Energy efficiency news.
Rebate updates, policy changes, and technology developments — aggregated from 50+ sources, AI-enriched, and scored for relevance.
How much of a threat do heat waves pose to nuclear plants?
This summer's heat waves in Europe knocked out or reduced power at several nuclear plants, raising questions about how well nuclear energy holds up as the climate warms. In France and Switzerland, plants shut down because river water got too warm to safely release back into waterways. Along the Danube, plants in Hungary, Romania, and Bulgaria cut output or paused because drought dropped river levels below the intake pumps that pull in cooling water. Hungary temporarily sank barges near its Paks plant to raise the water level enough to keep cooling water flowing. Experts say the problem is largely about how individual plants were built decades ago, not a fundamental flaw in nuclear power. Plants with cooling towers — the tall structures common in the U.S. and Asia — recycle water in a closed loop and are far less vulnerable to hot, low rivers. Nearby plants in the Czech Republic and Slovakia, which use cooling towers, kept running through the same heat wave. Adding a cooling tower to an existing plant is possible but expensive, with a past California study estimating roughly $135 million in today's dollars, and such upgrades take years. For homeowners, the immediate takeaway is limited: this is a story about how power grids and utilities keep the lights on during extreme heat, not a program or rebate that affects your house directly. Arizona's Palo Verde plant, which runs on recycled wastewater instead of river water, is cited as a model for building nuclear plants that hold up better in hot, dry conditions.
130-ton electric trucks 4,000 feet beneath the surface of the Earth [video]
A Swedish mining company, LKAB, is now running two massive electric haul trucks nearly 4,000 feet underground at its Malmberget iron ore mine. Each truck weighs about 130 tons and carries a 624 kWh battery — for comparison, a home battery backup unit is typically 10 to 15 kWh — giving them roughly seven hours of run time on a full charge. Together the two trucks have already hauled more than 100,000 tons of ore. They fast-charge at up to 375 kW, so a full shift's worth of power takes about 80 minutes. This is mining and industrial equipment news, not something that changes anything about your own house. But it is a useful data point on where battery technology is heading: engineers note the underground mine actually suits batteries well, since the temperature stays steady around 12 to 15 degrees Celsius (roughly 54 to 59 degrees Fahrenheit) year-round, which is close to ideal for battery performance. That's the same basic principle behind why home batteries and heat pumps work more efficiently when kept in a stable temperature range rather than exposed to extreme heat or cold. LKAB says it wants 30 percent of its mining fleet electrified by 2027 and reports it's on track. There's no rebate, incentive, or purchasing decision here for homeowners — it's simply a sign that battery and electric-motor technology keeps scaling up into heavier, more demanding uses, which over time tends to push costs down and performance up across smaller consumer and home applications too.
SMA releases suite of power solutions for data center market
The company SMA Solar Technology has launched a new line of power equipment aimed at large data centers, particularly those built for AI computing. This is business-to-business news about electrical infrastructure for massive computing facilities, not something that touches a typical home's energy setup. The new products include battery-based systems to stabilize power for data centers connected to the electric grid, a backup power system that can keep data centers running independent of the grid, and a system planned for 2027 that supports a newer type of power delivery for AI equipment. The idea is to help these huge facilities get connected to power faster and run more reliably, since data centers use enormous amounts of electricity and can strain local grids. For homeowners, this doesn't translate into a rebate, program, or upgrade you could use on your own house. It's worth knowing about mainly as background: as more data centers get built and connected to the grid, it can affect local electricity demand and reliability in some areas over time. But there's no direct action or benefit here for someone weatherizing a house, installing a heat pump, or looking into solar and battery incentives for their own property.
‘Starwashing’: The new space race has an environmental problem
This is a story about space companies, not home upgrades, but it touches on energy and climate in ways worth knowing about. Companies like SpaceX and Blue Origin, along with startups such as Reflect Orbital, are pitching space-based fixes for Earth's energy problems — orbiting data centers, or tens of thousands of mirrors beaming sunlight to solar farms after dark. Researchers now call the marketing behind these plans "starwashing," a spin on "greenwashing," where companies highlight cosmic promises and small green gestures while downplaying real environmental costs. Those costs include rocket soot that can damage the ozone layer, water vapor emissions that trap heat, and satellite debris that releases aluminum oxide dust linked to atmospheric warming and disrupted weather patterns. There's also loss of dark night skies from reflective satellites and harm to wildlife near launch sites. Experts interviewed compare the current space boom to a modern Gold Rush — heavy on optimism, light on scrutiny of the damage. None of this changes rebates or upgrades available for your house right now. But it's a reminder that as AI and space companies compete for power and attention, some real climate benefits have come from satellites too — methane-detecting satellites, for instance, have caught oil and gas leaks far larger than what companies reported. The bigger point from researchers: chasing space-based fixes risks distracting from the more immediate work of cutting emissions and improving efficiency here on the ground, including in homes.
Toyota launches its updated bZ5 electric SUV at half the price of a Tesla Model Y
Toyota has updated its bZ5 electric SUV, but this is a China-only vehicle, not something you'll find at a US dealership. The refreshed 2027 model, sold through Toyota's joint venture there, starts around $19,500 to $30,000 depending on the version, with limited-time pricing as low as about $16,500. That's roughly half the price of a Tesla Model Y in China, even though the two SUVs are close in size. Driving range runs up to 391 miles on the larger battery option, and charging from 30% to 80% takes under 30 minutes. The car also gets a tech upgrade, including a more advanced driver-assist system with roof-mounted radar-like sensing (LiDAR) and dozens of sensors for features like automated navigation on city streets and self-parking. None of this changes what's available to US buyers, since the bZ5 is built in China and isn't sold here. For homeowners thinking about EVs in the US, Toyota's actual lineup here includes the bZ, C-HR, and bZ Woodland electric SUVs, with a three-row electric Highlander coming in early 2027. The cheapest of these, the 2027 Toyota bZ, starts at $34,980, still well above the China-only bZ5's price. If you're weighing an EV purchase alongside other home energy upgrades, like a heat pump or added insulation, it's worth knowing that low-cost EV pricing overseas doesn't yet translate to similar deals in the US market.
Oil Sheen in Cook Inlet Underscores Risks of Offshore Drilling
A miles-long oily sheen turned up near an inactive oil and gas platform in Alaska's Cook Inlet last week. Authorities said by Tuesday the sheen was no longer visible, but they haven't yet said what caused it or where it came from. The investigation is ongoing. The timing has drawn attention because the Trump administration and Congress are pushing for more offshore oil and gas lease sales in Cook Inlet. Sierra Club Alaska's director called the sheen a warning sign about the risks of aging offshore infrastructure in the area, noting that Cook Inlet is habitat for salmon and endangered beluga whales, along with communities that depend on the waters. She argued that expanding drilling while cutting back on safety oversight raises the odds of more incidents like this one. This isn't a story about a program or rebate you can act on at home. It's a reminder that offshore drilling carries ongoing environmental risk, especially from older platforms and pipelines, and that policy decisions about leasing more of Cook Inlet are happening now, while questions about this specific sheen remain unanswered. If you live in or care about the region, it's worth watching for updates on what caused it and whether it affects local wildlife or water quality.
Segway Navimow X430 robot mower $2,249 in Labor Day Sale, EcoFlow Monthly Madness power station flash sale, Worx, EVs, more
This roundup is mostly deal news for outdoor and backup power gear rather than energy-efficiency upgrades, but a few items may interest homeowners shopping for home equipment. Segway is running a Labor Day sale on its Navimow robot lawn mowers, with the X430 model down to $2,249, close to its lowest price yet, and other models starting at $669. EcoFlow has an August "Monthly Madness" flash sale covering three portable power stations, a dual-fuel generator, and two EcoCredits promotions starting at $1, plus a separate 24-hour deal on the 1,024Wh DELTA 3 Classic power station bundled with a 45W solar panel for $499. Worx also has a cordless electric hedge trimmer at its lowest price so far this year. Portable power stations like these can serve as backup power during outages, and some pair with solar panels for off-grid charging, which may appeal to homeowners who already have or are considering solar. None of these are whole-home energy-efficiency upgrades or tied to any rebate program, though — they're standalone product sales on mowers, trimmers, and portable batteries. If you're weighing a home energy project like insulation, a heat pump, or electrical upgrades, this particular roundup doesn't affect that planning; it's more relevant if you're in the market for yard equipment or a backup power source for your house.
Xiaomi Launches Global EV Website
Xiaomi, the Chinese tech company known for phones and gadgets, has launched a global website and social media presence for its electric car business, now branded "Xiaomi Auto." The move comes as the company prepares to enter the European market in 2027. Xiaomi has had strong sales success in China with its electric vehicles, but the Chinese EV market overall has cooled this year, pushing automakers to look abroad for growth. The new site, xiaomiauto.com, is still fairly bare, showing company news dating back to 2023 and highlighting five research and development centers, including one in Munich, Germany. Xiaomi is also seeking dealer and distributor partners to sell its cars in Europe once it launches there. This is a business and market story rather than one with an immediate impact on your home. There's no rebate, incentive, or purchasing decision to weigh yet, since Xiaomi's cars aren't available in the United States and the company is only just starting its European push. If you're curious about EV options down the road, this is worth filing away as a name to watch, but there's nothing to act on for now.
Wild Vehicle Designs To Try To Compete In China Need To Go, MIIT Decides
China's auto regulator is cracking down on carmakers that rush unusual or untested vehicle designs to market. The Ministry of Industry and Information Technology (MIIT) says some automakers have installed "aggressive design innovations" without enough testing, and that this has led to safety incidents, including some involving self-driving features. The ministry plans to tighten the rules for approving new vehicles, step up testing and validation requirements, and increase inspections to make sure vehicles actually built match what got approved. The move is aimed at China's electric vehicle market, where competition among automakers has been intense, with companies pushing new tech and aggressive pricing to stand out. Officials also flagged concerns about what they call "irrational competition" — companies competing so hard on price and features that it strains the industry — and said they'll work on capacity controls and pricing guidance to curb it. This is a policy story about China's auto industry, not a US energy-upgrade program, so it does not affect any rebates, incentives, or home energy decisions here. It's worth knowing about mainly as a sign that Chinese regulators are tapping the brakes on the wilder end of EV design and self-driving rollout, which could shape which vehicles eventually show up in other markets, including the kinds of EVs some homeowners might charge from a home charger down the road.
BMW’s new iX3 EV is racking up orders, even in China, despite selling only an image
This is a car-industry story, not a home energy upgrade item, so there's little direct bearing on a homeowner's own house. Still, here's what happened: BMW's new electric iX3 SUV is drawing strong early orders worldwide, with global totals nearing 100,000. Demand has been especially heavy in China, where dealers report tens of thousands of pre-orders in less than a week, even though buyers are ordering from images alone — no display cars are available yet. BMW expects show models at dealerships by late October, with first deliveries in November and full-scale deliveries not until 2027. The iX3 is the first model from BMW's new "Neue Klasse" electric platform, with a China-market range rated up to 517 miles and a U.S. version rated at up to 434 miles, starting around $61,500. In real-world testing, a prototype drove about 500 miles on a single charge through hills, snow, and rain. For a homeowner, this is mainly a car-market development rather than something tied to home energy programs or rebates. If you're considering an EV alongside home upgrades like a heat pump or added insulation, the news simply signals that more long-range electric SUV options are coming to market over the next year, which could matter later if you're planning a home charging setup, but there's no rebate, incentive, or program change here that affects your house directly.
Tesla Full Self-Driving likes trains a bit too much
This is a Tesla news item, not a home energy story, but here's the gist: a Tesla running the newest version of Tesla's "Full Self-Driving" software (called FSD, an advanced driver-assist system that is not actually fully autonomous) nearly drove into a moving train this week. Dashcam video shows the car approaching a railroad crossing at 9 mph with flashing lights and train horns sounding, and the system did not brake until the driver took over manually. This is at least the third documented case this year of Tesla's FSD failing at a railroad crossing, following incidents in West Covina, California, and Texas earlier this year, plus a 2025 case in Pennsylvania where a Tesla was actually struck by a train. The National Highway Traffic Safety Administration opened an investigation into FSD in October 2025 after 58 reported crashes, and that probe has since grown to cover about 2.9 million vehicles equipped with the software. Two U.S. senators have separately urged the agency to look specifically at the railroad crossing failures. There's nothing here about home energy upgrades, rebates, or costs for homeowners. It is simply a report on a recurring safety problem with Tesla's driver-assist software and the growing regulatory scrutiny it faces.
Waymo takes a shot at Tesla’s self-driving: it’s a ‘false summit’
This is a self-driving car story, not a home energy topic, so it doesn't affect any upgrade or rebate decision for your house. Still, here's what happened: Waymo, the robotaxi company, published a list of "AI lessons" from its 200 million-plus fully driverless miles, and several of them read as a pointed critique of Tesla's approach to self-driving, even though Tesla is never named. The main jab is that turning a driver-assist system into full self-driving is a "false summit" — meaning it looks like progress but doesn't actually get you to true autonomy. Waymo also argues that cameras alone can't safely deliver full autonomy, unlike its own mix of cameras, radar, and a laser-based sensor called lidar, and that "black box" AI systems that go straight from camera images to steering commands can't build public trust. These are all seen as direct contrasts with Tesla's camera-only, software-driven approach to its Full Self-Driving system. The numbers back up Waymo's confidence: it's running more than 500,000 paid driverless rides a week and aims for a million by year's end, while Tesla's robotaxi service remains small and still uses human safety monitors, having logged only 380,000 "unsupervised" miles in over a year. None of this changes anything about home solar, heat pumps, or efficiency rebates — it's simply a look at how the two companies' self-driving strategies compare.
London police are now using the same illegal e-bikes as the criminals they chase
This is a policing story out of London, not an energy-upgrade story, so it has no bearing on home energy improvements or rebates. Here's what happened, in brief. London's Metropolitan Police has expanded its fleet of high-powered electric two-wheelers to 25, adding 20 new units. Photos released by Scotland Yard show the bikes are Sur-Rons, the same lightweight electric dirt bikes often used by criminals and illegal street riders around the city. These machines can hit about 50 mph, hop curbs, and go places a regular police motorcycle or car cannot, which is why officers want them for chasing suspects, including phone-snatching gangs who use fast e-bikes to grab phones and flee through traffic and alleys. Legally, standard electric bicycles in the UK are capped at 250 watts of continuous power and assistance up to 15.5 mph. Anything more powerful counts as a motor vehicle needing registration, insurance, and licensing. Sur-Rons like the ones police now ride are generally not road-legal when used by the public, and the Met itself lists illegal e-bike use as a policing priority, including seizing these same bikes from riders. London Mayor Sadiq Khan said the expanded fleet, funded through City Hall, helps police match the speed and agility of the criminals they pursue. For homeowners, this is simply a UK policing update about crime enforcement tools. It does not involve any energy-efficiency programs, rebates, or equipment relevant to home upgrades.
Storm Sondors is back, teasing mysterious new electric bike [Photo]
This one's about electric bikes, not home energy upgrades, but here's the gist. Storm Sondors, the founder behind the SONDORS e-bike brand, is teasing a new electric bike on the company website. All that's shown so far is a dark photo of what looks like a moped-style e-bike with a bench seat, wide tires, and a front suspension fork, plus the number "001" and a reveal date of September 3. Sondors has a complicated history worth knowing if the name comes up while you're shopping for an e-bike. He launched a $500 fat-tire e-bike in 2015 that sold in the tens of thousands, then later released the Metacycle, an electric motorcycle. Deliveries of the Metacycle slowed badly, hundreds of finished bikes got stuck in China amid a payment dispute with the manufacturer, and by late 2023 the company was in receivership. Records from that process showed the company had sold more than 63,000 e-bikes but also held over 10,000 Metacycle deposits worth nearly $20 million from customers who never got their bikes. None of this affects any home energy program or rebate — it's simply news that a well-known but troubled e-bike brand may be relaunching. If you're considering buying an e-bike from this company once it reveals the new model, it may be worth keeping that delivery history in mind before putting down money on a preorder.
Dolly Parton Or Elon Musk — Who Is The True Humanitarian?
This piece has nothing to do with home energy upgrades or rebates. It is an opinion column comparing the philanthropy of singer Dolly Parton, who died on August 25, 2026, with that of Elon Musk. The article recounts Parton's charitable work, including her Imagination Library, which has given more than 332 million books to children worldwide, and various education and disaster-relief programs she funded in Tennessee. It contrasts that record with reporting on the Musk Foundation, which the author says has repeatedly failed to give away the minimum share of its assets required by law and has directed money toward projects tied to Musk's own businesses, including Starlink and SpaceX-linked schools. The column also criticizes Musk's role in cutting USAID funding and cites research estimating large numbers of deaths tied to that funding loss. Since there is no policy change, program deadline, rebate, or technology update here, there is nothing for a homeowner to act on. It is a commentary piece about wealth and charitable giving, not a report on energy efficiency, weatherization funding, or home upgrade programs.
BYD’s cheapest EV is about to get a ‘big’ sibling: Here’s what it looks like in person
This is a car industry story, not a home energy upgrade topic, so it doesn't connect to decisions about your house. Briefly: automaker BYD is preparing a new electric hatchback in China called the Great Seagull, a larger sibling to its budget Seagull model (sold outside China as the Dolphin Surf or Dolphin Mini). The current Seagull is one of the best-selling EVs in the world, starting around $10,000 in China. The new version will be noticeably bigger, with a longer body and wheelbase, plus a more powerful electric motor. BYD hasn't released battery details or pricing yet, but the car is expected to use newer battery and fast-charging technology, along with upgraded interior features like a larger touchscreen and redesigned steering wheel. Photos show a car spotted undisguised ahead of its official reveal, with a more distinctive front-end design than the standard Seagull. BYD says the Great Seagull will go on sale by the end of 2026, though exact pricing isn't confirmed. It's expected to cost somewhat more than the current entry-level Seagull given its larger size and added power. For homeowners, this has no bearing on energy-efficiency upgrades or home rebates — it's simply a look at what's coming next in the EV market, in case you're curious about vehicle options down the road.
Kia’s new EV3 is the same price as the Niro Hybrid, and nearly $10,000 less than the Niro EV
Kia's new electric SUV, the 2027 EV3, is now on sale in the US starting at $29,890 (plus a $1,495 delivery fee), the same starting price as the redesigned 2027 Niro, which is now sold only as a gas-electric hybrid. The EV3 is meant to replace the discontinued Niro EV, and it costs almost $10,000 less than that model did. The base EV3 comes with a 58.3 kWh battery and up to 221 miles of range. Higher trims use an 81.4 kWh battery for up to 321 miles of range, more than the old Niro EV's 253 miles. All-wheel drive adds $3,200 on most trims. Every version has a built-in NACS port, the connector used for Tesla Superchargers, so no adapter is needed to charge at those stations. On a fast charger, the smaller battery can go from 10% to 80% charge in about 29 minutes, and the larger one in about 31 minutes. Inside, the EV3 has a wide dual-screen dashboard setup, roughly 30 inches of combined display, plus a separate small touchscreen for climate controls. It's slightly shorter and wider than the old Niro EV but offers similar interior space. For homeowners weighing an EV purchase alongside home upgrades like a charger or solar, this adds an affordable, longer-range option to consider, priced close to the Chevy Bolt EV and Nissan Leaf.
California virtual power plant bills clear key legislative hurdle
Two bills moving through the California legislature could change how home batteries, EV chargers, and smart thermostats get used and paid for on the grid. Lawmakers must vote by August 31, and Governor Newsom would then have until the end of September to sign or veto them. Last year he vetoed similar bills, so it's not clear he'll act differently this time. The bills aim to bundle household devices like solar batteries into what's called a virtual power plant, a network of home energy devices the grid can draw on together during high-demand periods. Senate Bill 913 would set rules letting these home devices count toward "resource adequacy," the backup power utilities are required to line up for peak demand, and could make it more worthwhile financially for battery owners to send power back to the grid. Senate Bill 905 would push utilities to use existing home devices more efficiently before spending billions on new grid infrastructure, which could ease pressure on electric rates. If you have a home battery, smart thermostat, or EV charger in California, this could eventually affect whether you get paid for letting the grid tap your device during peak hours. One existing program, Demand Side Grid Support, already pays hundreds of thousands of California households with batteries and smart devices for this kind of participation, but it faces a state funding cut that could shut it down next year. Supporters of the new bills also want that program extended so current participants aren't left without compensation while new rules are worked out.
The Humidity Problem Nobody Warned Me About
A building-science consultant who has spent over a decade monitoring electrified homes in Cleveland says humidity control, not heating, turned out to be the hardest problem to solve. Heat pumps kept homes warm even in extreme cold, but on one project — a 1900s house he'd air-sealed and fitted with a right-sized heat pump — indoor humidity crept above 60% despite doing everything building science recommended at the time. The fix ended up costing about $10. He cut a return vent so dry basement air could circulate upstairs, turned on a "reheat" dehumidification setting on the heat pump (which cools the air to wring out moisture, then reheats it so the house doesn't get cold), and turned down the fresh-air ventilator that was bringing in more outdoor moisture than the system could handle. The bigger lesson: sealing up an old house without a moisture barrier under the basement or crawlspace floor can trap humidity that used to escape through the walls and attic. Newer homes with vapor barriers under the slab have less of this problem, but it's not zero. He now argues that a heat pump's ability to dehumidify matters as much as its ability to heat or cool, especially since summer humidity has risen noticeably nationwide since 1950. Homeowners in humid climates, or with older, tighter, or previously damp homes, may want to ask about dehumidification performance and whether a standalone dehumidifier makes sense, not just heating and cooling capacity, when considering a heat pump.
PSE&G launches VPP pilot with $5,000 home battery incentive
PSE&G, New Jersey's utility, has launched a new program called GridSmart Battery Program that pays homeowners to install a home battery. If you're a PSE&G residential electric customer, you can get $5,000 upfront toward the cost of a qualifying battery system, plus the option to borrow up to $25,000 at 0% interest, repaid through your utility bill, to cover the rest of the hardware and installation. The catch: your battery becomes part of PSE&G's virtual power plant, a network of home batteries the utility can draw on together like one big power source. During scheduled "GridSmart Battery Events," PSE&G will switch your battery to power your home instead of pulling from the grid, easing strain during high-demand periods. You'll get advance notice before any of these events happen. The pilot is part of a larger push by the New Jersey Board of Public Utilities to expand battery storage statewide, with a goal of 2,000 megawatts of storage by 2030. Regulators are also working on a permanent statewide framework for these battery networks, and what PSE&G learns from this pilot will help shape those future rules. If you're a PSE&G customer thinking about a home battery for backup power, this program is worth a look for the upfront incentive and financing option. Enrollment requires installing approved battery hardware, and PSE&G has posted a list of participating contractors on its website.
California sends balcony solar bill to governor for signature
California lawmakers have passed a bill, called the Plug and Play Solar Act, that would let homeowners and renters buy small "balcony solar" panels and plug them in at home without first getting a formal interconnection agreement from their utility. That approval process has been slow and costly, and has kept these small systems out of many apartments, condos and houses. The bill now goes to Governor Gavin Newsom, who has 30 days to sign or veto it. The systems covered by the bill are capped at 1,200 watts, enough to run everyday items like a fridge, lights, a Wi-Fi router, or an AC unit. They would still need to meet safety rules, including certification by UL or an equivalent testing lab, and an automatic shutoff within seconds if the power grid goes down, to protect utility workers. One change added late in the process would end the interconnection exemption on January 1, 2030, unless lawmakers act again to extend it, giving the market about four years to grow under the new rules. California would not be the first state to do this. Utah passed similar legislation in 2025, and eight other states have followed. New York has its own balcony solar bill awaiting its governor's signature. If California's version becomes law, it would open its large market to a lower-cost way for people who rent or can't install rooftop solar to generate some of their own power, though the actual products and pricing available to consumers would depend on what retailers offer once the rules take effect.
Trump’s energy policy could cost US 540 GW of renewables, says NRDC
A new report from the Natural Resources Defense Council (NRDC) says federal energy policy changes could cut the amount of new wind, solar, and battery storage power the country builds over the next decade by 390 to 540 gigawatts. The report points to the rollback of clean-energy tax credits from the Inflation Reduction Act, new tariffs, and the cancellation of offshore wind leases as the main causes. NRDC says this lost capacity mostly isn't being replaced by other power sources — at most 9 gigawatts of new natural gas capacity gets built instead, partly because gas turbines are in short supply and new renewables are often cheaper to build anyway. The practical effect, according to NRDC, is higher electricity bills. With less new renewable power coming online, utilities lean more on older, more expensive fossil-fuel plants. NRDC projects the power sector will spend $5 billion to $15 billion more on fossil fuels while losing out on $45 billion in tax incentives. It estimates this could push average household electricity rates up by 4.2% to 5.5% by 2035, compared with earlier projections made before these policy changes. For homeowners, this is a reminder that broader electricity costs are shaped by national energy and tax policy, not just local utility decisions. If these projections hold, households in many states could see somewhat higher electric rates over the next decade than previously expected, separate from anything happening with home efficiency programs or appliance choices.
How Tesla’s solar business works in 2026 after killing Solar Roof
Tesla has discontinued its Solar Roof, the glass solar tile it launched back in 2016, closing the book on a product that never caught on. It made up only a small sliver of the residential solar market, and its end marks a bigger shift in how Tesla approaches solar for homeowners. In its place, Tesla is pushing a new US-made 420-watt solar panel, built at its Buffalo, New York factory, designed to pair with its Powerwall 3 home battery. On Tesla's online quote tool, the default setup now bundles solar panels with a Powerwall, with the pitch centered on backup power and protection from rising electricity rates rather than solar alone. You can still choose solar without a battery, but the tool nudges you toward the bundle. The bigger change is who shows up to install it. Tesla has largely stepped back from doing installations itself and now relies on a network of more than 7,000 third-party "Certified Installers" across 35-plus countries. Depending on where you live, you might get a system installed by Tesla's own crew, or you might buy Tesla equipment that a local certified company designs, installs, and services. Tesla doesn't publish which areas fall into which category, so you won't know until you enter your address into its online design tool. Pricing details it does share: a base cash price around $2.30 per watt before incentives, solar loans around 7.24%, Powerwall loans around 6.99%, and leases around 8.5% (leases only offered in Tesla's direct-install areas).
Gary, Indiana is a warning: energy independence has gotten personal
A derecho storm knocked out power to nearly 370,000 people around Gary, Indiana on August 11. Nearly two weeks later, tens of thousands were still in the dark, with power mostly restored only by late August. Residents have pointed out that data centers in the region reportedly stayed powered through the outage while homes went without for days, raising questions about how utilities prioritize repairs and infrastructure spending. This fits a broader pattern worth knowing about if you're weighing home energy upgrades. Data centers are consuming a fast-growing share of the country's electricity, and that demand is showing up in bills: the national average residential electricity rate hit 17.45 cents per kilowatt-hour in January 2026, up 9.5% from a year earlier. In Virginia, Dominion Energy proposed its first base-rate increase since 1992, adding about $8.51 a month, citing infrastructure needs driven partly by data centers. Rising rates and grid strain from extreme weather are two separate pressures, but they're pushing more homeowners toward solar and battery backup as a way to keep essentials like refrigeration, lights, and medical equipment running during outages. None of this points to a specific rebate or deadline, but it's a reminder that grid reliability and cost pressures vary a lot by state and utility. If outages or rising rates are a concern where you live, it may be worth checking what backup or efficiency options are available in your area.
Energy Storage Is Strengthening Reliability. These 5 States Are Leading the Charge.
More states are building large batteries to store electricity and release it when demand peaks, which helps keep the grid stable during heat waves and reduces the price spikes that show up on power bills. Big battery installations have grown fast nationwide, from 6,000 megawatt-hours in 2020 to more than 175,000 megawatt-hours now, enough to power over 5 million homes for a day on one charge. Several states have set official targets for this kind of storage. California passed its first target in 2010 and has far exceeded it, now with over 21,000 megawatts of storage; on one day this August, batteries supplied a third of the state's power during peak evening demand. Nevada set a 2030 goal of 1,000 megawatts and has already topped 1,700. Illinois passed a law this year aiming for 3,000 megawatts by 2030, plus a program that lets home battery systems help supply power when demand is highest — officials estimate this could save Illinois households and businesses $13.4 billion on electricity over 20 years. Virginia, facing fast-growing demand from data centers, expanded its targets to add nearly 21,000 megawatts of storage by 2045. Massachusetts hit its 2025 storage goal early and is now pushing for longer-duration storage. None of this requires homeowners to do anything right now, but it points to why some states are pairing home battery systems with the grid and offering programs tied to them. What's available depends on where you live, so it's worth checking what your state offers.
Midea EVOX G³ for Older Multifamily Retrofits: A Chicago Case Study
This is a sponsored case study from Midea about a heat pump product used in an older apartment retrofit in Lansing, Illinois — worth reading with that in mind, since the details come from the manufacturer's own marketing video and interviews. An owner of a six-building, 144-unit complex built in the 1960s needed to replace failing gas furnaces without upgrading electrical panels, opening walls, or tearing out old ductwork. He chose Midea's EVOX G³, a ducted heat pump (a system that heats and cools by moving heat rather than burning fuel) small enough to fit narrow mechanical closets. According to the installer and owner, the units went into the existing footprint, reused the old ductwork, and connected to standard thermostat wiring without new electrical work. Midea's own spec sheet lists cooling and heating efficiency ratings (SEER2 up to 19.0, HSPF2-4 up to 10.8) and says the system keeps full heating output down to -13°F. Residents reported more even heat and less noise afterward. For your own home, the useful takeaway isn't the specific product but the pattern it points to: older buildings with tight mechanical spaces, older wiring, and usable ductwork are not automatically stuck with gas heat. Heat pump options exist that can work within those constraints. But Midea's own material is careful to note that electrical needs, duct compatibility, and eligibility for any tax credits or rebates vary by project and current program rules, so those specifics would need to be checked for your particular house rather than assumed from this one case.
How the Termination of Solar for All Left Southern Communities Scrambling
A federal program called Solar for All, funded through the Inflation Reduction Act, was set up to bring rooftop solar and home weatherization (sealing and insulating homes to cut energy waste) to low-income communities, along with job training for local workers. Earlier this year, the EPA gutted the $7 billion program, canceling grants that had already been awarded in places like Georgia and Mississippi. In Georgia, the nonprofit Capital Good Fund had received $156 million to bring solar and energy upgrades to about 800 homes in Atlanta, Decatur, Savannah, Augusta, and southwest Georgia. In Mississippi, the nonprofit Groundswell had won the same amount for the Mississippi Delta. Both grants also funded training programs meant to move local workers, many of them Black residents underrepresented in the clean energy field, into solar installation and weatherization jobs paying far more than typical local wages. When the funding was pulled, newly trained workers lost job placements, and community groups that had spent years building trust and organizing participants had to shut the programs down almost overnight. For homeowners in these areas, this means a planned source of no-cost or low-cost solar and weatherization upgrades, along with the local workforce meant to install them, is no longer available. The organizations involved say they hope similar funding will return someday, but nothing is currently in place to replace it. If you live in a low-income community that was counting on this program, it's worth checking with local nonprofits or your state energy office about what other rebates or assistance programs might still exist.
California Legislature passes balcony solar bill
California's legislature has passed a bill legalizing "balcony solar" — small, plug-in solar panel kits that plug straight into a regular wall outlet and send power to whatever's nearby, like a fridge or router. The bill, SB 868, now goes to Governor Newsom, who has 30 days to sign or veto it; if he does nothing, it becomes law anyway and takes effect January 1, 2027. Supporters say a plug-in system could cut a household's annual electric bill by around $400, and it opens up solar to renters and others who can't put panels on a roof. Systems up to 1,200 watts per home would be allowed without going through the usual utility approval process required for full rooftop solar. There's a catch: only kits certified by a national safety testing lab would qualify, and the relevant safety standard, called UL3700, is brand new — no product has been certified under it yet. That standard also still requires an electrician, so a truly plug-and-play product may not be available right away. The law also has an expiration date of January 1, 2030, after which plug-in solar would again need utility sign-off, unless lawmakers extend it. California would join eight other states — Colorado, Connecticut, Maine, Maryland, New Hampshire, Utah, Vermont, and Virginia — that have already passed similar balcony solar laws, with New York's bill awaiting the governor's signature. If you're interested in this option for your own home, it's worth checking back once certified products actually reach the market and confirming what your state allows.
International Flashing Awareness Day
August 26 is International Flashing Awareness Day, a builder-started campaign to get people talking about flashing — the strips of metal or other material installed around windows, doors, rooflines, and other joints to keep water out of walls and roofs. Two builders in New Brunswick, Canada, started it in 2021 after years of repairing rotten walls caused by poor or missing flashing work. What began as 30 T-shirts handed out on social media has grown into an annual event backed by building-material companies and Fine Homebuilding magazine, with 255 shirts printed for 2026. For homeowners, the point isn't the shirts — it's the underlying issue. Flashing failures are a common, often hidden cause of water damage, wood rot, and mold in walls and roofs, especially around windows, doors, chimneys, and other places where different building materials meet. These problems can go unnoticed for years before showing up as costly repairs. There's no program, rebate, or deadline tied to this event — it's an awareness campaign, not a government or utility initiative. But if your home has ongoing moisture issues, peeling paint, musty smells, or soft spots near windows or rooflines, flashing details are worth asking about when you talk to anyone doing exterior work, siding replacement, or window installation on your house.
Is R2.7 enough for a thermal break for a basement cement floor
A homeowner planning to cover a basement concrete floor asked whether a thin insulating underlayment would be enough to take the chill out of the slab before adding vinyl plank flooring. The floor already has plastic sheeting under the concrete but no insulation, and the homeowner wanted to add no more than an inch of thickness. Two products from a brand called Dricore came up: one with an R-value of 2.7 that combines foam with a layer of wood sheathing on top, and another with an R-value of 4.1 that is foam alone. R-value measures resistance to heat flow; higher numbers mean better insulation. The homeowner leaned toward the lower-R product partly because pure foam under vinyl flooring seemed too soft to support furniture legs. Responses from experienced builders in the discussion said the thinner, R-2.7 option would likely be enough for comfort. They explained that bare concrete feels cold mainly because it conducts heat away from your feet quickly, not because it's dramatically colder than the room. Any layer between the slab and your feet — foam, sheathing, even plastic — cuts that conductivity and improves comfort. One builder noted that untreated concrete typically has only about R-0.3, so adding R-2.7 is a meaningful upgrade. They also agreed that soft flooring laid directly over plain foam, with nothing more rigid underneath, can feel mushy and is best avoided. For anyone with a similar basement floor, this suggests that a thin insulating underlayment, even a modest one, can noticeably improve comfort and may also help avoid moisture problems in summer, without needing a thick or complicated buildup.
Sodium-Ion Batteries For The Win!
A newer type of battery is starting to move into home and grid energy storage: sodium-ion. Most home batteries today use lithium, but sodium is cheaper, works better in cold weather, and needs little or no cooling system, which is one of the more expensive and space-hungry parts of a battery setup. Sodium also doesn't carry the fire risk that comes with some lithium chemistries, so battery makers are calling it safer. Several companies are moving quickly. ESS, based in Oregon, plans to launch its first sodium-ion storage system next year, with a more advanced version in late 2028. Peak Energy expects to start delivering its own sodium system by mid-2027, and says its version can passively cool itself, cutting out fans and chillers. For homeowners specifically, a company called Unigrid, working with manufacturer Syntropic Power, is aiming sodium batteries at the residential market, where lithium home batteries have stayed expensive, often $10,000 or more. Because sodium's raw materials cost much less than lithium's, the companies working on it expect prices to drop faster over time. None of this is available to buy yet. Analysts at Morgan Stanley Research estimate sodium batteries will hold only a small share of the storage market by 2027, growing much larger by 2030 and 2035. So if you're weighing a home battery now, this is a technology to watch rather than something on the shelf yet, but it points toward home batteries that could eventually cost less and need less maintenance.
Sodium-ion batteries are ready for world domination
A new type of home battery is moving fast toward the market: sodium-ion. Most home batteries today use lithium, but sodium is cheaper, more abundant, and not controlled by a single country's supply chain. Sodium batteries also handle extreme heat and cold well (companies cite a range of -40°F to 140°F without losing performance), so they don't need the fans or cooling systems lithium batteries often require. That means fewer moving parts, less noise, and less maintenance. For homeowners, the one to watch is Unigrid's Na+Casa, a 9.25-kWh sodium battery designed for houses. It's rated for more than 10,000 charge cycles at full depth of discharge, meaning it can be run down completely that many times before wearing out. Its size is limited by current fire-safety rules for sodium batteries, which cap them below the 15-kWh lithium units already sold for homes. Unigrid is now partnering with a manufacturer called Syntropic Power to build these batteries in the U.S. Sodium batteries aren't cheaper than lithium yet, but the company developing this one expects costs to drop sharply over the next five to ten years, since sodium itself is inexpensive and most of the cost is in manufacturing, which should improve with scale. Grid-scale sodium batteries from other companies, including ESS and Peak Energy, are also set to launch in 2027, which could speed up the technology's spread. None of this is available to buy yet, but it points to a lower-cost, lower-maintenance alternative to today's home batteries within a few years.
California plug-in solar bill SB 868 earns approval of both legislative houses, nears governor’s desk
California lawmakers have passed a bill that would let homeowners and renters use small, plug-in solar panels — devices that plug directly into a regular electrical outlet — to offset some of their home's power use. Senate Bill 868 covers systems up to 1,200 watts and would let people set them up without filing paperwork with their utility or getting the utility's permission first, though utilities could still require notice that a device is in use. The panels would need to meet national and state electrical codes and carry safety certification from a recognized testing lab. The bill has passed both the state Assembly and Senate and now needs a final procedural vote before going to the governor. If signed, it would take effect January 1, 2027. One detail worth knowing: the exemption from utility paperwork and permission would expire on January 1, 2030, under amendments added as the bill moved through the legislature. If it becomes law, California would join ten other states that already allow this kind of plug-in solar setup. Supporters say a 1,200-watt system could save a household hundreds of dollars a year on electricity, which matters most in a state where power costs are already among the highest in the country. The bill has backing from groups including the Sierra Club, Vote Solar, and Environmental Working Group. Its fate now rests with the governor, who has not yet said whether he will sign it.
Modern “balloon framing” and thermal bridging
A homeowner asked in an online building forum whether anyone had actually built a wall using a "modern balloon framing" design shown in a blog post about Swedish platform framing. Balloon framing is an older wall style where studs run continuously from foundation to roof, instead of stopping at each floor the way standard platform framing does. The question was really about thermal bridging — the heat loss that happens where solid wood framing members create a direct path for heat to escape through a wall, bypassing the insulation between the studs. Two people answered. One pointed out that this framing style is gaining interest in parts of Europe as builders look for lower-carbon ways to build with wood framing, and linked to a related approach by the same designer, Gregory La Vardera, that wraps a wall in continuous insulation (an unbroken layer of foam or rigid insulation over the studs) to meet 2021 energy codes. The other reply noted an important catch: the balloon-framed walls shown in the example are built off-site and lifted into place by crane, which makes them practical for factory-built projects but hard to replicate for a crew building walls on site the traditional way. This is a technical framing discussion rather than a program or rebate update, and it does not point to any product or service available to homeowners now. If you are planning new construction or a major addition, it is a reminder that wall design choices affect how much heat your walls lose through the framing itself, separate from how much insulation is packed between the studs.
A 1995 Dodge Ram Shows What US EV Policy Keeps Missing
Old, high-mileage trucks and cars are a hard case for climate policy. A well-kept 1995 pickup that's paid off can still be the financially sound choice for its owner, even though it burns far more gas and produces far more carbon dioxide each year than an efficient electric truck running on the average US grid. That gap between what's rational for a household and what's better for emissions is the problem policy hasn't solved. Cheaper electric trucks are starting to change the math. Slate's basic electric pickup lists around $24,950 with about 205 miles of range, and Ford plans a midsize electric truck for 2027 with a target starting price near $30,000. At those prices, plus lower fuel and maintenance costs that can save an owner around $220 a month compared with a 14-mpg truck, replacing an old gas guzzler starts to look like a better deal, though it still may not beat keeping a vehicle that's already paid for. Federal tax credits for new and used electric vehicles are no longer available for vehicles bought after September 30, 2025. The case here is for a different kind of incentive: scrappage payments that scale with how much a vehicle pollutes, how many miles it's driven, and how much life it has left, with extra help for lower-income households and full eligibility for used EVs. The idea is to make replacing a heavy-polluting old vehicle pay off at the moment an owner would naturally consider it, not to argue anyone driving an old truck today is making a bad choice.
German HVAC Company Boosts Growth with U.S. Facility
Ziehl-Abegg, a German HVAC manufacturer, is expanding its North American headquarters in Winston-Salem, North Carolina, two years after opening the facility. The plant makes high-efficiency air-movement equipment, such as fans and blowers used in heating, cooling, and ventilation systems, for customers across the U.S., Canada, and Mexico. Since mid-2024, the company's North American workforce has more than doubled, growing from 321 to 662 employees. It now expects to reach about 1,600 employees by 2030, double its earlier projection of 800. The Winston-Salem site, nearly four times the size of the company's previous plant in Greensboro, houses manufacturing, research and development, logistics, sales, and administration in one location. It also hosts the company's second R&D team outside Germany, which adapts products for the North American market. For homeowners, this is mainly a sign of broader industry growth rather than something that changes your options right away. Ziehl-Abegg's equipment typically goes into commercial and industrial systems rather than the residential furnaces or heat pumps sold directly to homeowners, so this expansion doesn't point to a new product or rebate for your house. It does reflect growing demand for efficient air-movement technology in North America, which may support more manufacturing capacity and faster availability of parts across the HVAC industry over time.
A 1995 Dodge Ram Shows What US EV Policy Keeps Missing
Old, high-mileage vehicles are a bigger climate problem than most people realize, but the usual response — a generic EV tax credit — doesn't fix the real math behind why owners keep them. A well-known example: a 1995 Dodge Ram pickup that gets 12 to 16 miles per gallon can produce 7 to 9 tonnes of carbon dioxide a year from gas alone, versus roughly 2 tonnes for an efficient electric pickup on today's grid. But if the truck is paid off, spending a few thousand dollars on repairs is far cheaper than buying a $50,000 electric replacement, so keeping it running is often the more rational choice for the household. That calculation is starting to shift as electric trucks get cheaper. Slate's stripped-down electric pickup is priced at $24,950 with about 205 miles of range, and Ford has said its first midsize electric truck on a new platform will target around $30,000 when it arrives in 2027. At that price, lower fuel and maintenance costs — estimated around $220 a month, or about $2,600 a year, compared with a 14-mpg pickup — start to matter more. The piece argues for scrappage incentives that scale with how much a vehicle pollutes and how many miles it has left, rather than treating every trade-in the same, with larger help for lower-income households. Note that federal new- and used-EV purchase tax credits ended for vehicles acquired after September 30, 2025, so any future incentives along these lines would depend on new state or federal programs — worth watching if you're weighing when to replace an old, thirsty vehicle.
Nevada ‘misses an opportunity’ in performance-based DER tariffs: advocate
Nevada regulators have approved new payment programs that let NV Energy customers earn money from home batteries, smart thermostats, and other devices that can reduce or shift power use during times of high grid demand. Approved on Aug. 11, the two programs pay based on either hourly market pricing for energy sent back to the grid or an avoided-cost calculation for reducing demand. This replaces a narrower demand-response setup that had been in place for 15 years, and puts Nevada in line with other states experimenting with these "virtual power plant" style programs, where many small home devices act together like a power plant. If you own solar panels, a battery, or a smart thermostat in NV Energy territory, this could eventually mean new ways to get paid for how your equipment interacts with the grid. But there's a catch: the new rules limit the ability of customers to let third-party companies (rather than NV Energy itself) manage and pool their devices for these payments. Clean energy advocates argued this narrows customer choice and could slow battery adoption, especially now that a federal tax credit for home batteries has expired, since third-party companies had been helping keep battery costs down. Regulators sided with NV Energy on keeping the utility in control, saying options like open data-sharing platforms or outside aggregators weren't necessary yet. The case isn't fully closed, though — parties have a deadline this week to ask regulators to reconsider parts of the decision.
NC jury awards Shoals $96 million in damages over Voltage patent infringement
A federal court in North Carolina has ruled that Voltage infringed on patents held by Shoals Technologies Group, awarding Shoals more than $96 million in damages. The dispute centers on large-scale solar cabling equipment used in utility-scale solar installations, not residential rooftop systems. The court also blocked Voltage from making, distributing, or selling the products found to infringe on Shoals' patents. This follows earlier rulings from the International Trade Commission, which found that Voltage's LYNX trunk bus product (a cabling system used to connect solar panels) violated federal trade law by importing components that copied Shoals' patented Big Lead Assembly, or BLA, technology. Shoals' CEO said the rulings confirm the strength of the company's patents and its commitment to protecting its designs. Notably, Voltage's newer product, LYNX PLUS, was found not to infringe on Shoals' patents, so that redesigned version can still be sold in the United States. For homeowners, this case involves commercial and utility-scale solar hardware, not the kind of equipment typically installed on a house. It has no direct bearing on home solar costs, rebates, or available equipment for residential systems. It is worth knowing about mainly as a sign of ongoing patent fights among solar equipment makers, which can occasionally affect which components are available on the market, but it does not change anything for someone planning a home energy upgrade right now.
The microbial solution to our massive copper shortfall
The clean energy build-out needs a lot of copper for wind turbines, grid upgrades, and data centers, but new mines take 10 to 16 years to permit and build. That gap has companies looking for ways to get more copper out of mines that already exist. One approach comes from a company called Endolith, which uses naturally occurring microbes to pull more copper out of low-grade ore at existing mine sites. The ore sits in giant piles called heap leaches, where acid slowly dissolves out the metal. Endolith adds specially selected microbes into that acid irrigation process, using real-time data to fine-tune the process without disrupting how the mine already operates. The idea is to squeeze more copper from rock that mining companies have already dug up, rather than waiting over a decade for new mines to come online. This is industry news rather than something that changes your home upgrade plans directly. But copper is a key material in heat pumps, electrical wiring, and other equipment used in home electrification, so anything that eases a looming copper shortage could matter down the line for the cost and availability of that equipment. For now, there is no specific program, rebate, or deadline here for homeowners to act on.
Garage Conversion
This is a homeowner forum question, not news, but it's worth understanding if you're thinking about turning a garage into living space. A contractor described a project converting a 23x23-foot garage into a heated and cooled room using a minisplit (a compact, ductless heat pump for heating and cooling). The garage walls are basic: 2x4 studs, exterior siding board with no housewrap or extra sheathing, and only thin fiberglass insulation inside, rated around R-11 (a low insulation value for walls). The building inspector said the room could count as a conversion of previously conditioned space, since an old propane heater was once installed there. The clients want to keep costs down, so they are resisting the contractor's suggestion to add new sheathing, housewrap, and siding, or to upgrade the wall insulation with rigid foam. The contractor asked other builders whether just replacing the interior drywall and paneling, without touching the wall's insulation or exterior layers, would be an acceptable shortcut. Plans for the rest of the space included foam insulation and plywood over the concrete floor, and blown-in cellulose insulation in the attic rated at R-49 (a high insulation value, common in attics). For a homeowner, the takeaway is that garage conversions often reveal weak spots in walls that were never built for full-time heating and cooling, and cutting corners on wall insulation and air sealing can leave a converted room less comfortable and more expensive to heat and cool than the rest of the house.
Policy targets, grid stress drive state storage deployment, SEIA reports
Battery storage — large batteries that store electricity and release it when demand is high — is expanding fast across the country, and a few states are leading the way through policies that set specific targets for how much storage utilities must add. California has built the biggest fleet by far, with more than 21 GW of battery capacity online, far exceeding its original 2010 goal. In August 2026, the state's batteries discharged more than 13 GW at once, covering about a third of California's power demand during the evening peak and helping avoid grid problems. Nevada set a goal of 1 GW of storage by 2030 and has already passed 1.7 GW. Illinois is aiming for 3 GW of storage by 2030 under a law Governor J.B. Pritzker signed this year. Virginia, driven partly by growing data center demand, now requires nearly 17 GW of short-duration storage by 2040 plus 4.5 GW of long-duration storage by 2045. Massachusetts already hit its earlier target and is now focusing on long-duration systems that can help during winter cold spells and smooth out power from offshore wind farms. For homeowners, this growth in grid-scale storage doesn't change your electric bill or rebates directly, but it's part of why some states are becoming more reliable and better able to handle high electricity demand, including from home heating and cooling. If you're considering home battery storage or solar-plus-battery systems, it's worth checking whether your state has its own incentives, since policies and support vary widely from place to place.
These EV chargers hang from garage ceilings – and install in hours
A startup called Voltpost, known for turning street lampposts into EV chargers, has launched two new charger designs aimed at parking garages and apartment buildings. One mounts to the ceiling and lowers a retractable cable when needed; the other attaches to walls or pedestals. Both are meant for property owners who want to add charging without trenching through pavement or doing a major renovation, and Voltpost says installation can take just hours, cutting costs by as much as 70 percent compared with standard setups. That figure is the company's own estimate, and actual savings will vary by site. These are Level 2 chargers, delivering up to 9.6 kW, which Voltpost says can add roughly 25 to 30 miles of range per hour depending on the vehicle. They come with either one or two ports and can use either connector type (J1772 or the newer NACS standard used by Tesla). Drivers pay through an app, credit card, or RFID card, and the chargers show up in mapping and rideshare apps. This matters most for people who live in condos or apartments rather than houses with driveways. Nearly a third of U.S. homes are in multi-unit buildings, but only a small fraction of home EV charging happens there, partly because installation has been costly and disruptive. These ceiling- and wall-mounted designs don't remove every hurdle — buildings still need enough electrical capacity and an owner willing to pay for it — but they could make retrofits simpler. Voltpost hasn't announced pricing, availability dates, or which properties will get them first.
Northern Sun Energy building 23-MW New York community solar portfolio
Two new community solar projects are under construction in upstate New York, in Waterford and Boonville. Together they'll produce 23 megawatts of power. The developer, Seaboard Solar, is working with builder Northern Sun Energy, and the projects have grant support from NYSERDA, the state's energy research agency. Community solar lets homeowners buy into a shared solar array instead of putting panels on their own roof, usually in exchange for credits on their electric bill. If you live near Waterford or Boonville, this project could eventually offer that kind of subscription option, though nothing in this announcement covers signing up or savings. The construction itself involved some engineering challenges worth knowing about if you're curious how these projects get built: the Waterford site can only be reached by a bridge with a 20-ton weight limit, so crews had to plan carefully around how heavy equipment gets in. Boonville has some of the highest snow load requirements in the country, meaning the solar racking has to be built to hold up under heavy snow without breaking or losing performance. The builders worked with a racking company, GameChange Energy, to design a system that meets those updated snow codes while keeping the project on schedule. Both sites are being built with local labor.
Geothermal needs better tools for superhot drilling. Hephae can help.
A startup called Hephae Energy Technology has built a drilling tool meant to make a newer kind of geothermal power cheaper to develop. Next-generation geothermal projects don't rely on finding natural hot-water pockets the way traditional geothermal plants do. Instead, they drill into hot rock wherever it's found, which means they could eventually supply on-demand electricity across the western United States. But drilling costs, which can run into the millions per well and account for up to half the cost of building a plant, have held the industry back. Hephae's tool tracks conditions underground and helps guide the drill, similar to equipment long used in oil and gas drilling. The difference is that it can handle much higher temperatures, up to 210 degrees Celsius, without needing to pause and cool down, something that currently costs geothermal operators roughly $500,000 to $1 million per well in downtime. The company has already tested its tool at Fervo Energy's Cape Station in Utah, a large geothermal project expected to be fully running by 2028, and plans to send another to Mazama Energy's site near Oregon's Newberry Volcano. None of this changes what's available to homeowners today. It's a look at the engineering and investment happening behind the scenes as companies try to make this newer form of geothermal energy cost-competitive with nuclear, solar, and wind power on the broader electric grid.
To Build a Reliable and Affordable Grid, We Need Better Data From Data Centers
The huge growth in data centers is straining electric grids, and part of the problem is that almost no one has good data on how many data centers exist, where they're being built, or how much power they use. Companies often keep this information secret, and there's no central database tracking projects. That makes it hard for utilities and grid planners to know how much new power generation to build, which can lead to either overbuilding (raising costs and pollution) or underbuilding (risking blackouts). Either way, the costs of getting it wrong tend to land on regular electricity customers through their bills. Some states are starting to push back. Texas paused approval of new data centers while it audits pending projects, though it let a large Meta project move forward. Minnesota and Wisconsin have scaled back tax breaks they'd offered data center developers, and New York has imposed the first state moratorium, blocking new data centers of 50 megawatts or larger through July 2027 while it studies the impacts. At the national level, an industry group called NERC is drafting new rules requiring data centers to register and report information needed for grid planning, and the Energy Information Administration is separately working to collect data center energy-use figures. None of this requires anything from you directly, but it matters for your electric bill. Utilities in many states are making multi-decade investment decisions based on incomplete demand forecasts, and advocates argue that poor visibility into data center growth could translate into higher rates for households as utilities either overbuild fossil-fuel plants or scramble to catch up. Checking what your own state is doing on data center oversight and utility planning may be worth watching as this plays out.
MRCool releases inverter heat pump for recreational vehicles
MRCool has released TravelCool, a rooftop heat pump built for RVs. It provides 15,000 Btu/h of cooling and 10,236 Btu/h of heating, and can work in RVs with ducted or ductless air systems. The unit is designed for larger coaches and multi-room trailers, with a low-profile shape meant to cut wind drag and give extra roof clearance. It weighs about 43 kg and comes in black or white housings. The heat pump uses R-32 refrigerant and DC inverter technology, which adjusts power use to run efficiently whether the RV is plugged into the grid or off-grid. It runs on standard 115V AC power, so in an RV with solar panels, electricity would come from the vehicle's battery through an inverter rather than straight from the panels. MRCool says the unit runs quieter than typical RV air conditioners: 55 decibels in its low-power "Eco" mode and 59 in "Turbo," compared with 60 to 70 decibels for conventional systems. It can cool an RV to about 17 C in outdoor heat up to nearly 43 C, and heat it to about 27 C when it's as cold as 5 C outside. Controls include a remote, an optional wired panel, or a phone app, and the unit comes with a two-year parts warranty. This follows MRCool's recent launch of a similar DIY heat pump for home use. For RV owners, especially those running off-grid on solar and battery power, TravelCool offers an alternative to standard RV air conditioners that may use less electricity and run quieter.
The problem with the US gas bonanza for data centers
The country is in the middle of a big buildout of natural gas power plants, and most of the new capacity is being built to run data centers for artificial intelligence. A new project in Pike County, Ohio, developed by SB Energy with OpenAI as the tenant, would add 8 gigawatts of data center capacity backed by 9.2 gigawatts of new gas generation — possibly the largest gas plant in the country. The federal government is involved directly: it's providing land, part of the funding comes from a U.S.-Japan trade agreement, and the government will actually own the power plant once it's built. Nationally, gas capacity being developed for data centers has nearly doubled this year to about 189 gigawatts, and overall U.S. gas power development is up 50%, putting the country on pace to build twice as much gas capacity as China. At the same time, a group of electric cooperative leaders has called for repealing 2024 EPA rules that limit emissions from gas plants, arguing the rules make it harder to keep up with data center demand. None of this requires anything from you directly, but it matters for the bigger picture: a wave of new gas plants tied to AI data centers works against efforts to cut power-sector emissions, and it could affect electricity costs and grid planning in areas near these projects. Analysts note real uncertainty here — many announced gas projects lack firm start dates, and financing for projects like the Ohio one is unusually tangled, with OpenAI and Nvidia both investors in the same company building it.
Harbert acquires cogenerating heat, power plant in Georgia
A private investment firm, Harbert Management Corp., has bought Mid-Georgia Cogen, a power plant near Macon, Georgia, that produces both electricity and heat. The plant supplies power to Georgia Power under a new 20-year contract starting in 2028, and it also sends heat to a nearby Frito-Lay food plant for cooking and space and water heating. This kind of dual-purpose setup, called cogeneration or combined heat and power, captures heat that would otherwise be wasted at a regular power plant and puts it to use nearby. For homeowners, this deal itself doesn't change anything about your house, your utility bill, or any rebate program. It's a business transaction between an asset management firm and the plant's previous owners, and Georgia's utility regulator has already approved it. The purchase price wasn't disclosed. The bigger context is that Georgia Power's parent company, Southern Company, says it now has 17 gigawatts of large customers, mostly data centers, under contract across its territory. That kind of growth in electricity demand is part of why utilities are locking in long-term deals with power plants like this one. If you live in Georgia Power's service area, rising demand from large industrial and data center customers is one factor that can influence future electricity rates and grid planning, though this particular acquisition doesn't come with any new program, incentive, or cost for homeowners.
NLR-NRRI Partnership Advances Industry-Scale Innovation and Process Demonstration
The National Laboratory of the Rockies and the University of Minnesota's Natural Resources Research Institute have started a new research partnership called IMPACT, aimed at scaling up ways to process and recycle critical minerals like lithium, scandium, and copper. The idea is to take promising lab-scale discoveries and prove they can work at industrial volumes, closing what researchers call the "valley of death" between a good idea and an actual product. Two projects are already underway. One, done with the Department of War, looks at recovering lithium from aluminum alloys used in military aircraft, since current recycling methods can't pull that lithium back out. The other, called the Tramp Element Removal Innovation Center, tackles a problem in steel recycling: copper from scrap metal contaminates the melt and weakens the finished steel. New processing methods aim to strip that copper out so US scrap can keep being turned into high-quality steel while also recovering the critical minerals. This is early-stage industrial and materials research, not a program tied to home energy upgrades or rebates. But it points to a broader effort to secure the domestic supply of minerals used in batteries, electronics, and manufacturing — materials that eventually show up in things like heat pumps, electric vehicles, and home batteries. There's nothing here that changes what's available to homeowners today, but it's a sign of the kind of groundwork being laid for future supply chains in clean energy technology.