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2,370 articles · 50+ sources

Energy efficiency news.

Rebate updates, policy changes, and technology developments — aggregated from 50+ sources, AI-enriched, and scored for relevance.

case study CT Aug 11, 2026 31

Connecticut elementary school strives for environmental stewardship with solar project

Andover Elementary School in Andover, Connecticut, just finished putting solar panels on its roof, working with Titan Energy and Greenskies Clean Energy. The district didn't pay for the system upfront. Instead, Greenskies developed, financed, owns, and maintains the panels through a long-term power purchase agreement, meaning the school buys the electricity the panels produce, typically at a steadier or lower rate than the utility grid, without having to cover installation costs or handle upkeep. Alongside the solar project, Andover's Board of Education approved more energy-efficiency work through incentive programs from Eversource, the local utility. That includes LED lighting upgrades and other building improvements meant to cut energy use and costs over time. There's no direct action here for homeowners, but the arrangement is worth knowing about because it mirrors options some utilities and solar companies offer to households: a third party owns and maintains the solar system while you pay for the power it generates, often with no money down. If you're weighing solar for your own home, it can be worth asking installers whether a similar power purchase agreement is available in your area, and separately checking what efficiency incentives your utility offers for upgrades like lighting or insulation, since programs like Eversource's vary by state and by provider.

Solar Power World
industry Aug 11, 2026 30

The campaign that kick-started the net zero movement is shifting focus

A United Nations-backed campaign called Race to Zero, which pushed thousands of large companies to commit to zero carbon emissions, is winding down. Launched in 2020, it got close to 1,000 major companies, including Nestlé, Adobe, and Diageo, to pledge reaching net zero emissions by 2050, publish plans, and set shorter-term targets. Within a couple years, that number grew to 7,000 companies. The campaign is now being folded into a broader U.N. effort called the Global Climate Action Agenda, which will focus on turning those years of pledges into actual results over the next several years. A new group, the Net Zero Activation Group, is set to launch this month to lead that next phase. Supporters say Race to Zero succeeded in pushing loose company promises into more formal, detailed standards, including one from the Science Based Targets initiative that was updated this past June, plus a related standard in development by the International Organization for Standardization. Critics, though, said the campaign leaned too heavily on corporate input and not enough on outside groups, and pointed to a 2022 dispute over coal financing rules as an example of the campaign softening its stance under pressure from banks. This is a shift in how corporate climate pledges get tracked and enforced, not a change to any homeowner program or rebate. It does not affect current tax credits, weatherization funding, or state energy rebate rules available to homeowners.

Trellis (formerly GreenBiz)
industry Aug 11, 2026 30

AI Data Centers Are A Regional US Grid Issue, Not A Global Power Crisis

AI is driving a real jump in electricity use, but the numbers look different depending on whether you're looking at the whole world or just the United States. Globally, all data centers used about 1.5% of the world's electricity in 2024, and even under a strong growth forecast from the International Energy Agency, that only rises to just under 3% by 2030. That is not the runaway global power crisis some headlines suggest. The US is a different story. The country already accounts for roughly 45% of the world's data-center electricity use, and one research estimate (from Berkeley Lab) puts data centers at nearly 12% of US electricity consumption by 2030, if current trends hold. More importantly, this demand is not spread evenly. It's clustered in specific regions where clusters of large AI facilities are straining a limited number of substations and transmission lines. That regional concentration matters more for grid planning than the national percentage does, since utilities in those areas may need new transmission and equipment with long lead times. For homeowners, this is mostly background context rather than something requiring immediate action. It helps explain why some utilities, especially in regions with heavy data-center buildout, are talking about rising costs or grid upgrades tied to AI demand rather than to homes and businesses generally. Whether that translates into higher electricity rates or infrastructure charges in your area would depend on your specific utility and region, which is worth watching if you live near a data-center hub.

CleanTechnica
technology Aug 11, 2026 29

Organic Flow Batteries Get Another Shot At Long Duration Energy Storage

Battery researchers are pushing a decades-old idea back into the spotlight: flow batteries, which store energy in liquid tanks rather than solid cells like the lithium-ion batteries in most home solar setups. The appeal is duration. Lithium-ion batteries typically run for only a few hours, but the U.S. Department of Energy says the grid needs storage that lasts 10 hours or more to handle a future with more wind and solar power. Flow batteries can be built with tanks and pumps rather than scarce battery materials, and some versions skip toxic or flammable ingredients altogether. The latest push involves "organic" flow batteries, which use carbon-based molecules instead of metals. A California company called Quino Energy is building a water-based version using natural molecules called quinones, recently landing a grant to help power a microgrid in the Maldives. A Massachusetts company, XL Batteries, has patented its own chemistry and claims a lifespan of more than 20 years at low cost. It has run a pilot project in Houston and signed a deal to supply storage for data centers, with systems planned for 2027, 2028, and 2029. None of this is a product homeowners can buy yet. These are utility- and data-center-scale projects, not systems sized for a house. But the technology matters for the broader grid: more long-duration storage means more room for solar and wind power to reliably replace fossil fuel generation, which shapes electricity rates and availability over time.

CleanTechnica
industry CO Aug 11, 2026 28

For the 3D-Printing Industry, Standardization Is the Future

3D-printed home construction is still a young industry, and right now different companies build homes in different, incompatible ways. Texas-based ICON, a leader in 3D-printed housing, uses its own proprietary printing material and robotic printer as a closed system, with its own catalog and design competitions. That approach has made ICON well known, but it also means the company's methods don't necessarily line up with what other builders in the field are doing. Colorado-based RIC Robotics is pushing in the opposite direction. Its CEO, Ryan Cox, wants the industry to adopt shared standards so the printing process and equipment work the same way across companies, rather than each builder using its own proprietary system. The idea echoes earlier moments in industrial history, like the 1920s push, led by then-Commerce Secretary Herbert Hoover, to standardize measurements and parts (including the 60-degree screw thread that became the U.S. norm in 1924). Standard specs made it easier for different manufacturers and builders to work together and for technology to spread widely. For homeowners, this is mostly background on where 3D-printed home construction is headed rather than something with immediate bearing on your house. If the industry does settle on shared standards the way conventional building materials have, it could eventually make 3D-printed homes more widely available and easier to compare between builders. For now, it remains a small, developing corner of home construction to watch rather than an option most homeowners will encounter for a renovation or new build in the near term.

Green Building Advisor
industry Aug 11, 2026 28

Trump’s war on offshore wind is robbing a generation of workers

The Trump administration has halted permitting for new offshore wind projects and canceled 12 leases over the past year and a half, unraveling an industry that thousands of construction workers had trained for. Workers describe losing steady, high-paying jobs — some earning double or triple onshore wages while living on ships for weeks at a time — and having to return to lower-paying land-based construction work. A federal grant cancellation also killed plans for a wind terminal in Salem, Massachusetts, that was expected to support hundreds of jobs, and a planned cable-manufacturing plant near New Bedford was abandoned. Market forecasts have shrunk sharply: analysts at BloombergNEF cut their 2035 offshore wind projection from 39 gigawatts (enough to power 13 million homes) down to just 6 gigawatts. Only five major U.S. offshore wind farms still appear on track, and those are nearing completion, meaning even those remaining construction jobs will soon end. Unions that spent millions training workers for what they expected to be a decade-plus of steady offshore work say that pipeline has largely dried up. For homeowners, this doesn't change any current rebate or incentive programs directly, but it's a sign of the broader pullback in federal support for offshore wind and renewable energy under the current administration. If your area was counting on offshore wind for local jobs, manufacturing, or future electricity supply, those plans are now largely on hold or canceled, with no clear timeline for when — or whether — they might restart.

Canary Media
industry IN Aug 11, 2026 28

GM exits $3.5B Indiana battery plant as Samsung SDI takes full control

Samsung SDI is taking full ownership of a battery plant in New Carlisle, Indiana, buying out General Motors' stake in what had been a joint venture. GM and Samsung SDI announced the $3.5 billion plant in 2023, planning to build nickel-rich battery cells for electric vehicles starting in 2027. Samsung SDI says it's making the change because EV demand has grown more slowly than expected. The purchase price wasn't disclosed, and GM's shares fell about 4.5 percent after the news. GM isn't walking away entirely. The two companies signed a separate deal to keep developing next-generation batteries together, and GM will still buy cells from the plant. But GM no longer owns any part of the factory. Samsung SDI now plans to add a line for energy storage system (ESS) batteries — the kind used to store power on the electric grid or at facilities like data centers, rather than in cars. That's a sign the company sees more near-term demand in grid and storage batteries than in EVs. The bigger backdrop is the end of the federal EV tax credit, which expired on September 30, 2025. Since then, automakers including GM have pulled back on EV production plans. GM already took a roughly $6 billion charge tied to slower EV plans, and its other battery venture with LG Energy Solution has been idling production and recalling workers. This move doesn't change anything for homeowners directly, but it reflects a broader slowdown in EV demand following the credit's end.

Electrek
policy CA Aug 11, 2026 28

What Are Nature-Based Solutions and Why Are They Needed Now?

This is a broader look at "nature-based solutions" — approaches to flooding, drought, and heat that work with natural systems instead of concrete and pipes. The Los Angeles River is the example: most of it was paved into a concrete channel decades ago to move stormwater fast, but a few stretches couldn't be lined and grew back naturally, bringing wildlife, cleaner water, and neighborhood green space along with flood control. A restoration project is now extending that approach along more of the river. The bigger point is about cost and climate. Extreme swings between drought and heavy rain are becoming more common, and traditional gray infrastructure — dams, levees, storm drains — is expensive and can't easily adapt. Money spent preventing floods, fires, and drought damage ahead of time costs far less than paying for disaster relief afterward, and those costs fall hardest on communities with the least infrastructure. In California's farm regions, this connects to efforts to convert some irrigated farmland to other uses to meet groundwater rules, using techniques like floodplain restoration and aquifer recharge that can also reduce dust, flooding, and extreme heat nearby. California's Proposition 4 climate bond includes funding for this kind of work. There's no direct step for homeowners here — this is about state and regional infrastructure and agricultural land policy, not home upgrades. But it's useful background if you live near a waterway, in a flood-prone area, or in a farming region, since these projects can affect local flood risk, green space, and water costs over time.

Union of Concerned Scientists
industry NC Aug 11, 2026 26

Floods can leave communities facing higher overdose deaths for years

A new study points to a lasting health cost of flooding that has nothing to do with structural damage or rebuilding costs. Researchers at Pennsylvania State University looked at 118 rural Appalachian counties hit by major floods between 2000 and 2017 and compared them to 101 counties that weren't flooded. They found overdose deaths rose in the years after a flood and stayed elevated for at least a decade, with annual overdose deaths up about 28 percent and overdose death rates up 26 percent compared with the year before the flood. The effect was strongest in lower-income, economically distressed counties. The reasons trace back to disruption. Floods can shut down clinics, interrupt treatments like methadone, and force people into unstable housing for years, not months. Losing a stable home, a job, or reliable food access raises the risk of relapse and overdose. In western North Carolina, harm reduction workers say they're still seeing overdose spikes tied to Hurricane Helene, nearly two years after the storm, as people remain in "temporary" trailers that have become permanent. For homeowners in flood-prone areas, this is a reminder that a flood's damage doesn't end when the water recedes or the repairs are finished. Long-term housing instability and disrupted local services are health risks in their own right, especially in smaller, lower-income communities where recovery resources are limited and stretched thin for years afterward.

Grist
industry TX Aug 11, 2026 26

SEG completes construction on 4-GW solar panel factory outside Houston

SEG Solar has finished building a new solar panel factory in Tomball, Texas, just outside Houston. The $200 million facility spans more than 500,000 square feet and can produce 4 gigawatts of panels a year, making it one of the largest factories in the country for a panel type called HJT (heterojunction technology), which layers different silicon materials to boost efficiency. Commercial production is expected to start in the third quarter of this year. This is SEG's second U.S. panel plant, adding to a 2-gigawatt factory it already runs nearby in Houston, and the company is also building a third facility in the area. The new plant will make SEG's latest SIERRA N series panels, which use large 210-mm and 210R silicon wafers along with specialized manufacturing steps meant to improve panel durability and performance. SEG is also considering building a facility to make silicon solar cells domestically, which would let the company handle more of the panel-making process in the U.S. rather than relying on imported components. For homeowners, this kind of news doesn't change anything about your house directly, but it points to more U.S.-made solar panels becoming available. As American manufacturing capacity grows, it can affect panel supply, pricing, and how easy it is to find panels that qualify for programs requiring domestic content. If you're weighing a solar installation, it may be worth asking installers whether U.S.-manufactured panels, including HJT models like these, are an option for your project and what that means for cost or incentives in your state.

Solar Power World
industry TX Aug 11, 2026 26

Tesla files for $10.1B ‘Project Crystal Sun’ solar factory in Texas

Tesla has filed for tax breaks on a proposed $10.1 billion solar cell factory in Fort Bend County, Texas, near Richmond, southwest of Houston. The filing describes a massive, fully integrated plant that would turn raw polysilicon into finished solar cells and modules on one site, something almost no US solar manufacturer does today (most just assemble imported cells). Tesla says the plant would eventually employ nearly 9,700 people and start commercial production in early 2029, spending on the project through 2026 to 2028. For homeowners, this isn't something that changes your options right now. It's an early-stage filing for a 10-year property tax break under a Texas incentive program, and Tesla says it's also weighing other states and might build elsewhere if it doesn't get favorable terms. So treat the numbers as a negotiating position, not a done deal. Tesla has also made similarly bold solar manufacturing promises before, including a Buffalo factory years ago that fell well short of its goals. If it does get built as described, it could eventually mean more solar panels manufactured domestically start to finish, rather than assembled from imported parts. That could matter over time for panel supply, pricing, or "made in USA" options when homeowners shop for rooftop solar. But that's years away, tied to incentives not yet approved, and far from guaranteed.

Electrek
industry Aug 11, 2026 24

Caterpillar sales surpass $20B as generators for data centers take off

Caterpillar just posted record sales of $20.5 billion for the second quarter, and a big driver was demand for power generators used at data centers. Sales of that generator equipment jumped 72% compared to last year, as tech companies keep building out the massive computing facilities that run artificial intelligence. To keep up, Caterpillar is restarting production of a large gas-powered generator engine it had stopped making back in 2022. This might seem far removed from your own home, but it points to a bigger trend worth knowing about: the surge in data center construction across the country is driving up demand for electricity, and much of that new demand is being met with gas generators and turbines rather than cleaner sources. Utilities and grid operators are increasingly focused on where all this extra power will come from, and that can affect electricity costs and grid reliability in the areas where these data centers are built. There's no direct action for homeowners here — this is a corporate earnings story about equipment manufacturing, not a rebate or incentive program. But if you live near a region where data centers are expanding, it's worth paying attention to how your local utility plans to supply that added power, since it can shape electricity rates and grid capacity in your area over time.

Utility Dive
industry Aug 11, 2026 24

Can the advanced geothermal industry follow in Fervo’s wake?

This is industry news about the growing "advanced geothermal" sector, which covers newer ways of tapping underground heat for power beyond traditional geothermal plants. Fervo, the leading company in this space, went public in May through a $6.5-billion IPO, and at least 14 other startups are watching to see how it performs before deciding on their own next moves. XGS, a Texas-based company, is reportedly considering its own public offering. The main driver behind this activity is demand for steady, always-on clean power to run data centers, especially those tied to artificial intelligence. One estimate suggests advanced geothermal could eventually supply more than half of the growth in U.S. data center power needs over the next decade, and companies like Google and Meta have shown interest. Still, geothermal lags behind advanced nuclear in terms of announced projects, partly because the best geothermal sites are concentrated in the West, while much of the new data center growth is happening in the Southeast, Midwest, and Texas. One recent deal shows this can align: XGS signed an agreement to deliver power to the New Mexico grid to support a Meta data center there. For homeowners, this news doesn't point to any new program, rebate, or technology available for home use. It reflects utility-scale power development aimed at large industrial customers, not residential heating or cooling systems. There's no direct effect on home energy upgrades or costs from this development at this time.

Latitude Media
case study NC Aug 11, 2026 24

Ask An Electric School Bus Driver: Cleaner Air, Better Handling, Reduced Running Costs

A school bus driver in Winston-Salem, North Carolina, is sharing what it's actually like to drive electric after 25 years behind the wheel of diesel buses. Charles Choyce, who drives for the Arts Based School, says the switch has made a real difference: no more diesel fumes making kids complain of headaches, easier steering that's lighter on his arms after a full day, and a quieter ride that makes it easier to hear students. He also likes regenerative braking, where the bus slows on its own when he lifts off the accelerator, as an added safety feature. On the practical side, Choyce says the electric bus is predictable to plan around. He starts each day at full charge, drives roughly 60 miles on a typical school route, and can stretch to about 110 miles on field-trip days. A full charge lasts about 150 miles, and charging takes three to four hours at the school's depot. He also says maintenance has been minimal: after three years, the bus hasn't needed new tires or major repairs, unlike diesel buses he's driven in the past that broke down often and needed frequent part replacements. None of this is a program homeowners can sign up for, but it offers a real-world look at how electric vehicles perform in daily, high-mileage use. Choyce himself says he'd want an electric vehicle at home too, given rising gas prices, if he had an easy way to install a charger.

Southern Alliance for Clean Energy (SACE)
industry Aug 11, 2026 23

Steady Progress Reshapes Australia’s Energy Market — July 2026 Update

Australia's electricity market kept shifting toward renewables in the second quarter of 2026, according to the latest figures from the Australian Energy Market Operator. Wind, grid-scale solar, and rooftop solar together grew 37% year on year, while coal generation fell 5% and gas fell 30% — both hitting their lowest quarterly levels since 2003. That extra renewable supply, plus a fast-growing fleet of home and grid batteries, pushed wholesale electricity prices to their lowest point since 2020. Household battery capacity rose 41% over the year, and grid-scale battery capacity more than doubled. Rooftop solar installations were also up sharply, with nearly 340 megawatts added in July alone, often paired with a home battery. None of this has yet translated into lower bills for households — those wholesale savings haven't been passed on to customers yet. Some analysts also doubt Australia will hit its 82% renewable-energy target by 2030, pointing to delays connecting new projects to the grid and permitting holdups. Meanwhile new pressures are building: aging coal plants are breaking down more often, and a wave of planned data centers could demand as much extra electricity as one of Australia's larger states uses today. For homeowners, the takeaway is mostly about direction rather than immediate savings: solar and battery adoption keep climbing, and coal keeps losing ground, but wholesale price drops haven't shown up on power bills yet. If you're in Australia and considering solar or a battery, it's worth checking whether your state's rebates or incentives have changed alongside this shift.

CleanTechnica
technology Aug 11, 2026 23

Oil giant rips out gas pumps for BYD’s 1,500 kW EV chargers

In Shanghai, China's largest fuel retailer, Sinopec, pulled the gas pumps and underground fuel tanks out of one of its stations and replaced them with EV chargers built by automaker BYD. The site now runs six of BYD's "T"-shaped fast chargers, laid out where the pumps used to be, offering 12 charging spots. BYD rates these chargers at up to 1,500 kilowatts on a compatible car, fast enough to go from 10 to 70 percent charge in about five minutes. The trick is that the chargers don't pull that much power straight from the electric grid, which would normally require a costly substation-level connection. Instead, each charger is backed by battery packs that store power gradually and then release it in a fast burst to the car. The station only draws about 100 kW from the grid to keep those batteries topped off. This is the first site built under a broader partnership Sinopec and BYD signed in June, and Sinopec says it plans similar conversions at other stations. Sinopec operates more than 30,000 fuel stations in China, so the approach could scale quickly. None of this changes what's available at a US home right now, since the 1,500 kW charging speed only works with cars built for it, and none of those are sold outside China yet. For home EV charging in the US, standard equipment and charging speeds are unaffected by this news.

Electrek
policy CA Aug 11, 2026 23

¿Qué son las soluciones basadas en la naturaleza y por qué hacen falta?

This is a story about California policy, not a home upgrade you can act on directly, but it touches on how the state handles flooding and water — things that affect property in flood-prone or drought-affected areas. The piece looks at the Los Angeles River as an example of a "nature-based solution" — an alternative to concrete flood channels and dams. Where the river's concrete lining was never finished, willows and cottonwoods grew back, along with herons, egrets, and an endangered fish. Those natural stretches do more than one job at once: they control floods, cool nearby neighborhoods, clean water, and give people parks and trails, at lower cost than concrete infrastructure. Concrete channels, by contrast, do one thing only, at a high price, and don't adapt well as climate swings between drought and heavy rain become more common. The same thinking applies to farmland in California's Central Valley. State groundwater law now requires local agencies to manage water sustainably, which may mean retiring roughly a million acres of irrigated farmland statewide. Nature-based approaches — recharging aquifers, restoring floodplains, adopting sustainable farming practices — could help that land transition while also cutting flood risk, dust, and heat, and creating local jobs. None of this requires action from a homeowner right now. But California's Proposition 4, a climate bond, is set to direct billions of dollars toward this kind of climate resilience and land-use work, so more of it may show up in local flood and water projects in the coming years.

Union of Concerned Scientists
industry Aug 11, 2026 23

Evergy has 3 GW of large loads signed and a 5-GW generation pipeline

Evergy, the utility serving parts of Kansas and Missouri, says it now has 3 gigawatts of large data-center and industrial customers signed up to draw power from its grid, with another 1 to 2 gigawatts in advanced talks. To keep up, the company plans to add more than 5 gigawatts of new power generation by 2032, mostly natural gas (3.9 GW), plus around 800 megawatts of solar and 450 megawatts of battery storage. Evergy's current total generating capacity is about 15.8 gigawatts, so this is a significant buildout. For homeowners in Evergy's service area, this matters because building all that new generation costs money, and utilities typically recover those costs through customer rates. Evergy's current five-year spending plan is $21.6 billion, but executives said serving the new large customers beyond the 3 gigawatts already signed will likely require additional spending on top of that. The company estimated its pending generation plans could add about $1 billion more in costs. Evergy also reported electricity demand grew nearly 2% over the past year, driven largely by data centers ramping up. None of this changes rebates or incentives available to homeowners right now, but rising demand and new power-plant construction in a utility's territory can eventually show up in electricity rates. If you're in Evergy territory and weighing an upgrade like a heat pump or better insulation, it may be worth keeping an eye on how these large-load costs get shared with residential customers over time.

Utility Dive
case study CA Aug 11, 2026 19

A new type of levee is taking root in Northern California

A new kind of flood barrier is growing along the San Francisco Bay shoreline in Palo Alto. Instead of a steep, rocky wall, this "horizontal levee" (also called a living levee) uses a long, gentle slope planted with more than 35 native species. Waves break on the vegetation the way they would on a beach, rather than crashing against rock or concrete. It's part of a wider trend around the Bay Area, following an earlier project near Hayward, with about a dozen similar levees now in planning or construction. The Palo Alto project has an added feature: it's connected to the city's wastewater treatment plant. Treated water flows through the levee to irrigate the plants, which filter out nitrogen before the water reaches the Bay, giving a small water-quality boost. The habitat is also meant to help the salt-marsh harvest mouse, an endangered species that depends on shoreline vegetation to escape rising tides. Researchers plan to study the site for five years, tracking things like wildlife activity and water quality, to help decide whether these greener, more expensive levees are worth building elsewhere. This particular levee is just 500 feet long and won't fully protect the area from flooding on its own — plumbing delays mean it isn't even fully running yet. But it points to a broader shift in how the region plans for rising water. Sea level in the Bay Area is projected to rise 3 to 6 feet by 2100, and this project is one small, visible piece of the effort to prepare for that.

Grist
technology Aug 11, 2026 19

The 2027 Audi Q6 e-tron delivers more driving range than expected

This story is about a new electric vehicle, not a home energy upgrade, but it may interest anyone weighing an EV alongside home charging plans. The 2027 Audi Q6 e-tron carries an EPA-estimated range of up to 301 miles. In independent real-world testing by Edmunds, it actually went 337 miles on a single charge, about 12% further than its official rating, and used less energy than expected too. For comparison, two rivals still beat it in that same real-world test: the 2026 BMW iX xDrive went 338 miles and the Cadillac Optiq went 339 miles. But the Q6 e-tron outperformed the 2025 Porsche Macan 4S (323 miles) and Macan Turbo (301 miles). The Audi also costs less, starting at $64,500, compared with $89,900 for the Macan 4S and $84,600 for the Macan Turbo. If you're thinking about pairing a new EV with home charging, the extra real-world range means fewer charging stops and more flexibility for daily driving between charges. The Q6 e-tron also got some updates for 2027, including a new infotainment system, the return of physical buttons, and improved regenerative braking, which likely helped its efficiency. It's roughly the same size as the BMW iX3 and Porsche Macan EV, so it fits into the same midsize luxury SUV category if you're cross-shopping electric options for your household.

Electrek
industry Aug 11, 2026 18

Designing dual-use solar projects for maximum impact

Large solar farms are increasingly sharing land with farming and grazing, an approach called agrivoltaics or dual-use solar. Instead of clearing land for panels alone, developers are planting pollinator-friendly flowers and meadow grass underneath arrays, growing crops between rows, or letting sheep and cattle graze the site. The U.S. Department of Energy now tracks 670 of these dual-use sites nationwide. The main appeal for landowners is extra income and better land use. Farmers leasing land for solar often use ground that was already hard to farm, and a 2026 industry study found utility-scale solar takes up only 0.07% of prime U.S. farmland, far less than suburban development or golf courses. The shade and shelter from panels can also help crops retain moisture and protect livestock from heat, which may matter more as extreme weather increases. Grazing sheep or cattle under panels can even replace costly mowing, especially on hilly land. Building these dual-use sites does take extra planning. Projects with crops need irrigation lines mapped carefully and wider spacing between rows of panels. Sites with grazing animals need sturdy fencing, and cattle sites need taller panel supports so the animals can move safely underneath. None of this changes how home solar or rooftop systems work, but it does show a broader shift: solar developers are treating land as something to share with agriculture rather than replace, which could shape how much farmland near you ends up hosting solar arrays in the future.

PV Magazine USA
case study TX Aug 11, 2026 16

Fly into Houston and see this unique solar carport design

A polymer manufacturer in Cypress, Texas, has put a large solar system to work covering about 30% of its total energy use. The 1.3-megawatt system, built by Spear Commercial & Industrial with panels from Trinasolar, spans both the company's roof and a solar carport (a parking structure with panels on top that shades cars while generating power). The carport panels are arranged to spell out the company's name, "Drake," visible from planes approaching Houston's George Bush Intercontinental Airport. The system has been running for eight months. During the day, it typically produces about 120% of the company's afternoon power needs, which is when the business uses the most electricity and when the power grid overall faces its highest demand. That timing matters because feeding extra power back to the grid during peak hours is more valuable than doing so at other times. The company expects the system to pay for itself in under four years and to earn a return of nearly 20%. This is a commercial project, not a residential one, so there's no direct step for homeowners to take here. But it's a real-world example of how solar carports and rooftop systems can be sized to offset a big chunk of a property's energy use while also cutting demand during the hours when the grid is most stressed — the same basic principle that applies to home solar setups, just at a much larger scale.

Solar Power World
industry Aug 11, 2026 16

Kia EV3 EPA driving range revealed with up to 321 miles

Kia's compact electric SUV, the EV3, is close to going on sale in the US, and the EPA has now released official range numbers ahead of launch. The standard-range front-wheel-drive model, with a 58.3 kWh battery, gets 221 miles per charge. The long-range front-wheel-drive version, with an 81.4 kWh battery, gets up to 321 miles. An all-wheel-drive version using the same larger battery is rated at 280 miles. These figures are close to what Kia had already estimated. For homeowners thinking about EV charging at home, a few details stand out. Kia says the standard-battery EV3 can fast-charge from 10% to 80% in 29 minutes on a DC fast charger. All North American EV3 models come with a built-in NACS charging port, the same plug Tesla uses, so drivers can charge at Tesla Superchargers without needing an adapter. That matters if you're weighing home charging equipment or thinking about which public charging networks you'd rely on. Kia hasn't announced pricing yet, but the EV3 is expected to start around $35,000, positioning it as an affordable option compared to some other EVs, and slightly larger than the Chevy Bolt EV and Nissan LEAF. If you're considering an EV purchase alongside home upgrades like a charger installation, this is one more affordable model entering the US market soon, though exact pricing and any rebates or incentives tied to it haven't been confirmed yet.

Electrek
industry Aug 11, 2026 12

Canada’s wildfire season is taking a heavy toll on First Nations

This is a news item outside our usual focus on home energy upgrades, but here is a plain summary. Canada's wildfire season has hit First Nations communities hard this summer. As of early August, 601 wildfires were burning nationwide, with 113 classified as out of control. The fires have affected at least 81 First Nations and forced more than 9,100 people from their homes since April, with over 2,500 still displaced. In British Columbia, the Bradley Creek wildfire destroyed more than 30 homes belonging to Okanagan Indian Band members and about 200 other structures near Vernon. The band's chief said its firefighters lacked proper wildland firefighting equipment, having only a truck built for structural fires rather than rough terrain. In Ontario, a fast-moving fire devastated Namaygoosisagagun First Nation, and questions have arisen over whether the community will get federal rebuilding help since it isn't formally recognized as a First Nation. At least 12 First Nations in Ontario have been fully or partially evacuated, prompting a call for a public inquiry into the province's response. Other communities have raised concerns about emergency alerts not being provided in Indigenous languages, delays in getting information about changing fire risks, and disputes over who decides when it's safe to return home. In one case, a community objected when the government lifted evacuation orders while large fires still burned nearby, threatening the only road out. This story concerns wildfire response and recovery for Indigenous communities in Canada, not home energy upgrades or rebates, so there's no direct action for homeowners here.

Grist
industry Aug 11, 2026 10

Schneider Electric Canada Strengthens Commercial Leadership to Help Customers Navigate the New Energy Landscape

Schneider Electric Canada, a company that makes energy and building technology, has promoted two executives to expanded leadership roles. Shaun MacGarvie is now Vice President of National Sales, combining the company's contractor, end-user, and channel sales teams into one national group. Sophie Chadefaud is now Vice President of Marketing, with a broader role covering marketing, partner relationships, sales support, and online sales. The company says these changes are meant to help it work more closely with customers on energy management, upgrading infrastructure, cutting carbon emissions, and adopting digital tools. Schneider Electric's president in Canada, Emily Heitman, said the moves are meant to help the company deliver expertise and support to customers working through energy and business changes. This is a corporate leadership announcement, not a new program, rebate, or product. Schneider Electric primarily serves businesses, contractors, and large facilities rather than individual homeowners directly, so this reorganization does not create any new savings, incentives, or equipment options for your house. If you're planning an energy upgrade — such as a heat pump, better insulation, or electrical panel work — this news doesn't change your options or eligibility for any rebate program. It's worth knowing mainly as background on how one large energy technology supplier is restructuring its Canadian sales and marketing operations.

CleanTechnica
industry Aug 11, 2026 5

ACMobility Sets Up Chargers Supporting Public Transport

In the Philippines, ACMobility is expanding electric vehicle charging stations to support public transportation, working with Basic Energy Corporation and Grab Philippines. The company is building charging hubs along major roads to keep electric buses, taxis, and ride-hailing cars running, and it's rolling out a digital system called ChargeFleet that lets Grab drivers charge up during shift changes without using physical payment cards. The charging stations, built with Basic Energy, will sit along busy commuter routes including the South Luzon Expressway, EDSA, and several sites in Quezon City, Pasay, Mandaluyong, Cainta, and Marikina, adding to existing locations on the North Luzon Expressway and in Alabang. Some sites will offer fast direct-current charging alongside standard alternating-current units. Separately, a program called Iwas Taas Pamasahe lets local bus operators switch to electric buses with no upfront cost, with full ownership transferring after five years. This is infrastructure and fleet news rather than something that changes what's available to individual homeowners. It does not involve home charging equipment, rebates, or upgrades you'd install at your house. If you drive an EV in the Philippines, it may mean more charging options along common routes over time, and if you use Grab's electric taxi or ride-hailing service, the company is working to make those vehicles easier to keep charged and on the road.

CleanTechnica
industry Aug 11, 2026 4

China sales numbers are in: EVs up while everything with an engine collapses

New sales figures out of China show a clear split: battery-electric cars keep growing while every type of vehicle with a gas engine is falling fast. In July, fully electric car sales rose 6% from a year earlier, while plain gas car sales dropped 44%. Plug-in hybrids and range-extended electric vehicles (cars with a battery and motor plus a small gas engine that helps power them) also fell, dragging down the combined total for all plug-in vehicles even though pure electric cars alone are doing well. Gas-only cars now make up a shrinking share of a shrinking market, while electric cars set a record 65% share of retail sales in China. The bigger picture: as gas and oil prices have swung higher this year, more buyers in China and elsewhere are choosing electric cars instead. China's electric vehicle exports jumped nearly 148% in July compared with the year before, meaning more of these cars are headed to other countries, adding to a broader global rise in electric vehicle sales. For a homeowner, none of this changes anything directly about your house today, but it's a sign of where car buying is heading. If you're weighing whether to add an electric vehicle charger at home or pair one with rooftop solar down the road, this trend suggests electric vehicles are becoming a bigger part of the market, not a smaller one, and battery costs and charging options are likely to keep improving as scale increases.

Electrek
industry Aug 11, 2026 3

Hyundai launches the range-topping IONIQ 9 Calligraphy Black Ink in the UK and Europe

This news is about a new vehicle trim, not a home energy upgrade, so it doesn't affect your house or any rebate program. Still, here's what happened: Hyundai is rolling out a new top-of-the-line version of its electric IONIQ 9 SUV, called the Calligraphy Black Ink, in the UK and Europe. It sits above the current Calligraphy trim as the new flagship model. The Black Ink version is mostly about looks and price, not new technology. It uses the same dual-motor all-wheel-drive setup and 110-kWh battery as the existing Calligraphy trim, putting out 422 horsepower and a rated range of up to 372 miles. What's different is styling: a blacked-out Hyundai emblem, new 21-inch wheels, a gloss black rear trim piece, and an all-black leather interior. In the UK and Europe it comes in black or white paint; in the US it will only be sold in black. Pricing starts at £79,320 (about $107,000) in the UK and €89,950 (about $104,000) in Germany. Hyundai has not announced a US price yet, but based on the cost of the current top Calligraphy trim, the US version is expected to run around $85,000 when it arrives. None of this involves home electrification incentives, EV chargers, or utility rebates — it's simply a new luxury trim for an existing electric SUV.

Electrek
industry Aug 11, 2026 1

2027 BYD Seal 06 Comes with Lidar

This is a car news item, not a home energy upgrade story, but here's what happened. BYD, the Chinese automaker, is launching an updated 2027 version of its Seal 06 electric car. The new model adds lidar (a sensor that helps a car's driver-assist system detect objects around it) built into the roof and windshield area, along with an upgraded driver-assist system called God's Eye B. The current 2026 version, by comparison, uses a simpler system called God's Eye C and has no lidar. The updated car also gets more power, with output rising from a range of 110 to 160 kilowatts up to 120 to 240 kilowatts. It comes in both a fully electric version and a plug-in hybrid version. The 2026 model sells for 109,800 yuan, or about $16,273, though pricing for the new 2027 version has not been confirmed. BYD sold more than half a million units of the Seal 06 last year in China. For homeowners, this is not directly relevant to insulation, heat pumps, or home electrification rebates. It is simply a look at how quickly Chinese electric vehicle makers are adding advanced sensors and boosting power in mass-market cars. If you are weighing an EV purchase alongside home energy upgrades like a heat pump or an EV charger install, it is a reminder that vehicle technology and pricing in this segment are moving fast, though this particular model is not yet sold in the United States.

CleanTechnica
industry Aug 11, 2026 1

Ukraine debuts mine-resistant all-wheel drive combat electric motorcycle

This story is about military technology, not home upgrades, but here's what happened. Ukraine's Ministry of Defense has approved a new electric motorcycle called the MUL.E for battlefield use. It's an all-wheel-drive bike with two electric motors, built with wide, low-pressure tires that spread the vehicle's weight over a larger area. That design lowers ground pressure enough to reduce the risk of setting off pressure-triggered anti-tank mines, though the makers are clear it isn't "mineproof" and mixed minefields with anti-personnel mines remain dangerous for any vehicle. The bike runs on battery power, which makes it far quieter than a gas motorcycle, useful for scouting or moving supplies near front lines without being heard or spotted. Ukraine has already fielded electric two-wheelers for similar stealth work. The MUL.E gets about 62 miles of range per charge, but it also carries an onboard gas generator, so troops can recharge batteries with fuel instead of needing charging stations. That same generator lets the bike act as a portable power source for other field equipment. It can also tow cargo trailers over rough terrain that would stop larger trucks or jeeps. This fits a broader pattern of militaries, including the US and Canada, testing electric bikes for their quiet operation. There's nothing here that applies to home energy upgrades or rebates.

Electrek
industry Aug 11, 2026 0

Avatr 07L Launches in Big Segment

This is a car launch, not a home energy story, but here's what happened: the Chinese automaker Avatr, backed by Changan, CATL, and Huawei, has launched a new electric SUV called the 07L, priced from 219,900 yuan (about $32,590) for a limited time, with other trims running up to 279,900 yuan ($41,480). All versions use a 89.33 kWh battery from CATL and can charge very fast, going from 30% to 80% in under 10 minutes thanks to an 800-volt charging system. Range on the base and mid trims is rated at 725 kilometers (450 miles), while the faster Ultra trim gets 650 kilometers (404 miles) — though these are Chinese CLTC ratings, which tend to run higher than U.S. EPA estimates. Every version comes with Huawei's driver-assistance and cockpit software, with the higher trims getting more advanced sensors for automated driving features. For a homeowner thinking about home energy upgrades, this doesn't have direct bearing — the 07L is not sold in the U.S. and isn't tied to any rebate or incentive program here. It's worth knowing about mainly as a sign of how fast EV technology and fast-charging batteries are advancing in China, which can eventually shape what charging equipment and EV options show up in other markets, including for homeowners considering a home charger down the road.

CleanTechnica
industry Aug 11, 2026 0

Waymo CEO: Vision-Only Self-Driving Safety Curve Flattens “Way Too Early”

This is a story about self-driving cars, not home energy upgrades, so it has no direct bearing on your house or any rebate program. It's worth a quick note only because Retrofit Relay tracks broader tech and energy news. Waymo's co-CEO, Dmitri Dolgov, spoke recently about why the company builds its robotaxis with a mix of sensors rather than cameras alone. Waymo uses cameras, lidar (a sensor that measures distance using laser light to map the 3D shape of surroundings), and radar together. He argued that camera-only systems can match human driving but hit a safety ceiling too soon if the goal is a self-driving car that performs far better than a person. Cameras struggle in glare or darkness, he said, while lidar and radar keep working in poor light and bad weather like fog, rain, or snow, and radar can also directly measure how fast other objects are moving. The comments were widely read as a pointed contrast with Tesla, which relies on cameras alone for its "Full Self-Driving" system. Dolgov's argument is that more sensors mean more complexity and cost, but also a higher ceiling for safety performance over time. None of this changes anything about home electrification, insulation, heat pumps, or rebate programs. It's simply a look at how two companies are approaching self-driving technology differently, with no action needed on your part.

CleanTechnica
industry Aug 11, 2026 0

Burchda Y3 AWD — Powerful, Long-Range, All-Terrain Electric Bike

A new electric bike on the market, the Burchda Y3 AWD, is aimed at riders who want power and range for off-road use rather than commuting. It runs a dual-motor, all-wheel-drive setup that peaks at 5000 watts, hits a 40 mph top speed, and can climb steep 35-degree grades. A 52-volt, 30-amp-hour battery gives it up to 100 miles of pedal-assist range, and the battery pops out so you can carry it inside to charge instead of plugging in the whole bike. It has full suspension, hydraulic disc brakes, and 26-by-4-inch fat tires built for sand, snow, mud, and rough trails. The bike can carry up to 400 pounds, including racks or gear, and comes with an 800-lumen headlight and handlebar mirrors. It currently costs $1,199, includes a two-year warranty, and ships free within the United States. This is a product announcement, not a policy or rebate story, so there is no program or incentive tied to it. If you are weighing an e-bike purchase for trail riding, hunting trips, or other rough terrain rather than everyday street use, the specs here — power, range, tire size, and price — give you a concrete point of comparison against other e-bikes you might be considering. It does not affect any home energy upgrade or rebate program.

CleanTechnica
industry Aug 11, 2026 0

Tesla recall 20,000 Model 3/Y for headlights that are too bright

This is a car recall, not a home energy story, but here's the rundown if you or your household drives one of these cars. Tesla is recalling more than 20,000 Model 3 and Model Y vehicles because their low-beam headlights are too bright. The recall covers Model Y cars from 2020 to 2023 and Model 3 cars from 2017 to 2023, all with a specific headlight assembly supplied by Marelli Automotive Lighting. The federal brightness limit is 125 candela, and Tesla's headlights tested as bright as 230 candela. The problem has been known for a couple of years. A Canadian lab flagged the headlights as out of spec in 2023, and Tesla confirmed the issue itself. The company tried to limit the recall to a smaller group of cars and asked federal regulators to let it avoid a full recall, arguing the bright lights hadn't caused any accidents. Regulators denied that request in July, which led to this recall. Unlike many Tesla recalls that get fixed with a software update, this one appears to need a physical repair, meaning new headlight hardware and installation labor. Tesla notified its sales locations last week, and owners of affected vehicles will get a notice by mail by September 15. That notice will explain the next steps for getting the headlights replaced.

Electrek
industry Aug 11, 2026 0

Cadillac will hand-build a custom Escalade IQ for you, but it will cost an extra $55,000

This news is about a luxury vehicle option, not a home energy upgrade, so it doesn't affect your house or any rebate program. Still, here's what happened. Cadillac has launched a new customization program for its electric Escalade IQ SUV called "Curated by Cadillac." Buyers can work with a design concierge to pick from more than 160 exterior colors and finishes and up to 44 interior colors, creating a one-of-one vehicle. Each one is hand-built and hand-painted at Cadillac's Artisan Center in Warren, Michigan, and comes with a unique VIN and a serialized builder's badge. The catch is cost. The Curated package alone runs $54,995, on top of the vehicle's price. The Escalade IQ itself starts at $127,405, so a fully customized version lands around $182,400. The electric SUV runs on a 212 kWh battery pack (205 kWh usable) with an estimated range of up to 465 miles, and its dual-motor setup produces 750 horsepower with a 0-60 mph time of 4.7 seconds. It also includes GM's Super Cruise driver-assist system, with the 2028 model expected to be GM's first vehicle offering hands-off, eyes-off driving on highways. The custom Escalade IQ will be sold in the US and Canada for the 2027 model year, with deliveries starting in the second half of 2027. This is a high-end vehicle story, not an energy-efficiency or rebate program update, so there's nothing here that changes what's available for home upgrades.

Electrek
industry Aug 11, 2026 0

Anker SOLIX Mega Sale offers up to 48% power station discounts + one-day-only C1000X $399 off, AeroGarden, more

A batch of home battery and outdoor gear deals is out this week, worth a look if you have been thinking about backup power for outages. Anker has launched its SOLIX Fan Fest Mega Sale, with portable power stations discounted up to 48 percent, a bonus savings code, and a free power station thrown in on some orders, with prices starting at $190. Separately, Anker is running a one-day deal on its SOLIX C1000X, a 1,024Wh power station, for $480. Portable power stations like these store electricity you can draw on during a blackout, run appliances off-grid, or pair with solar panels. Bluetti has its own one-day deal on the AC50B, a smaller 488Wh power station, for $259 — a lower-capacity option if you just need to keep a few essentials running rather than power a whole house. Bluetti also has a broader "Emergency Backup Sale" running with several other power station discounts. Beyond backup power, there are a few home and yard deals worth noting. AeroGarden's Harvest XL indoor hydroponic garden system (a self-contained setup for growing plants indoors without soil) is down to $81, its lowest price yet. The ECOVACS Ultramarine P1, a cordless robot pool cleaner, has hit a new low price. And EGO's 21-inch Select Cut and Touch Drive mower, bundled with two 6.0Ah batteries, is seeing a discount. None of these come with fixed end dates mentioned, so if one fits a project you already have in mind, it is worth checking current pricing soon.

Electrek
industry Aug 11, 2026 0

Flock Cameras Spark Community Backlash

This isn't really an energy-upgrade story, but here's what's happening: a company called Flock Safety has installed more than 120,000 license plate reading cameras across the US, under contract with 40 percent of police departments. The cameras track passing vehicles and feed the data into a shared nationwide database, raising concerns about who can access records of where people drive and when. Pushback has grown in various places. Los Angeles and Dayton, Ohio suspended their Flock contracts over worries that immigration authorities could tap into the data. In Texas, where about 700 of the cameras operate, both progressive and conservative residents have pushed to have them removed. In some cities, including Houston, Oakland, and Grand Junction, Colorado, people have cut down, painted over, or disabled cameras themselves. A group called DeFlock lets people search for camera locations near them, and the ACLU has launched its own campaign opposing the system. A Texas congressman has introduced a bill that would require federal agencies to get a warrant before querying data from these local camera networks. None of this involves home energy upgrades, rebates, or efficiency programs. It's a privacy and surveillance debate about license plate cameras in public spaces, unrelated to weatherization, heat pumps, or utility incentives homeowners might be tracking.

CleanTechnica
policy Aug 10, 2026 79

Bill Seeks Changes to DOE Appliance Efficiency Program

A new bill in Congress could change how the government sets efficiency rules for furnaces, water heaters, and dozens of other household appliances. Sen. Mike Lee introduced the Energy Efficiency Reform Act of 2026 this month, aiming to overhaul the Department of Energy's Appliance Standards Program, which sets energy-use rules for about 60 household and commercial products under a law last updated in 2007. The bill would make several changes. It would lock in a "Process Rule" that governs how DOE decides whether new efficiency standards are practical and worth the cost, requiring DOE to finalize a version proposed in July 2026 within 270 days. It would also drop the current requirement that DOE review appliance standards every six years, though people could still petition for changes under stricter evidence rules. And it would add new steps DOE must follow before creating new "classes" of products, a process that can affect which features or fuel types are available to buy. The bill would also strengthen federal authority over states, blocking state laws that ban appliances based on fuel type or emissions, or that set their own standards when there is no current federal one. Supporters, including the American Gas Association, say the changes would keep options like natural gas furnaces and water heaters available and prevent efficiency rules from driving up costs. The bill has not become law yet, so nothing changes for homeowners immediately, but it could affect which appliances are sold and how efficiency standards are set in years ahead.

ACHR News
industry NC Aug 10, 2026 72

In North Carolina, rooftop solar is alive and well despite headwinds

Rooftop solar in North Carolina took a hit after last year's federal law eliminated the 30% tax credit for homeowners who buy panels outright. New installations dropped by two-thirds between late 2025 and early this year. But installers say business is picking back up, thanks to new ways of financing panels that don't depend on that lost credit. The big shift is leasing. Businesses can still claim a 30% tax credit for solar equipment through at least the end of next year, and companies that lease panels to homeowners (rather than sell them) can pass those savings along. Some installers now offer leases directly, while others partner with third-party leasing companies. The result: many homeowners can get solar with little or no money down and start saving on their electric bill right away. Adding battery storage can sweeten the deal further — Duke Energy customers who let the utility tap their home battery a few dozen times a year through programs called EnergyWise Home or Power Manager get a monthly payment, often around $50. Rising electric rates are also pushing more people toward solar, since Duke bills have climbed over 20% in five years, with more increases proposed. Leasing may not stick around if federal and state tax rules change, and Duke's credit for solar households' excess power is set to shrink again on January 1, 2027. Still, installers say demand is strong enough that they're seeing record sales despite the rockier market.

Canary Media
policy Aug 10, 2026 64

Congress Passes ROAD to Housing Act: What’s Needed Next for Climate-Resilient Homes?

Congress recently passed the 21st Century ROAD to Housing Act, the biggest federal housing package since 1990. It became law without President Trump's signature. The bill mainly aims to encourage more home building by changing federal housing programs and financing rules, but it also includes some pieces that touch on making homes sturdier against extreme weather: better standards for manufactured housing, expanded repair programs for homeowners and landlords, and faster disaster-recovery funding for lower-income communities over the next three years. For now, this is mostly a framework, not money in hand. The law didn't come with much new funding attached, so programs like expanded home repairs and heat-safety research still need Congress to approve actual dollars through the annual budget process. Separately, federal agencies — mainly the Department of Housing and Urban Development (HUD) — now have to write detailed rules spelling out how these programs will actually work, including new energy-efficiency standards for manufactured homes, which are set federally rather than by states. Those rules will shape how well new housing holds up to heat, storms, and flooding for years to come. One thing to watch: at the same time, the federal government is moving to repeal a flood-risk standard that required HUD-funded projects to be built for both today's and future flood risks. If that standard goes away, new federally backed homes in flood-prone areas could face higher risk. None of this changes existing rebate programs directly, but it may affect what protections and efficiency standards apply to new and manufactured homes built with federal support in the coming years.

Union of Concerned Scientists
technology Aug 10, 2026 64

Installing Flanged Windows – Part 5: Air-Sealing

This video walks through the inside finishing steps for installing a new window, once the outside work is done. The builder shims the window in place, then fills three sides of the gap with low-expansion spray foam, a foam that doesn't push the frame out of shape as it cures. He leaves a small gap between the shims and the back of the window's flange so foam can fill that space, which helps prevent condensation from forming inside the wall in cold weather. The shims themselves keep the window seated straight and give it something to push against when it opens and closes, so it keeps working smoothly over time. The bottom of the window gets different treatment. Instead of foam, he uses two layers of a foam cord called backer rod, then seals over it with caulk shaped like an hourglass around the rod, so it bonds to the window and the wall but not to itself in the middle, letting it flex without cracking. No foam goes in the sill because foam can trap water if the window ever leaks, while backer rod lets any water drain out instead of getting stuck. This kind of careful air-sealing around a window is what a blower-door test checks for afterward, a whole-house depressurization test that measures how much outside air is leaking in. Getting these details right at each window is part of what keeps a home's heating and cooling costs down and avoids moisture problems in the wall over time.

Fine Homebuilding
technology Aug 10, 2026 57

A. O. Smith Partners with Panasonic to Bring a CO2 Split HPWH to Market

A. O. Smith, one of the major US water heater makers, has released a new heat pump water heater called the Voltex X, built with Panasonic. Unlike most heat pump water heaters, where the compressor and tank sit together in one unit, this is a "split" system: the compressor sits outside the home and connects to an indoor tank through water lines. That design is aimed at homes that don't have room for a standard heat pump water heater, like apartments and mobile homes. The Voltex X uses CO2 as its refrigerant, which lets it work in cold weather down to -25 degrees Fahrenheit and heat water quickly without needing a backup electric heating element (a feature that normally makes these units less efficient when it kicks in). It comes in five tank sizes, including a smaller "low-boy" option for tight spaces, and can supply one home or apartment per unit. Installers surveyed for the story put pricing around $4,000 to $4,500, which is more than a typical standard heat pump water heater ($1,600 to $3,500) but in line with other split systems. If you're considering a heat pump water heater but don't have space for a standard tank-and-compressor unit, this adds another option to look into. Things to ask about if you go this route: how the outdoor water lines handle freezing weather, since that's still being tested, and the added electrical work, since the system needs both a 240-volt outdoor connection and a separate 120-volt line to the indoor tank.

CleanTechnica
case study Aug 10, 2026 57

Installing Flanged Windows – Part 2: Prepare the Rough Opening

This how-to video walks through the details that go into properly preparing a wall opening before a new window goes in, using an Andersen 400 Series window as the example. The builder cuts the opening in the wall sheathing, softens the sharp edges, and then focuses on two things that determine whether a window leaks over time: the air barrier and the water barrier. He ties the wall's air-sealing layer (in this case, Zip sheathing tape) across the opening so there's no gap once the window sits in place. For water, he builds what's called a sill pan, a shaped, watertight tray at the bottom of the opening that catches any water that gets past the window and directs it back outside instead of into the wall. He uses a strip of beveled wood to create a slight slope and a raised "back dam" at the inside edge, then covers it with a stretchy adhesive tape, pressing it firmly so the glue bonds completely. He notes the difference between a simple strip of tape (a sill flashing) and an actual sill pan with a back dam, which offers real backup protection if the window ever leaks. For a homeowner, the takeaway is less about doing the work yourself and more about understanding what quality window installation involves. A sill pan, back dam, and continuous air and water barrier around a window are details that affect how long a new window performs and whether small leaks turn into hidden wall damage. If you're planning a window replacement, these are the kinds of details worth asking about.

Fine Homebuilding
case study Aug 10, 2026 56

Installing Flanged Windows – Part 3: Install the Window

If you're replacing windows, this covers what happens once a window actually goes into the wall opening, and it explains why some small details matter for how long the window lasts. The builder in the video installs a window with a flange (a strip around the frame that gets nailed or screwed to the wall and sealed), and stresses a few things worth knowing if you're hiring someone for this work. First, metal clips that bolt the window frame to the framing add real structural holding power, so the window doesn't rely only on the flange to stay put during storms or high wind. Second, the shims used to level the window in the opening matter: composite shims (rather than wood ones like cedar) don't soak up water and wick it into the window frame or trim, which can cause hidden rot or paint damage over time even if the window itself is sealed correctly. The other detail is drainage. The installer leaves the bottom edge of the window unsealed and uses small "horseshoe" shims underneath it, so that if water ever gets past the window seal — from a storm, a bird strike, or just years of sun exposure — it has a path to drain back outside instead of pooling and causing damage. None of this is something you'd inspect yourself, but knowing these terms (window clips, composite shims, drainage shims) can help you ask better questions if you're getting new windows installed and want assurance the job accounts for long-term water and air performance, not just appearance.

Fine Homebuilding
industry Aug 10, 2026 54

Addressing Smart Thermostat Privacy Concerns: What Contractors Can Do To Put Homeowners At Ease

If you have a smart thermostat, or you're thinking about installing one, you may wonder what it's actually doing with your data. These devices collect things like your temperature settings, schedule, and mode to work properly, and some use sensors to track occupancy or humidity. Features like weather-based adjustments need your home's location, and "auto-away" settings that lower or raise the temperature when you leave need your phone's location. None of this is required — you can opt out of these features if you're not comfortable sharing that information, though doing so may turn off the feature that depends on it. A common worry is that a utility or the government could remotely control your thermostat. That's not how it works. Utilities offer optional programs, sometimes called demand response, that homeowners choose to join. These involve occasional events, usually shown in the thermostat's app, and you can skip an individual event or leave the program later. Separately, many thermostats let you share system data directly with a contractor you choose, which can help catch problems with your heating or cooling equipment early. As with any connected device in your home, some security is on you: use a strong Wi-Fi password, keep the thermostat's app and software updated, and check the manufacturer's privacy policy if you want more detail on what's collected and how it's protected. Connectivity doesn't have to mean giving up control — most of these features are optional, and you decide what to turn on.

ACHR News
case study SC Aug 10, 2026 52

Q&A Spotlight: What’s the best air-barrier for a beach house’s exposed floor?

A homeowner building on the South Carolina coast raised a tricky question about elevated beach houses: how do you air-seal and insulate a floor that has nothing but open air underneath it? Homes built on pilings near the ocean are raised up to avoid flood damage and rising sea levels, but that means the underside of the floor faces the same wind, heat, and humidity as an exterior wall — a much harder problem than a typical enclosed crawlspace. The homeowner, building in Charleston (climate zone 3A), already has a tight envelope planned, using taped structural sheathing on the walls and roof that's achieved very low air leakage (0.6 ACH50, a measure of how much air escapes a house under test pressure — lower is tighter) on past projects. The unsolved piece is the floor. His plan is to run a "smart" vapor-control membrane across the underside of the floor framing, seal it to the wall sheathing, and cover it with moisture-resistant drywall to form a garage ceiling, then fill the floor cavities with fiberglass insulation. He asked whether this makes a continuous air barrier and whether there's a better-tested way to handle that wall-to-floor transition. This is a niche construction detail mainly relevant to new coastal builds on piers, not a typical retrofit. But the underlying issue — that any exposed underside of a house needs the same careful air sealing and insulation attention as a wall or roof — is a reminder that floors over open space, garages, or vented crawlspaces are common places where homes lose energy if not sealed properly.

Green Building Advisor
case study CT Aug 10, 2026 52

Is All-Electric Living Possible In A Basic Summer Home?

A homeowner with a small seasonal cabin in Connecticut shares what happened when she tried to go all-electric on very limited power. Her modular home only has 30-amp electrical service, which caps out around 3,600 watts total. That's enough to run a fridge, TV, and lights together, but not much more — turning on a coffee maker while a space heater runs can trip the breaker and cut power entirely. She swapped a propane heater for a small electric heater and fan, since her wiring couldn't support a full heat pump. For cooking, a four-burner electric stove was out of the question, so she uses a single induction burner instead, and says she's happy with how fast it heats compared to gas. Hot water comes from an existing electric water heater, but she has to plan showers ahead of time and turn the heater on and off around other appliance use to avoid overloading the circuit. Without central air, she relies on open windows, fans, and shade to get through hot days. She'd also like to add plug-in solar — small portable panels that plug into a regular outlet to offset grid electricity — but notes that Connecticut's law allowing this doesn't take effect until October 1, 2026. If you're weighing electric upgrades for an older or seasonal home, her experience is a reminder that your home's amp service, not just the appliances themselves, often sets the real limit on what's possible.

CleanTechnica
industry Aug 10, 2026 52

Sunrun pursues direct-sales transition amid industry headwinds

Sunrun, the country's largest provider of leased rooftop solar and battery systems, reported a rough second quarter. New customer sign-ups fell 31% compared to last year, and installed solar and battery capacity dropped 23% and 15%. One bright spot: 74% of new systems now include a battery, up from 70% a year earlier. The company is shifting away from selling through outside affiliate partners toward its own in-house sales staff, a change that has been bumpier than expected, partly because a major installation partner, Freedom Forever, went bankrupt in April. Sunrun says its direct sales have picked up in recent months. For homeowners, this mostly signals a company in transition rather than a change in what's available to you. If you're considering solar and storage from Sunrun, you may be dealing with newer, in-house sales reps rather than a local affiliate company. Battery attachment is increasingly the norm for new solar customers, which fits with many states' incentive programs that reward pairing solar with storage. The news also touches California homeowners specifically: tax breaks that exempt residential solar systems from property tax and utility user tax increases are set to expire at the end of 2026 unless state lawmakers act, which could raise costs for solar customers there. Sunrun also noted that California sales still haven't recovered to levels seen before the state's 2023 shift to its current net billing rules, which reduced compensation for solar exports to the grid.

Utility Dive
industry TX Aug 10, 2026 48

SEG Solar opens 4 GW Texas facility, announces plan to become the nation’s largest crystalline silicon module maker

Solar company SEG Solar has opened a large new factory in Tomball, Texas, where workers assemble solar panels (crystalline silicon modules) for homes and businesses. The plant is expected to reach full output next year, adding 4 gigawatts of yearly capacity on top of the company's existing 2-gigawatt plant nearby in Houston. Combined, that's enough panels to eventually produce 30,000 modules a day at this site alone, once it employs about 500 workers. SEG also announced plans to build a second factory across the street within 18 months, adding another 4.6 gigawatts of capacity. If completed, the company says it would become the largest U.S. maker of this type of solar panel, producing around 70,000 modules a day across its Texas sites. The company also said it wants to build a plant that makes solar cells (the components inside panels that convert sunlight to electricity) in the U.S. by 2028. The timing is notable because the expansion was announced one day after the Trump administration unveiled new tariffs and a minimum price rule on imported solar cells and panels. Company leaders acknowledged they still need to figure out how to respond to those trade changes. For homeowners, none of this changes anything immediately, but more U.S.-made solar panels entering the market, combined with new tariffs on imports, could eventually affect panel pricing and availability for home solar installations.

PV Magazine USA
case study NC Aug 10, 2026 48

This Mayor Didn’t Come to Washington to Talk About Energy Policy. He Came to Talk About Enfield.

The mayor of Enfield, North Carolina, a small rural town of about 3,000 people, recently visited Washington to talk about his town's plans rather than push for any specific energy policy. Enfield is planning energy-efficient affordable housing, solar installations, and what would be one of the first community-scale geothermal heating and cooling networks in the Southeast. A geothermal network like this uses the steady temperature underground to heat and cool buildings, often with lower energy use than traditional systems. The mayor argues these projects are as much about jobs and community investment as they are about clean energy. He points to families in Enfield facing some of the highest energy costs in the state, and says the projects could lower utility bills, create local jobs, and bring investment to a town that has often been overlooked. He made this case directly to congressional staff, framing federal energy decisions in terms of everyday impact rather than technical policy detail. For homeowners elsewhere, there's no direct program or deadline here. This is a story about one town's push toward geothermal, solar, and efficient housing, and about local leaders trying to show that rural communities can lead on clean energy rather than just wait to benefit from it elsewhere.

Southern Alliance for Clean Energy (SACE)