FERC: Renewables made up 88% of new US power generating capacity to Nov 2025
New solar and wind capacity additions in November were the second highest in 2025 and accounted for 93% of that month’s total. Solar continues to dominate new capacity additions and has held the lead among all energy sources for 27 consecutive months, according to data released by the Federal Energy Regulatory Commission (FERC) and reviewed by the SUN DAY Campaign.