Homeowners in the United States installed 673 megawatts of battery storage in the first three months of 2026, a new record that is all the more interesting because it happened even after the federal government stripped the incentives that had previously been fueling the rise in solar installs. Most of the installations were in California (375 megawatts) and Hawaii (130 megawatts), which both incentivize battery installations at the state level. California installed 1.2 megawatts of residential storage for every one megawatt of solar. Hawaii offered homeowners a one-time $400 cash incentive for every kilowatt of battery storage added.
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