US Home Battery Installations Hit Record High On Rising Electricity Costs
6 93An anonymous reader quotes a report from Ars Technica: US homeowners have embraced home batteries in record-breaking numbers in early 2026, spurred on by state incentives while seeking to offset rising residential electricity costs. The trend could even unlock a more flexible energy supply for power grid operators and even AI data centers. New home battery installations reached a record 673 megawatts of energy storage in the first quarter of 2026, according to the US Energy Information Administration. That trend was driven by states with high electricity prices that have implemented policies to incentivize home battery installation, Bloomberg News reported.
This residential battery trend stands out as a natural next step for states that have already successfully boosted rooftop solar adoption among homeowners, given how batteries enable homeowners to use stored solar energy at night. California and Hawaii accounted for the majority of new residential battery storage, while Texas and Arizona also saw significantly higher numbers of installations. California incentivizes homeowners with solar panels to also install batteries by offering better pricing for residential electricity exported to the grid after sunset, Bloomberg reported. Hawaii offers a one-time payment of $400 for every kilowatt of battery storage that homeowners install.
However, the record-breaking home battery installations coincided with a slowdown in residential installations of solar panels -- the result of the Trump administration and Republican-driven One Big Beautiful Bill having eliminated a 30 percent federal solar tax credit for homeowners. Nonetheless, US electricity generation from solar power continues to rise and even surpassed coal-fired generation in April. The battery installation spree also coincides with rising electricity costs for US residential customers. The Energy Information Administration's latest data shows that the nationwide average for residential electricity costs increased by more than 7 percent in April 2026 when compared to electricity costs in April 2025. So homeowners with smart home battery-management systems could benefit from storing energy when electricity prices are lowest and draining them during peak demand periods.
6 comments
The reason I got it (Score: 5, Interesting)
by OrangeTide ( 124937 ) on Wednesday July 01, 2026 @11:44PM (#66219336)
It got a lot cheaper compared to what it cost 5 years ago. Also, for people who don't have net metering, it's often (always?) better to charge your own battery than sell solar back to the power company.
Re:The reason I got it (Score: 5, Informative)
by Powercntrl ( 458442 ) on Thursday July 02, 2026 @01:45AM (#66219402)
It got a lot cheaper compared to what it cost 5 years ago.
Last time I looked at it, the time-of-use rate plan offered by my utility worked out to where the savings would just about pay for the cost of a battery installation right around the time the batteries are pretty much shot. You're also gambling that there isn't going to be any out-of-warranty failures with the inverter/charging equipment before you've achieved ROI, too. Plus if you have to add financing into the mix to pull it off, forget it - then the only entity actually making any money from this scheme is the damn bank.
Obviously, if you got a subsidy or use an insane amount of power so the savings adds up more quickly, batteries might end up being worth it. Here in Florida though, batteries aren't likely to save you any money, but solar might (again though, you're kind of gambling that a hurricane isn't going to trash your panels).
Re:The reason I got it (Score: 5, Informative)
by OrangeTide ( 124937 ) on Thursday July 02, 2026 @02:24AM (#66219422)
I save a bit of gasoline on the 15 or so days I'm without power. I already had solar, so it seemed a little silly sitting in the dark with nothing to run my water pump to flush the toilet. I was also in a situation where the inverter on my solar system had died and the original manufacturer was out of business. There was not a huge cost difference in getting an refurbished identical replacement versus something fancier that switches between house battery, EV battery, generator, solar, and grid tied. Pays for itself in 60 years, if I go by time of use billing, but I arranged to keep net metering so it's more like a 27 year break-even for me in part because my battery system is oversized and expensive.
For rural living, it's worth it, makes a huge difference for us. As an investment that saves you money, it depends, answer is often "no". But it is insured and warrantied. So not really so much of a gamble, most scenarios are covered.
Re: The reason I got it (Score: 5, Interesting)
by pixelpusher220 ( 529617 ) on Thursday July 02, 2026 @11:48AM (#66219920)
Florida has invented the 'disappearing' insurance company though.
Unlike the MAGA general population, actuaries can do math and are "Peace Out" of the entire state.
If you can even get Home Owners insurance the premiums make solar and batteries look CHEAP.
Re:Kilowatt (Score: 5, Informative)
by dsgrntlxmply ( 610492 ) on Thursday July 02, 2026 @12:32AM (#66219352)
It looks like abridged reporting. A quick search suggests that it is a one time payment of $400 / kW capacity feedable back to the grid for a 2 hour interval daily, with a contractual commitment of some number of years. BYOD Plus [hawaiianelectric.com]
Re:Silver linings (Score: 5, Insightful)
by Sique ( 173459 ) on Thursday July 02, 2026 @05:00AM (#66219538)
Additionally, diesel generators need regular diesel transport, while a solar+battery installation, once in place, does not require outside resources. You could even transport solar panels and batteries with a motorcycle along a foot path, which is much more complicated with a diesel generator. And a solar+battery installation is easily scalable, while a diesel generator is not.