Energy efficiency news.
Rebate updates, policy changes, and technology developments — aggregated from 50+ sources, AI-enriched, and scored for relevance.
This Graph Shows Why Europe, India, & China Should Adopt Cleantech ASAP
A new global energy report highlights how much money Europe, India, and China spend importing oil, gas, and coal from other countries. The report's author argues that this spending, combined with the health problems and pollution caused by burning these fuels, makes a strong case for those regions to move faster toward electric transportation and renewable electricity like solar and wind. For a homeowner, this is background context rather than a change to any program or rebate. It reflects a broader argument about why countries might speed up their shift away from fossil fuels, not a new policy, deadline, or incentive you can act on right now. The reasoning centers on national spending and public health, not household costs directly. That said, the trend behind this argument is the same one driving many local incentives for things like heat pumps and rooftop solar: as governments look to cut fossil fuel imports and pollution, they often expand rebates and tax credits for homeowners who make similar switches. So while this particular report does not point to a specific new benefit for your house, it is part of the larger push that shapes the kinds of energy-efficiency programs and rebates you may see offered where you live.
What are tank bottoms?
This story is about oil markets, not home energy upgrades, but here's what happened. Crude oil storage at the major hub in Cushing, Oklahoma dropped below 20 million barrels from mid-June through mid-July. Storage tanks can't actually empty completely — they need a minimum amount of oil, called "tank bottoms," to keep pumps working. The gap between total tank size ("shell capacity") and how much can actually be pumped out ("working storage capacity") is what tank bottoms account for. When Cushing storage got this low, it affected oil prices. The price of U.S. crude (West Texas Intermediate, priced at Cushing) briefly rose above the international benchmark price (Brent crude), an unusual reversal that hadn't happened since January 2022. This suggests storage at Cushing may have gotten close to its practical minimum, creating a supply squeeze in that regional market. None of this points to a specific action for homeowners. It's a look at how oil storage infrastructure works and a signal that a key U.S. storage hub was unusually tight this summer. If you're watching fuel or heating oil costs, tight crude storage and unusual price swings like this are sometimes an early sign of broader market pressure, but this particular report is focused on the mechanics of storage tanks rather than any near-term change in prices at the pump or for home heating fuel.
Xpanner introduces excavator-mounted automation tool to ease utility-scale installation bottlenecks
A company called Xpanner has released a new tool aimed at speeding up construction of large, utility-scale solar farms, the kind that power the grid rather than sit on a house roof. The tool, called the X1 Panel Lift, attaches to a standard excavator and automates the lifting and placement of solar panels, a job normally done by hand by large crews. The idea is to cut down on the physical strain and slow pace that comes with manually carrying and positioning thousands of heavy panels. The system runs on Xpanner's own control software, called Mango, which uses sensors including LIDAR, cameras, and GPS to guide the excavator through each pickup and placement automatically. Because it's built on top of a regular excavator, one machine can do work that used to require several pieces of equipment and multiple specialized workers. Xpanner is offering it as a subscription that bundles the hardware, software, and on-site support, rather than a big upfront purchase. This news is about utility-scale solar construction, not home solar installation, so it doesn't change anything about rooftop panels or home energy upgrades directly. But it's a sign of how the solar industry is trying to solve labor shortages and speed up large project timelines, which can affect how quickly big solar farms come online and, over time, how much solar power is available on the grid.
Chip Motors unveils $15,000 electric ‘life utility vehicle’
A Miami startup called Chip Motors has unveiled a small electric vehicle called Chip, starting at $15,000 for a 4-seat version and $18,000 for a 6-seat version. Despite the marketing name "life utility vehicle," this is a low-speed vehicle (LSV) — a street-legal category limited to 25 mph and roads posted 35 mph or under, the same rules that cover neighborhood electric vehicles like the GEM. It's an open-air, topless design by default, with plastic composite panels, hose-down interiors, and options like air conditioning, a hard or soft top, a lift kit, and built-in navigation. The company claims 100-plus miles of range, overnight charging on a regular household outlet, and faster charging on a 240V setup. Reservations are open with a refundable $250 deposit, but deliveries aren't expected until 2027. The vehicle's headline feature, called "Chip Go," lets the car park itself or run errands without you inside. But this isn't self-driving technology — it's a remote human driver operating the car by teleoperation when the cabin is empty. For homeowners, this is worth knowing about mainly as a low-cost EV option for short local trips like school runs or groceries, not as a replacement for a highway-capable car. It's priced as a premium entry in the golf-cart-style LSV market, where cheaper options already exist. Anyone considering one for daily errands might also think about how to charge it cheaply at home, including through solar.
Energy business, used car business, and plain ol’ business business
This roundup is a podcast episode covering car and energy industry business news, and none of it points to anything homeowners need to act on. It touches on Elon Musk's purchase of a gas turbine company to power his AI product, a reported 40 percent stock crash (and denial of bankruptcy rumors) at electric vehicle maker Lucid, and a used Tesla Model S selling for well over $100,000 above its original price. The more relevant thread for anyone tracking electric vehicle costs is that prices keep falling. Hyundai cut prices on its IONIQ 5 N by $6,300 and is offering 0% financing with up to $10,000 off other models. Polestar EVs are reportedly discounted by $25,000 after being banned from US sales. A separate report on June's national EV pricing data shows prices continuing to drop overall. None of this is about home energy upgrades, weatherization, or rebate programs. It is industry and market news about EV makers, corporate finances, and a tech company's energy infrastructure purchase. If you're weighing an electric vehicle purchase alongside home upgrades like a heat pump or solar panels, the discounts on Hyundai and Polestar models, along with the broader drop in EV prices, are worth knowing about. But there is no new program, deadline, or rebate here that affects your house directly.
World’s Largest Integrated Solar & Battery Storage Project Inaugurated in the Philippines
The Philippines has switched on the first phase of what's expected to become the world's largest combined solar-and-battery power plant, located in Nueva Ecija, north of Manila. The MTerra project now has 1,373 megawatts of solar panels paired with 825 megawatts of battery storage (3.3 gigawatt-hours of capacity), with power currently capped at 750 megawatts while grid connections are finished. When complete in 2027, the full project aims for 3.5 gigawatts of solar and 4.5 gigawatt-hours of storage, enough to supply more than 2.4 million households. This isn't a home energy story so much as a national grid one, but it points to a bigger shift worth knowing about: batteries paired with solar are increasingly seen as necessary, not optional, because they let extra daytime solar power get stored and used in the evening, when demand stays high but the sun is down. That's the same logic behind home battery systems paired with rooftop solar — storing what you generate during the day so you can use it after dark instead of drawing from the grid or losing it. For Philippine electricity customers, the practical effect is a step toward relying less on imported coal, gas, and oil, which should mean less exposure to swings in global fuel prices over time. There's no specific incentive or program here for homeowners elsewhere to act on — it's simply a sign that large-scale solar-plus-storage is moving from pilot projects to mainstream infrastructure.
When will quantum computing have its breakout moment?
This is a podcast episode about quantum computing, a technology still years from everyday use, so it does not point to anything homeowners need to act on right now. But since some backers say it could eventually speed up work on things like better batteries and other clean energy materials, it is worth knowing where the field actually stands. The guest, an analyst who tracks the quantum computing industry, says the technology remains in an early, error-prone stage. Machines still make frequent mistakes, and recent claims of "quantum advantage" mostly involve artificial test problems with no real-world use, rather than tasks people actually need solved. He expects three to four years before quantum systems reliably outperform standard computers on practical work, including simulating molecules for materials like advanced batteries and catalysts. He also notes that governments and investors have poured over $50 billion into the sector, with 85 companies now competing to build quantum hardware, far more than any past computing market has supported. He expects many of them to fail or merge in coming years, which he says is a normal shakeout rather than a sign the technology is failing. For homeowners, the takeaway is simple: quantum computing might someday help researchers design better battery materials or other energy technology, but that is not close. There is no product, program, or rebate tied to this news, and nothing here changes what upgrades make sense for your house today.
Range Rover’s smaller, more affordable electric SUV makes first public appearance [Images]
This one is about a new electric vehicle, not a home energy upgrade, so it won't affect your house or rebates. Still, here's what happened. Range Rover showed a prototype of its second electric SUV, the Range Rover Sport Electric, in public for the first time over the weekend, at the Goodwood Festival of Speed. It follows the brand's first electric SUV, the flagship Range Rover Electric, which is set to go on sale by the end of this year. With the new electric version added, the Range Rover Sport lineup will offer diesel, six-cylinder gas, mild-hybrid V8, plug-in hybrid, and now fully electric options. The Sport Electric is expected to start at about £100,000 (roughly $135,000) in the UK, cheaper than the flagship Range Rover Electric's estimated £150,000 (about $200,900) starting price. It uses a dual-motor all-wheel-drive setup putting out a combined 542 horsepower and 637 lb-ft of torque, paired with the same 118.5 kWh battery as the flagship model. Range is estimated at about 380 miles on the European testing scale, or around 330 miles under the US EPA standard. The Sport Electric is due to arrive later this year and will compete with other luxury electric SUVs, including BMW's new iX5 and the Porsche Cayenne Electric.
Zayed Sustainability Prize Closes 2027 Submissions with Strong Global Participation
The UAE's Zayed Sustainability Prize has closed submissions for its 2027 cycle, drawing more than 10,200 entries from 177 countries, its highest turnout in 18 years. That's a 32% jump from last year. The prize covers six categories: health, food, energy, water, climate action, and global high schools, and rewards organizations and student groups working on practical projects that improve access to essentials like power, water, and health care, mostly in underserved communities. In the energy category, which drew nearly 1,000 entries, applicants focused on energy efficiency, storage, decentralized renewable power, smart grids, and demand-side management, meaning systems that help match energy use to supply and cut waste. This is more about global development projects than products you'd buy for your own house, but it points to where efficiency and storage innovation is heading worldwide. Winners will be picked by a jury in September 2026 and announced at a ceremony on January 12, 2027. Each category winner gets $1 million, and finalists get $150,000. Six high schools will also win $150,000 each, with high school finalists getting $25,000. Since the prize began, its 139 past winners have reportedly reached more than 411 million people worldwide. For homeowners, this isn't a program you can apply to or benefit from directly, it's an international award tracking broader trends in clean energy and resource innovation, some of which may eventually shape technologies available closer to home.
Wallbox & Turning Point Energy Surpass 10,000 EV Chargers Deployed Across Saudi Arabia
Wallbox, the EV charger maker, and its Saudi partner Turning Point Energy have installed more than 10,000 chargers across Saudi Arabia since teaming up in 2022. The chargers cover homes, businesses, and public charging spots, and include both AC (slower, typical for home charging) and DC (fast charging) units. Turning Point acts as the official distributor and installer for Wallbox equipment in the country and also supports charging setups tied to EV brands like BYD and Lucid. For homeowners, this is really a business milestone rather than a new program or rebate. It's not tied to any US utility, state incentive, or federal tax credit, and it doesn't change what's available for home charger installs here. Wallbox does sell home charging equipment in the US market separately, so if you already own or plan to buy one of its chargers, this news doesn't affect pricing, availability, or support for your unit. The bigger picture is that Saudi Arabia is building out EV charging infrastructure as part of its broader energy transition plans, and this partnership plans to keep expanding there. If you're weighing an EV purchase or a home charger, this specific announcement isn't something that changes your options or costs — it's a sign of how fast global charging networks are growing, not a new rebate or deadline to track for your own home.
XPeng L03 ships Google Maps Auto SDK — a first for an APAC automaker
This is a car industry story with no real impact on home energy upgrades, but here's the gist: XPeng, a Chinese EV maker, is putting Google Maps' navigation technology directly into its new L03 electric SUV coupe for markets outside China, including Europe. The car keeps XPeng's own dashboard look and feel, but Google supplies the traffic data, place search, and route planning underneath. XPeng says it is the first Asia-Pacific automaker to do this, though Rivian did something similar back in 2025. The bigger reason behind the move is XPeng's self-driving software. The company says its driver-assistance system, called NGP, can't expand into new countries without dependable map data, and building that map coverage itself across dozens of markets would take too long. Using Google's maps lets XPeng skip that step and focus on rolling out its assisted-driving features in Europe and elsewhere. For homeowners, this doesn't affect any energy-efficiency programs or rebates. It's simply a sign of how Chinese EV makers are adapting their software to expand into Western markets. If you're already looking at an electric vehicle like the L03, the article notes that charging it with home solar tends to be the cheapest way to run it, since electricity rates have been rising.
Infinite Machine Olto review: A strange ‘e-bike’ or an urban transportation revolution?
This one is outside what Retrofit Relay covers. We write about home energy upgrades — insulation, air sealing (blocking drafts that leak heated or cooled air), heat pumps, windows, and the rebates and tax credits tied to them. A review of a $3,495 electric moped-bike hybrid, however interesting, doesn't touch your house's energy use or any home efficiency program. If you're weighing an actual home upgrade — a heat pump swap, attic insulation, sealing up drafts, or checking what rebates your state offers through programs like HEAR (the federal home electrification and appliance rebate program) — that's the kind of news we can help you plan around. This piece isn't that.
The Aral Sea isn’t just an ecological nightmare – it’s a carbon bomb
The Aral Sea, once one of the largest inland bodies of water on Earth, has mostly dried up over the past 60 years as its feeder rivers were diverted for cotton irrigation. New research finds this loss did more than create an ecological disaster: it released a huge amount of carbon dioxide. Healthy lakes trap organic matter in their sediment, acting as carbon sinks. When they dry out, that stored carbon escapes into the air. Scientists estimate the Aral Sea has released 748 million metric tons of carbon dioxide since 1960, roughly three times Spain's annual emissions, with wind blowing exposed sediment away accounting for close to a fifth of that. The lake bed still holds an estimated 605 million metric tons of carbon dioxide that hasn't escaped yet. Researchers argue that protecting this remaining carbon could be treated like a climate solution, potentially worth around $18 billion in carbon credits, which might create financial incentive to restore water flow to the sea. Similar drying is happening at other lakes worldwide, including Lake Chad, Bolivia's Lake Poopó, the Caspian Sea, California's Salton Sea, and Utah's Great Salt Lake, which separate research found is releasing over 4 million tons of carbon dioxide yearly. This isn't a story with a direct step for homeowners to take. It's a reminder that shrinking lakes and reservoirs are an overlooked source of greenhouse gas emissions, and that protecting water bodies, not just wildlife and communities, may increasingly be framed as a climate issue too.
Kia EV2 Long Range goes on sale with 281 miles of range, plus GT and Black-Line trims
Kia has added a longer-range version of its small electric car, the EV2, now on sale in the UK and Europe. The new Long Range model uses a bigger 61 kWh battery and gets up to 281 miles of driving range on the WLTP test cycle, up from 190 miles on the original First Edition's smaller 42.2 kWh battery. The Long Range EV2 also comes in new GT-Line and Black-Line trims. Pricing varies by market and trim. In Germany, the base Long Range "Air" trim starts around €33,490 ($38,300), with GT-Line and Black-Line versions running higher. In the UK, the Long Range Air starts at £27,995 ($37,700) before any government incentives, while GT-Line and GT-Line S trims cost more. The original First Edition, with the smaller battery, still starts lower, around £26,995 ($36,500) with the UK's Electric Car Grant applied. This is a Europe-and-UK launch, not a US announcement, so it does not directly affect American homeowners shopping for a home EV charging setup right now. But it is a sign that automakers keep pushing smaller, more affordable EVs with longer range, which is useful context if you are weighing whether to install a home charger or wait for cheaper electric models to reach your market. Kia also cited independent testing showing the standard EV2 beat its official range rating in real-world driving, a detail relevant mainly to how much you might trust an EV's advertised range when planning charging needs.
Xpeng’s new L03 undercuts Tesla Model Y by up to $10,000 in Europe
Chinese automaker Xpeng has launched a new electric SUV in Europe, the L03, priced well below Tesla's Model Y — the best-selling EV in that segment. In Germany it starts at €35,600 versus roughly €38,970 for the Model Y, and in Norway the gap is even bigger, with the L03 starting around $10,400 cheaper. The L03 comes with features like a heat pump (which both heats and cools efficiently), heated and ventilated seats, and a panoramic roof as standard, plus faster charging than the base Model Y. Deliveries begin in the fourth quarter of this year. This is a European story, not a US one. Because of tariffs on Chinese-made vehicles, Xpeng has no way to sell the L03 in the US, so American buyers won't be able to cross-shop it against the Model Y or other EVs here. Converting the European price to dollars (after stripping out European sales tax) puts the L03 in the same range as cars like the Chevy Equinox EV, which starts near $35,000 in the US. For a homeowner thinking about an EV purchase, the direct takeaway is limited: this pricing fight is playing out in European markets, and it does not change what's available or what anything costs in the US right now. If you're considering an EV and also thinking about charging it at home, pairing it with home solar remains a separate way to lower your cost per mile, regardless of which car you eventually choose.
Segway Max G3 e-scooter at $1,000 2026 low, EcoFlow dual-bundle power station flash sale, Tapo solar security camera 3-pack low, more
This roundup covers gear deals rather than home energy upgrades, so most of it has little bearing on weatherization or efficiency projects. A few items relate to home power backup and outdoor equipment, which some homeowners track alongside solar or storage plans. EcoFlow is running a flash sale on dual bundles of portable power stations and expansion batteries, with pricing starting at $879. These battery setups are often used as backup power or paired with home solar sould you already have panels, though this deal is separate from any rebate or utility program. A related sale from Wellbots, marking its 13th anniversary, offers savings on EcoFlow and Jackery power stations, but that promotion ends tonight. Also included: a Tapo SolarCam three-camera outdoor security set at a $120 price point (previously seen during Prime Day), a Segway Max G3 electric scooter at a $1,000 price, and an EGO 56V cordless electric hedge trimmer with a 2.5Ah battery at $195. These are consumer electronics and outdoor tools rather than efficiency equipment like heat pumps or insulation, so they don't connect to rebate programs such as HEAR (the federal home electrification rebate program). If you're evaluating battery storage as part of a home solar setup, the EcoFlow pricing may be worth a look, but the rest of this roundup is general gadget and gear discounts rather than news that affects a home's energy performance or eligibility for incentives.
Delhi Launches Big New EV Policies
This is international news rather than something that changes your own home upgrade options, but it's a useful sign of where electric vehicle policy is heading. Delhi, India, one of the world's most polluted cities, has rolled out a new EV Policy 2.0, effective July 1, 2026, after years of subsidies alone failed to hit its adoption targets. The new approach adds firm mandates: starting January 1, 2027, only electric three-wheelers and small electric commercial trucks can be newly registered in the city. From April 1, 2028, every new scooter or motorcycle registered must be electric. Older gas and CNG two-wheelers can keep running until the end of their working life, but no new ones will be allowed. The city also wants 10% of school bus fleets electric within two years. Delhi is keeping cash incentives too. Electric two-wheelers get a subsidy of ₹30,000 in year one, dropping to ₹20,000 and then ₹10,000. Three-wheelers get up to ₹50,000, and small electric trucks get ₹100,000 in their first year. Owners who scrap an older, higher-polluting vehicle while buying an EV get an extra ₹1 lakh (100,000 rupees) for a car or ₹10,000 for a two-wheeler. Electric cars priced at ₹30 lakh or less also get full exemption from road tax and registration fees. The city is putting more money into EV charging stations as well. None of this applies to US homeowners directly, but it shows a city betting that firm rules, not just rebates, are what actually move people to electric vehicles.
The All-New VW ID. Polo Now Available with 37-kWh Battery — Affordable Entry into Electric Mobility
Volkswagen has started pre-sales for a cheaper version of its ID. Polo electric car, this one with a smaller 37-kWh battery. It's aimed at people who want an affordable way into an electric vehicle for city driving and commuting, rather than long road trips. The range is up to 334 km on the WLTP test cycle, and it can charge from 10 to 80 percent in about 23 minutes at a fast-charging station. Prices start at 24,995 euros for the base Trend trim, with the Life and Style trims starting at 29,195 euros. These figures apply to the German market. This is a European release, not a U.S. announcement, so it won't directly affect what's parked in your driveway. But it's a sign that automakers are pushing to make electric cars cheaper and more practical for everyday errands rather than only long-distance travel. That matters for anyone weighing an EV purchase alongside home upgrades like a level 2 charger, since a shorter-range, lower-cost EV changes the math on how much charging capacity you actually need at home. The car itself comes in three trims. The base Trend includes driver-assist features and a 13-inch infotainment screen. The Life adds comfort items like adaptive cruise control and wireless phone charging. The top Style trim adds premium lighting and interior touches, plus optional extras like a sound system and massage seats. No U.S. pricing or availability has been announced.
Hyundai IONIQ 5 N EV gets a big $6,300 price cut and new features
This is a car story, not a home energy upgrade story, so it doesn't affect your house or any rebate plans. But here's what happened: Hyundai cut the starting price of its 2026 IONIQ 5 N, a high-performance electric SUV, by $6,300, bringing it down to $59,900 before a $1,600 destination fee. That follows an earlier price cut of up to $9,800 on the standard 2026 IONIQ 5. Along with the lower price, the 2026 IONIQ 5 N picks up a few changes. It now has a native NACS port (the plug style Tesla uses), so it can charge at Tesla Superchargers without needing an adapter. It comes with an updated drift mode offering ten settings instead of one, a charging cable that works for both regular home outlets and faster Level 2 charging, plus adapters for Tesla-style AC and fast charging. There's also a new blue exterior color and automatic rear windows. The car keeps its performance features, including a temporary power boost mode that pushes output to 641 horsepower and 568 lb-ft of torque for 10 seconds, and a system that mimics the feel and sound of a traditional 8-speed transmission in an electric vehicle. None of this changes home charging equipment, electricity costs, or any rebate programs homeowners might use for EV chargers. It's simply a price and feature update on one specific performance EV model.
Tesla (TSLA) shareholders are begging Musk to explain missed goals
Tesla shareholders are pressing Elon Musk for answers ahead of the company's July 22 earnings call, after Tesla has repeatedly missed its own short-term targets for robotaxi expansion, self-driving software, and its Optimus robot. Investors submitted questions asking why robotaxi coverage has fallen short of past promises — Tesla's Austin robotaxi service still runs only about 20 vehicles more than a year after launch — and why Hardware 3 vehicles, sold to customers for years with the promise of full self-driving capability, still cannot deliver what's called "unsupervised" Full Self-Driving. Musk has now confirmed twice that those older cars can't reach that goal, leaving open questions about refunds, free upgrades, or other compensation for owners who paid for the feature. For homeowners, this isn't directly about home energy upgrades, but it's relevant if you own a Tesla or are weighing one against other EVs: the self-driving features some buyers pay extra for remain unresolved for older hardware, with no clear timeline or fix confirmed by the company. Separately, shareholders also raised concerns about Tesla's AI and robot programs shifting toward Musk's SpaceX-linked AI venture, and asked Musk to commit to hitting his pay-package goals before considering any merger of Tesla into another Musk company. None of this changes existing EV rebates or home charging incentives; it's a look at internal pressure Tesla is facing over unmet promises.
The BMW iX4 looks more like a grand tourer than an SUV [Images]
This story is about a new BMW electric vehicle, not a home energy topic, so it doesn't affect your house or any rebate planning. Still, here's what's happening: BMW has a new electric SUV coming, the 2027 iX4, spotted testing on roads in Munich. It will replace the current X4 and join BMW's "Neue Klasse" line of electric vehicles, which also includes the iX3 SUV and i3 sedan. The iX4 will come in two all-wheel-drive versions and shares its battery and motor setup with the iX3. That means it should offer a large battery (around 112 kWh in the US), fast charging, and a long driving range, likely in the range of 400 miles or more on a full charge, based on the iX3's performance. Photos show a sportier, sloped-roof shape rather than a boxy SUV look, along with BMW's redesigned grille. BMW hasn't released pricing yet, but expects the iX4 to cost somewhat more than the iX3, which starts at $61,500 in the US. The company plans to reveal full details and pricing closer to the car's debut, expected by the end of this year or in early 2027. If you're weighing an electric vehicle purchase alongside home upgrades like a heat pump or added insulation, keep in mind that having an EV at home can affect your electricity use and may factor into decisions about home charging equipment, but this particular announcement is just a preview of a future model, not something with immediate cost or rebate implications for homeowners.
How DOE's $8.8B Rebate Programs Help HVAC
The Department of Energy has updated guidance for two rebate programs worth $8.8 billion total, aimed at helping homeowners install more efficient heating and cooling equipment. The first, called HOMES (Home Owner Managing Energy Savings), offers rebates for projects like air sealing (blocking drafts and gaps that leak heated or cooled air) and HVAC upgrades. This program is open to homeowners at all income levels, not just those who qualify based on earnings. The second program, HEEHR (High-Efficiency Electric Home Rebate), covers rebates for buying and installing electric HVAC equipment, such as heat pumps, along with other energy-efficient appliances. The goal is to lower home energy bills by shifting toward electric equipment that uses less energy overall. Both programs are run through the states, so the money and rules get distributed differently depending on where you live. If you're considering a heating or cooling upgrade, air sealing work, or a switch to electric appliances, it's worth checking what your state currently offers under these two programs, since availability and rebate amounts can vary. The update itself is a guidance change from DOE rather than a new pot of money, but it shapes how the existing $8.8 billion gets used and who can access it going forward.
Building energy codes at a crossroads
Building energy codes set the minimum energy efficiency rules for new and renovated homes. They usually add a bit to upfront construction costs, but the lower energy bills that follow tend to outweigh that extra cost right away, and by a lot more over the life of a mortgage. Government analysis of the 2024 national residential code found net savings for homeowners in every region starting in year one, and separate research found similar savings for commercial buildings. That system is now facing pushback. In late April, the agencies that oversee federal housing programs dropped a required update to the energy code covering those programs, meaning new or renovated homes in those programs now only need to meet a 2009-era code instead of the more efficient 2021 version, despite the government's own numbers showing the update would have saved households close to $500 a year and more than $15,000 over 30 years. The Department of Energy is also reconsidering how it judges whether codes are cost-effective, in a way critics say downplays energy bill savings and overstates upfront costs. Similar changes are being proposed at the International Code Council, the group that writes the model code many states and cities adopt, and some states are separately moving to weaken or block code updates. None of this changes existing codes overnight, but it could shape how efficient new construction and major renovations are required to be in the coming years, including in programs tied to federal housing loans. Homeowners curious about their own state's current code requirements can check with their state or local building department.
New manufactured homes may get more efficient thanks to housing law
A new federal housing law gives the Trump administration one year to set updated energy-efficiency standards for manufactured homes, which make up about one in 10 new houses in the country and are especially common across the South. These homes are exempt from state and local energy codes, and older models often have thin insulation, drafty windows and doors, and outdated heating and cooling systems. Winter heating bills of $300 to $400 a month are common in older units, a real burden given that manufactured-home residents earn a median income of about $40,000, less than half that of people in site-built houses. The law also renews a federal grant program to help families replace older manufactured homes, including some built before the government had any efficiency rules at all, and it drops the old requirement that these homes be built on a permanent steel chassis for transport, even though most never move after being set up. Advocates say a well-built replacement home could cut energy use inside by about half compared with the oldest units. A similar efficiency upgrade proposed in 2022 estimated it would add roughly $4,222 to the cost of a double-wide home and $660 to a single-wide, costs homeowners would recover in energy savings within one to five years. Those standards were paused by the Trump administration last year and never took effect. Whether the new rules due within a year match or exceed that level of savings is still to be decided.
How an OMB rule could reshape federal energy funding
The White House has proposed a rule that would give any administration much more control over federal grants, including the billions the Department of Energy hands out for energy projects, research, and grid upgrades. The comment period on the proposal just closed. It would require a senior political appointee to sign off on discretionary grants, checking that each one advances the president's policy priorities, a shift away from the current practice of having career technical staff pick projects on merit. It would also make it easier to cancel awards already under contract, even ones meeting all their milestones, if officials decide they don't fit the administration's priorities, and it would limit recipients' ability to appeal those cancellations. Groups including the National Consumer Law Center warn the changes could hit household assistance programs especially hard. LIHEAP, the federal program that helps low-income families cover heating and cooling bills during extreme weather, is flagged as a program where the added uncertainty could disrupt time-sensitive payments. Democratic senators have also objected, calling the rule executive overreach that could scare off applicants for DOE programs. None of this is final yet, and it doesn't change any current rebate or assistance program on its own. But it matters for anyone counting on federal energy funding to stay predictable: over the past year and a half, the administration has already cancelled hundreds of DOE awards and redirected funding by state and technology, and this rule would make that kind of move easier to do and harder to challenge going forward.
Electric Heating Gains Momentum in New Homes
Heat pumps are becoming a standard choice in new homes. A new report from the Building Decarbonization Coalition, using U.S. Census Bureau data, found that 61% of new housing units completed in 2024 had some form of electric heating, the highest share on record. Heat pumps — which both heat and cool a home by moving heat rather than burning fuel — made up 46% of all heating systems installed, nearly matching gas furnaces at 47%. Gas heating's share of new homes, 38% in 2024, is its lowest since 1985, down from 65% in 2000. The shift is showing up in sales too. Heat pump sales outpaced gas and other fossil-fuel furnace sales by 32% in the first three months of 2026, and shipments were nearly as high as those for standalone air conditioners. Heat pump shipments have roughly doubled over the past 15 years, from 1.8 million units in 2010 to 3.64 million in 2025. The report also points to rising energy costs as part of the picture: residential gas and electric bills rose by a median of about 17% between 2019 and 2024. The coalition argues that continuing to expand natural gas infrastructure adds unnecessary costs, and it's tracking related state-level activity, including 22 bills on energy affordability introduced in 12 states this year (10 already passed) and proposals in 12 states plus Washington, D.C. to end subsidies for gas system expansion. For homeowners, the trend suggests heat pumps are increasingly the default option in new construction, and worth a look if you're weighing a heating system replacement.
New normal? The US has suffered a major power outage EVERY month of 2026
Power outages have hit the US every month so far this year, driven mostly by severe weather. January and February brought winter storms that cut power to hundreds of thousands of customers each month. March saw storms knock out power to over a million customers across the Midwest and Mid-Atlantic. April brought tornadoes to Illinois, May triggered an emergency order to bring in backup generation during a Mid-Atlantic heat wave, and June saw hundreds of thousands more lose power in storms. Roughly 70 percent of outages are tied to severe weather, and much of the rest comes from equipment failures — often in grid infrastructure dating back to the 1960s and 70s that hasn't been substantially upgraded since. Homeowners who got through these outages with the least disruption tended to have solar panels and battery storage rather than relying only on the grid. Solar can keep running during a daytime outage, and a home battery can carry power through the night. Some electric vehicles can also send power back into the house through bidirectional charging. None of this depends on federal policy. Even as some federal clean-energy incentives get rolled back, state and utility programs are still offering rebates for home batteries and EVs in places like California. If outages like these keep happening on a monthly basis rather than once a year, it may be worth checking what incentives your own state currently offers for solar, battery storage, or bidirectional-capable EVs.
How to Extend the Life of AC Equipment: A Guide for HVAC Technicians
Central air conditioners are supposed to last 10 to 15 years, but a few hidden stresses can cut that short. One is the jolt of electricity a compressor draws every time it starts up — a spike that can hit roughly 10 times the system's normal running load. Over thousands of cycles each cooling season, that repeated strain wears down motors and electrical parts. A "hard start kit," a small add-on that helps the compressor reach speed faster and shortens each power spike, can ease this stress. It's a low-cost upgrade a technician can install on an existing system. The other quiet threat is power surges. Homes can see up to 150 small surges a month, many caused by appliances inside the house cycling on and off. Newer AC systems with variable-speed compressors and electronic controls are more sensitive to these fluctuations than older single-stage units, and repeated exposure can degrade control boards over time — sometimes leading to a costly repair on a system that's only a few years old. Surge protection devices built for HVAC equipment can guard against this kind of gradual damage. Beyond these two issues, routine maintenance still matters: correct refrigerant levels, a clean condenser coil (the outdoor unit's heat-exchanging coil), and monitoring aging capacitors all help catch problems early. None of these fixes guarantee a longer-lasting AC, but they address some of the most common, preventable reasons systems fail before their time.
Total Energy News – July 2026
This is mostly a Vermont energy newsletter with events and networking notes, but a few items touch on things homeowners might care about. Vermont's Department of Health has a webpage on climate and heat safety, with maps of cooling sites, tips on staying safe in hot weather, and safety information on swimming and algae (cyanobacteria) in lakes. The state is also tracking a real trend: Burlington has seen a 155% increase in "extreme heat days" (87 degrees or higher, accounting for Vermont's humidity) since 1960. That data will appear in a broader September report on Vermont energy affordability and emissions. For homeowners, more hot days can mean more reliance on cooling, which ties into insulation and heat pump decisions, though no new rebate or program was announced here. On the funding side, the Regional Greenhouse Gas Initiative, a program among East Coast states, is generating money states can use to cut emissions or lower energy bills, though specific amounts for individual states were not given. Separately, Washington state has agreed to link its carbon market with California and Quebec, which is expected to help stabilize prices for businesses and consumers there. Also noted: Vermont has opened applications for Volkswagen settlement funding, $5,909,575 total, to help fleets replace diesel vehicles and equipment with zero-emission options. This applies to public and private fleets, not individual household vehicles, with monthly application deadlines through the state's Department of Environmental Conservation.
Silicon Valley’s Bet on the Trades Could Be Good for HVACR
Big tech is putting money behind the skilled trades. Google has committed $50 million to help train more than 300,000 workers for fields like HVACR (heating, ventilation, air conditioning and refrigeration), and Meta has launched a free nationwide training program, America's Workforce Academy, that covers costs and requires no prior experience. The push comes as the industry struggles to find enough technicians to keep up with demand. For homeowners, this mostly matters as a long-term signal rather than something that changes your plans right now. More people training for HVAC work could eventually mean shorter waits for service calls and installations, especially as heat pumps and other efficiency upgrades become more common. But the pay picture is more modest than some headlines suggest: the median wage for HVAC mechanics and installers was about $59,810 as of May 2024, with typical pay ranging roughly $46,000 to $81,000. Six-figure incomes do happen, but usually only after years of experience or a move into supervisory roles, not right out of training. The real test will be whether these new workers stick with the trade once they're hired. Enrollment in two-year HVAC associate degree programs jumped nearly 29% from spring 2024 to spring 2025, showing real interest. Whether that translates into more technicians available in your area long-term depends on whether employers offer steady pay and real paths for advancement, not just entry-level jobs that compete with retail wages.
PJM capacity prices hit price cap, reserve shortfall grows
The grid operator that manages electricity supply across 13 Mid-Atlantic and Midwestern states plus Washington, D.C. — called PJM Interconnection — just ran its yearly auction to line up power supply for 2028-2029. Prices hit the maximum allowed, $325 per megawatt-day, across the whole region. That cap kept prices from spiking even higher: without it, prices would have been much steeper, especially in northern Illinois. Despite the high prices, very little new power supply showed up to bid, and the amount of "demand response" — homes and businesses agreeing to cut electricity use at peak times in exchange for payment — actually fell. PJM is now about 6.8 gigawatts short of its target reserve margin, an increase from the last auction. Part of the strain comes from rising electricity demand tied to data center construction in the region. For most households, this auction shouldn't change your electric bill much right away, since prices came in close to last time's. Large industrial customers are seeing far bigger cost increases than a few years ago, and that gap is expected to continue. Regulators, utilities, and industry groups are now debating changes to how PJM buys power and how data centers are charged, which could affect electricity costs and reliability in the region over the next few years. If you live in a PJM state, it's worth keeping an eye on how these reforms play out, since they'll shape future rates.
PJM Capacity Auction Hits Price Cap for Third Consecutive Time
PJM, the grid operator serving 67 million customers across the Mid-Atlantic and parts of the Midwest, just ran its yearly auction that sets electricity capacity prices for 2028-2029. For the third year running, prices hit the maximum allowed cap. That's the ceiling put in place last April, when a group of state governors negotiated a two-year price limit to try to soften the blow. Even with that cap, costs keep climbing: one independent analysis found PJM customers' total capacity costs jumped from $2.2 billion in 2024 to $14.7 billion the following year, an increase of $12.5 billion. Much of the power secured in this auction will come from fossil fuels rather than cheaper renewables — 46 percent from gas and 18 percent from coal, adding up to 64 percent fossil generation. Critics point to rising electricity demand from data centers as a major driver of these costs. PJM plans a separate "backstop" auction in September aimed at securing power specifically for large energy users like data centers, though it would run under different rules and a different price cap than the regular auction. For homeowners in the PJM region — which spans states including Pennsylvania, Ohio, Virginia, Maryland, New Jersey, and others — this points toward continued upward pressure on electricity bills in the coming years, separate from anything happening at your own house. It's a reminder that home upgrades like better insulation or a heat pump can help offset rising utility costs by cutting how much power your house actually uses.
Science Is Under Attack. But Scientists Are Speaking Up
The White House's Office of Management and Budget proposed a rule on May 29, 2026, that would change how billions of dollars in federal research funding get decided. Instead of relying mainly on peer review, where scientists with relevant expertise evaluate grant applications, the rule would give political appointees more say over which projects get funded, based on whether the work fits the administration's priorities. Grants could be denied or cut off if results are politically inconvenient, and researchers could face new barriers to working with international colleagues or attending conferences. This isn't limited to lab research. The same rules would apply to federal discretionary funding broadly, including disaster relief programs. Critics, including the Union of Concerned Scientists, argue the change would sideline expert review, restrict research on topics like LGBTQ+ health and diversity, and raise constitutional concerns about free speech and the separation of powers between Congress and the president. The public comment period drew nearly half a million responses, with the vast majority opposed, including formal objections from scientific societies covering fields from physics and chemistry to cancer research and astronomy. Some members of Congress have also pushed back. Separately, the Scientific Integrity Act, recently reintroduced in the Senate, aims to build longer-term protections against political interference in federal science and require agencies to base decisions on evidence. For homeowners, this story is about federal policy on research funding rather than a home upgrade program, and it does not change any current rebate or incentive available for energy efficiency projects.
US state of solar report: Q2 2026 was huge for plug-in solar legislation
States were busy with rooftop solar rules this spring. A quarterly tracking report found that 45 states, plus Washington DC and Puerto Rico, took some action on home and small-scale solar policy between April and June 2026 — 284 actions in all. Illinois, Maryland, New Jersey, Virginia, New Hampshire, Connecticut, Maine and Rhode Island saw the most activity. Most of the changes touched net metering (the credit you get for solar power you send back to the grid), community solar (shared solar projects you can subscribe to without panels on your own roof), and fixed monthly charges on utility bills. One trend stood out: half the states considered bills to make "plug-in solar" easier to install. These are small, simple solar setups — think a panel or two that plugs into an outlet — aimed at people who can't put a full system on their roof, such as renters or condo owners. Lawmakers in several states also moved on bigger changes: Connecticut ordered new net-metering and community solar programs, Maryland required a replacement for its net-metering program, Virginia regulators ruled on Dominion Energy's net-metering successor, Texas approved a new solar rate for El Paso Electric customers, and an Arizona court struck down a grid-access charge that Arizona Public Service had been charging solar customers. None of this changes anything at your house immediately, but it signals where state rules on solar credits, fees and community programs are headed. If you're weighing solar or already have it, it's worth checking whether your state made changes to net metering, fixed charges, or new plug-in solar options this year.
Lithium still dominates battery storage – but for how long?
Battery storage, whether paired with home solar or installed on its own, still runs almost entirely on lithium, and prices keep dropping. Battery pack costs fell to about $108 per kilowatt-hour in 2025, down 93% from 2010, with large stationary packs made from lithium iron phosphate (LFP) approaching $70/kWh. LFP is the version of lithium chemistry favored for home and grid storage because it holds up better to heat, lasts longer, and costs less than the nickel-based lithium batteries used in electric cars. These cost drops are one reason storage batteries have become more affordable for homes and businesses, with some commercial projects now paying for themselves in three to five years. A newer technology, sodium-ion batteries, is starting to reach the market. Sodium-ion stores less energy for its size than lithium and isn't yet made at large scale, but it may perform better in cold weather and could ease reliance on lithium supply chains, much of which run through China. For now, sodium-ion looks more like a complement to lithium than a replacement, useful for applications where compact size matters less. For homeowners, the practical takeaway is that LFP lithium batteries remain the standard choice for home storage systems for the foreseeable future, and their falling prices are part of why storage has become more affordable to pair with rooftop solar or backup power setups. No shift away from lithium is expected soon, though the market may eventually offer more chemistry options depending on the specific need.
As rooftop solar grows, industry expert warns of rising fire risks
A solar industry engineer is raising concerns about fire risks tied to rooftop solar panels, pointing to a recent Los Angeles warehouse fire that involved a rooftop solar array and burned for days, producing heavy smoke. Lawrence Shaw, an Arizona-based solar installer, has modeled fire trends using U.S. Fire Administration data and projects that California alone could see 122 solar-related fires by 2030, with most of the nation's incidents concentrated in the Southwest. Shaw's main concern is heat. He argues that panels mounted flush against roofs, without enough of a gap for air to circulate, trap heat that can damage electrical components and raise fire risk. He recommends leaving more than six inches of space between panels and the roof, though he acknowledges this clashes with the look many homeowners and neighborhood codes want, since visible gaps make solar installations less sleek and less discreet. None of this means solar panels are unusually dangerous. Shaw compares them to electrical transformers, which occasionally fail or catch fire simply because there are so many installed, not because the technology itself is flawed. His worry is that as rooftop solar keeps growing, especially in urban and suburban areas where open land is scarce, familiarity with these systems among homeowners and emergency responders hasn't kept pace. He's pushing for industry-wide safety standards, better fire-incident recordkeeping, and alternatives like ground-mounted solar canopies over driveways, which stay naturally ventilated. For homeowners, the takeaway is less about panic and more about awareness of how their own system is mounted and ventilated if they already have or are considering rooftop solar.
Where Do We Go From Here, Part 1
This is a personal account from a clean energy advocate who lived through Hurricane Helene in Western North Carolina in September 2024. He describes flying home to Asheville as the storm hit, then the aftermath: no power, water, internet, or cell service for days, downed trees blocking roads, and a harrowing trip to check on his parents through washed-out neighborhoods. The storm's toll was severe: 250 deaths, including 157 in the Asheville area, 125,000 housing units damaged or destroyed, 6,000 miles of roads and more than 1,000 bridges and culverts damaged, and 160 municipal water and sewer systems affected. Total damage reached $80 billion, with $60 billion in North Carolina alone. The piece notes that 96 percent of property damage from the flooding and landslides in North Carolina was uninsured, leaving many residents to cover repairs themselves. More than 2,000 landslides added an estimated 6.6 million cubic yards of debris to local waterways, and clearing it required about 85,000 dump-truck loads. The author cites research finding that record-hot Gulf of Mexico waters, made far more likely by climate change, fueled the storm's strength, and that climate change made Helene's heavy rainfall 70 percent more likely. He argues no region, including places once seen as sheltered from climate extremes, is safe from these risks. There is no rebate program or homeowner action mentioned here; this is a reflection on the storm's toll, with a second part promised.
Hoymiles introduces first UL 3700-compliant plug-in microinverter to U.S. market
A new device could make small-scale, plug-in solar power a real option for renters and homeowners without room for a full rooftop system. Hoymiles has released the HiFlow Pro, a microinverter made for plug-in solar setups—small panels that plug into a regular outlet and work on balconies, patios, or small roof spaces. It's the first product in the U.S. to meet a new safety standard called UL 3700, which sets rules specifically for this kind of consumer-installable solar gear, covering things like shutting off safely and preventing power from backing up into the grid. The microinverter converts the panel's power efficiently, even as sunlight conditions change, and is built to handle dust, water spray, and a wide range of temperatures. You can connect up to four of these units at once, giving a combined output of 1,200 watts while staying within the electrical limits of a normal household circuit. Setup is meant to be simple: the company says it takes under a minute, using Bluetooth and Wi-Fi to pair with a phone app for monitoring. The bigger idea behind the product is access—plug-in solar could let renters and people in apartments or multi-family buildings generate some of their own power without the cost or commitment of a permanent rooftop system. If this approach catches on, it may open up solar to households that couldn't consider it before, though availability and rules for plug-in solar can still vary depending on where you live.
Unprecedented Earth: Record Super El Niño, Marine Heatwaves, and Heat Domes
Climate scientists say a strong El Niño, a natural warming cycle in the Pacific Ocean, is likely to become the strongest ever recorded, with forecasts giving it roughly 90% odds. Combined with ongoing warming from fossil fuel emissions, models project global temperatures could spike far above the 1.5°C and 2°C limits set in the Paris climate agreement, possibly reaching monthly readings of 2°C or more in early 2027. Ocean surface temperatures are already breaking records, and marine heat waves, patches of unusually hot ocean water, now cover close to 40% of the world's oceans, including areas near Europe that helped fuel a deadly heat dome there last month. That same pattern of ocean heat is tied to a heat dome now sitting over the western United States, expected to last through the end of July. Salt Lake City and Helena, Montana have already broken all-time high temperature records, and researchers say climate change made those extreme temperatures roughly five times more likely. For homeowners, this points to more frequent and more intense heat waves in the years ahead, not just a one-time event. Cooling costs and heat exposure are likely to keep climbing as these patterns continue. If your home relies on an older air conditioner or has poor insulation, hotter summers like this one raise the stakes for how well your house holds up during extended heat, and it may be worth looking into what upgrades or rebates are available in your state to improve cooling efficiency and comfort.
The grid’s fastest-growing resource isn’t generation. It’s flexibility.
Electricity demand is rising fast, mostly from data centers and growing electrification, and building new power plants and power lines to keep up takes years. This piece argues that a faster fix already sitting in homes and businesses is "flexibility" — the ability to shift when and how electricity gets used, stored, or sent back to the grid. That includes things like home batteries, smart thermostats and appliances, and electric vehicles that can eventually feed power back into a home or the grid (called vehicle-to-grid, though that technology is still early and not widely available yet). The bigger story here is about how the grid is run, not new gadgets you'd buy. PJM, the regional grid operator covering much of the mid-Atlantic and parts of the Midwest, is under pressure from federal regulators to speed up how it approves new rules for flexible power use and connects big new users like data centers to the grid. A federal hearing on July 23 will look at whether PJM's decision-making process — which the author says has taken years to approve even simple changes — can move fast enough to make room for flexibility resources. For homeowners, there's no direct action here. But if your utility is in PJM's territory, this debate could eventually shape whether programs that pay you for using less power at peak times, or for letting your EV or battery help the grid, expand and pay more, or stay stuck behind slow rule-making.
Petroleum markets responded to disruptions in the Middle East in the second quarter
Oil prices swung sharply in the spring after shipping disruptions in the Strait of Hormuz, a key Middle East waterway that much of the world's oil passes through. Brent crude, a global oil price benchmark, hit $118 a barrel in late April, then fell to $72 by late June as tensions eased. A June 17 agreement between the U.S. and Iran aimed at reopening the strait helped prices settle down through the rest of the quarter, though renewed strikes in early July pushed prices back up. The disruption also squeezed supplies of gasoline, diesel, and jet fuel worldwide, which pushed U.S. refineries to run harder than usual and export more fuel abroad. U.S. distillate (diesel and heating oil) exports and jet fuel exports both hit record highs, as other countries turned to American refiners to make up for lost supply. Refiners shifted some production toward jet fuel in particular, since global demand for it jumped the most. For homeowners, the main takeaway is that oil and fuel markets stayed volatile this spring due to overseas events rather than anything happening domestically. If you use heating oil or diesel for home heating, prices may have moved with these swings rather than settling into a predictable seasonal pattern. Gasoline markets were also tighter than usual, with refinery margins running well above last year's levels. None of this points to a new rebate or program, but it helps explain why fuel prices bounced around more than normal this spring and early summer.
The Pentagon is blocking more than 150 wind projects over drone fears
The Pentagon has effectively frozen permitting for more than 155 new wind projects across 24 states, citing concerns that wind turbines could interfere with military radar and create risks around drones. The military has long reviewed wind projects because spinning turbine blades and steel towers can confuse radar systems, but officials now say existing fixes may not address newer drone threats. The freeze has lasted almost a year, with no word on when or if approvals will resume. Without this sign-off, developers say they can't get financing or insurance, so projects can't move forward. Wind industry groups call the freeze politically motivated and say it has already added $2 billion in costs, with some projects possibly missing a July 4 deadline to qualify for federal tax credits under the 2025 One Big Beautiful Bill Act. A coalition of energy companies has sued the Department of Defense, arguing the freeze was imposed without the normal public notice process and could cause delays serious enough to make some projects financially unworkable. The Pentagon argues it's simply taking time to review national security risks and doesn't owe the public formal notice since it hasn't changed any rule. This dispute affects large-scale wind farms and the broader supply of wind power nationally, not something that shows up directly on an individual utility bill right away. But if you live in one of the affected states, it's part of a pattern of slower approvals and cancellations reshaping how much wind energy gets built in the coming years.
Fastest Renewable Energy Growth Ever
A new global report finds renewable electricity generation grew 9.8% in 2024, the fastest pace on record, while non-renewable generation rose just 1.4%. Renewables now make up 31.7% of the world's electricity, driven largely by solar and wind. Asia led growth in absolute terms, and the Middle East posted the fastest regional growth rate at 17.3%. The report also points to a steep climb ahead. Turkey, which will host the next major UN climate conference, has set a goal of getting 35% of the world's total energy demand (not just electricity) from clean sources by 2035. Meeting that would mean renewables jumping from today's 31.7% share of electricity generation to about 78% within a decade, roughly 2.5 times current levels. Separately, the pace of new renewable capacity being built also hit a record in 2025, with renewables now accounting for just under half of all installed electricity-generating capacity worldwide. None of this changes any specific program, rebate, or deadline for homeowners. It is a snapshot of where the broader energy system is headed: toward more solar and wind on the grid, and toward electricity playing a bigger role in heating, transportation, and industry generally. For a homeowner weighing an upgrade like a heat pump or rooftop solar, the trend suggests the electricity you'd be relying on is getting cleaner over time, though how fast that happens where you live still depends on your own state's utilities and policies.
WattHub develops solar rooftop and carport project for California medical association
A homeowners association in Foothill Ranch, California has switched on a new solar system, combining rooftop panels and solar carports, at its Foothill Medical Center property. The system is expected to produce about 506 megawatt-hours of electricity a year. It was developed by WattHub Renewables and built by SunRenu Solar. What makes this deal notable is how it was paid for. The association got the solar system and a full reconditioning of its roofs at no upfront cost. WattHub structured the deal as a power purchase agreement, meaning the association pays for the electricity the system generates rather than paying for the equipment itself, and the payments cover both the solar installation and the roof work. According to WattHub, this approach solves a common problem for older buildings: they need a new roof before solar makes sense, but the roof cost alone often stops the project. For homeowners, this is mainly a commercial and HOA story rather than something that changes options for a single-family house. But it points to a financing pattern worth knowing about: pairing solar with necessary roof repairs under one contract and one bill, rather than treating them as separate expenses. WattHub says it plans to apply the same model to other commercial HOAs in Southern California, so homeowners in shared communities with aging roofs may see similar offers in the future.
AI threatens Big Tech’s clean energy agenda
Amazon, Google and Microsoft are pouring roughly $750 billion combined into data center expansion in 2025 and 2026, mostly to run AI. That building boom is driving up their electricity use and, with it, their reported carbon emissions. Google's power consumption jumped 37 percent in 2025 to 43.6 million megawatt-hours, its biggest single-year increase ever and enough to power the state of Washington for a year. Microsoft's electricity use rose 24 percent, and its emissions tied to that power climbed 21 percent. Amazon reported a 34 percent rise in emissions from electricity, though it did not disclose total power use. None of the three has walked back its long-term climate targets, which mostly point to 2030 and beyond. To get there, they are leaning on nuclear power: Amazon has signed deals for close to 2 gigawatts plus two new projects this year, Microsoft is backing experimental fusion technology, and Google has committed to nuclear capacity in Ohio. They are also investing in large batteries to store solar and wind power so it can be used around the clock, and in clean power projects in Asia, a region all three flag as harder to decarbonize. This is a corporate energy story rather than a homeowner one. It does not change any rebate program, tax credit, or home upgrade option. It does matter for the bigger picture of the country's electric grid, since AI's growing appetite for power is now shaping how much clean energy gets built, where, and how fast.
Data center power shifts favor BESS, solid-state transformers
This is news about how data centers get their power, not something that changes your own energy bill or upgrade options directly. But it points to some shifts worth knowing about if you're paying attention to where energy demand and grid strain are heading. Data center builders are moving away from diesel backup generators toward battery storage systems, similar in concept to home battery backups but at a massive scale. They're also using "solid-state transformers," a newer, more efficient type of equipment for converting electricity, which can cut out much of the hardware traditionally needed. Interestingly, some of the same battery and inverter makers that supply home solar systems, including Enphase and SolarEdge, are being eyed for this data center work, since their equipment is technically capable of the job. The other trend is that smaller, local data centers, sometimes called "inference nodes," are being built or expanded using local microgrids rather than waiting years for a utility to connect them to the main grid. This reflects a broader push toward smaller, localized power systems instead of relying entirely on utility buildout. None of this changes what's available to homeowners right now in terms of rebates or upgrades. But it's a sign that batteries and localized power systems are becoming central to how the country handles rising electricity demand, not just backup for storms, but a core part of new energy infrastructure.
Solar inverter manufacturer EPC Power expands for data center demand
Inverter maker EPC Power is opening a second factory in Fountain Sc, nearly tripling its production capacity. An inverter is the equipment that converts power from solar panels or batteries into the type used in homes and on the grid. The company says the new 167,000-square-foot plant is a response to rising demand for power equipment used in AI data centers, not homeowner solar directly. The factory will build the company's M and MRACK series inverters, which are used for solar, grid, and battery storage systems, as well as data centers. EPC Power expects the plant to reach full production by the end of July, adding 27 gigawatts of annual capacity, and says it will create 275 new jobs. For a homeowner, this news is mostly about industry supply chains rather than anything that changes costs or rebates on your own roof. More domestic inverter manufacturing capacity could, over time, help keep supply steady for solar and battery equipment used in home installations, since it reduces reliance on imported components. But this expansion is aimed at utility-scale and data center customers, so it does not come with any new incentive, rebate, or program that directly affects homeowners right now.
Unique non-subscription community solar array proposed for Boise, Idaho
Boise is moving ahead with its first community solar project, a $50,000 pilot included in the city's FY 2027 budget, which the City Council has advanced with a final vote set for August 25. Solar panels donated by a local company will go on the roof of a city-owned building. This will lower that building's power bills for more than 20 years, and the city plans to give $5,000 of those savings each year to El-Ada Community Action Partnership, a group that helps low-income residents with rising power bills. That's what makes it "community solar" — the savings are shared with people across the city rather than just benefiting one property owner. The project follows more than two years of pressure from Idaho Sierra Club's youth team, who pushed the city to follow through on a 2019 commitment to build 500 kilowatts of community solar every five years starting in 2025. The timing also matters for cost: federal tax credits for large solar projects are set to expire at the end of next year under recent federal legislation. By building in FY 2027, the city can still claim a 30% tax credit through a program called Direct Pay, which lets municipalities receive that credit directly. This particular project won't put panels on anyone's home or offer a subscription homeowners can sign up for. But it signals that Boise is restarting its community solar efforts, and a similar project is in the works in Moscow, Idaho. Homeowners interested in local solar options may want to watch for how these pilots expand.
Commercial Water Heater Platform Marks 30 Years
A.O. Smith is marking 30 years of its Cyclone commercial water heater line with updates to the Cyclone Flex, a high-efficiency model. The company says the new version is easier to install, operate, and service. Models range from 100,000 to 500,000 Btuh and reach thermal efficiencies up to 98 percent, meaning very little of the fuel's energy is wasted as it heats water. The updated unit uses a coil-style heat exchanger and an automatic gas control that adjusts to different fuel types on its own, so installers no longer need separate models or conversion kits for different gas supplies. It also connects to the internet for over-the-air software updates, and it has built-in leak detection with an optional automatic water shutoff, which can help limit damage if a leak occurs. This is commercial-grade equipment, built for large buildings rather than houses, so it will not show up as an option for a typical home water heater replacement. But the features involved, like automatic leak detection and shutoff, and gas controls that adapt to fuel changes, are the kind of technology that sometimes trickles down into residential products over time. For now, this is mainly a manufacturer milestone and product update rather than something that changes what's available for your own home.
The 10 Top Battery Integrators in the World
Research firm Wood Mackenzie has published its first ranking of the world's top makers of grid batteries — the large battery systems that utilities and power companies install to store electricity, not the kind homeowners put in their garage. The ranking covers "integrators," companies that build complete battery systems combining the battery, power electronics, and safety controls into one unit. Sungrow topped the list, followed by Tesla, CATL, and BYD. Rounding out the top ten were Fluence (the other US company), South Korea's LG, Finland's Wärtsilä, and several more Chinese firms. Six of the ten companies are Chinese. The report notes that global battery storage installations passed 100 gigawatts in a single year for the first time in 2025, a sign of how central these systems have become to power grids. Wood Mackenzie says buyers now pick suppliers based on more than price: companies that make their own core components, invest heavily in research, and can show years of installation experience are pulling ahead. Most of the top ten have over a decade of experience, make at least one major component themselves, and are turning a profit — factors that matter for long-term reliability and warranty support. None of this changes anything about home energy upgrades directly. These are utility-scale systems, not home battery products. But the ranking gives a sense of which battery makers are financially stable and technically strong industry-wide, which is useful background if you're ever comparing brands for a home battery tied to solar panels.