The uptick in home battery installations is yet another sign that the era of battery storage has arrived in the U.S.
That figure — known as the residential attachment rate — jumped from just under 10 percent in 2022 to 12.3 percent last year. This year, energy research firm Wood Mackenzie estimated that it will soar to 25 percent.
The surging interest in home batteries — which are almost always purchased to store power from solar arrays — comes as the country’s rooftop solar market craters. Installations are expected to fall by 19 percent this year, according to the Solar Energy Industries Association.