Wind has overtaken large hydro as the top US installed renewable power generating source, while utility-scale solar PV has surpassed fuel oil, according to latest Federal Energy Regulatory Commission (FERC) figures.

On 30 September, there was 100.85GW of wind power capacity installed in 41 states, 8.4% of the nation’s 1.2TW (terawatt) total available generation base, slightly ahead of 100.76GW of large hydro (8.39%).