FERC: Solar + wind made up 90% of new US power generating capacity to July 2025

Solar and wind accounted for 90% of new US electrical generating capacity added in the first seven months of 2025, according to data just released by the Federal Energy Regulatory Commission (FERC). In July, solar alone provided 96% of new capacity, making it the 23rd consecutive month solar has held the lead among all energy sources.

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