Utility-scale projects, the usual workhorse of the energy storage industry, dropped massively compared to last year’s Q1, when the Aliso Canyon procurements came online and set a record for energy capacity. US residential energy storage deployment reached 15.9 MW in Q1 , beating commercial deployments ' 12 MW and nearing utility - scale deployment of 16 MW , according to Energy Storage Research from GTM Research and the Energy Management Association . Brett Simon from GTM Research cited greater awareness and lower cost for the growing popularity of the sector . The greatest demand was in Hawaii and California , with the latter 's residential sector experiencing a 3,833 % YoY increase in MW , and 22 % rise in MWh . The California Energy Commission 's ruling that all new homes will have to include rooftop solar from 2020 will add 26 % to projections for 2020 onwards , GTM Research said .
US residential energy storage deployment reached 15.9 MW in Q1 , beating commercial deployments ' 12 MW and nearing utility - scale deployment of 16 MW , according to Energy Storage Research from GTM Research and the Energy Management Association . Brett Simon from GTM Research cited greater awareness and lower cost for the growing popularity of the sector . The greatest demand was in Hawaii and California , with the latter 's residential sector experiencing a 3,833 % YoY increase in MW , and 22 % rise in MWh . The California Energy Commission 's ruling that all new homes will have to include rooftop solar from 2020 will add 26 % to projections for 2020 onwards , GTM Research said .