<div id="readability-page-1"><figure><img width="1600" height="800" src="https://imageproxy.pbkrs.com/https://electrek.co/wp-content/uploads/sites/3/2026/02/totalenergies-texas-solar-farms_2026-1.jpg/query-cXVhbGl0eT04MiZzdHJpcD1hbGwmdz0xNjAw?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" original-src="https://imageproxy.pbkrs.com/https://electrek.co/wp-content/uploads/sites/3/2026/02/totalenergies-texas-solar-farms_2026-1.jpg/query-cXVhbGl0eT04MiZzdHJpcD1hbGwmdz0xNjAw"/><figcaption>Photo: TotalEnergies</figcaption></figure><p>Solar accounted for more than 72% of US electrical generating capacity added in 2025, with another 16% from wind, according to belatedly released data from the Federal Energy Regulatory Commission (FERC) reviewed by the SUN DAY Campaign.</p><span id="more-462043"></span><p>When it comes to new capacity additions, solar has held the lead among all energy sources for 28 consecutive months. Installed utility-scale solar capacity now exceeds the individual capacities of wind, hydropower, and nuclear power. Further, FERC expects solar to add another 86 gigawatts (GW) over the next three years, during which time solar capacity will also surpass that of coal.</p><h2 id="h-solar-was-83-of-new-generating-capacity-in-december">Solar was 83% of new generating capacity in December</h2><p>In its latest monthly “Energy Infrastructure Update” report (with data through December 31, 2025), FERC says 17 “units” of solar totaling 993 megawatts (MW) were placed into service in December, accounting for 83.2% of all new generating capacity added during the month. </p><p>The 710 utility-scale (&gt;1 MW) solar units added during 2025 total 26,556 MW and accounted for 72.6% of the total new capacity placed into service by all sources.</p></div>

RNRG

<p>In 2025, renewables constituted 88% of new US power generating capacity, with solar leading at over 72% and wind contributing 16%, according to the Federal Energy Regulatory Commission (FERC). Solar has dominated new capacity additions for 28 months, surpassing wind, hydropower, and nuclear. FERC anticipates an additional 86 gigawatts of solar capacity in the next three years, exceeding coal capacity. In December alone, solar accounted for 83.2% of new capacity, with 993 megawatts added.</p>

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FERC: Renewables made up 88% of new US power generating capacity in 2025