According to the latest U.S. Energy Storage Monitor report, home energy storage system deployments reached record highs in the first quarter of 2018.

The report, issued by GTM Research and the Energy Storage Association (ESA) earlier this week, concluded that 35.8 megawatt-hours (MWh) of grid-connected residential energy storage systems were deployed in the first three months of this year. This gain is as much as was deployed in the previous three quarters combined.

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Such gains contributed to a 26 percent overall growth in the U.S. energy storage market, even though the market has declined by 46 percent year-over-year. GTM Research predicts that annual residential energy storage deployments will surpass 1,000 MWh in just two years. Much of this has been driven by significant efforts on the part of California and Hawaii, which made up 74 percent of residential deployments in the first quarter.

Read more: Daily Energy Insider