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' 11.7 MW and nearing utility-scale deployment of 16 MW, according to Energy Storage Monitor from GTM Research and the Energy Storage 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 4,324% 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.