Wind (91.05GW) and large-scale solar (33.95GW) combined for 10.53% of the 1.18TW (terawatts) available US generating capacity on 31 July, as the two renewable sources become an increasingly important part of the country's electric power portfolio, according to latest Federal Energy Regulatory Commission (FERC) data.

Wind was 7.67% of total installed generating capacity versus 7.2% a yer earlier, or 85.71GW,