U.S. installed 26 gigawatts of new clean power in 2020; 170 GW of capacity enough to power 50 million homes Industry employs 415,000 Americans and has invested $334 billion in the U.S. economy since 2005 with more growth coming The American Clean Power Association today released its first Clean Power Annual report, which showed wind, utility solar, and battery storage power capacity in the U.S. topped 170 gigawatts (GW), following a record 26 GW of clean energy projects coming online in 2020.