Developers added 12 gigawatts (GW) of new utility-scale solar electric generating capacity in the United States during the first half of 2025, and they plan to add another 21 GW in the second half of the year, according to our latest survey of electric generating capacity changes. utilities and independent power producers will add 26 gigawatts (GW) of solar capacity to the U. Last year, the electric power sector added a record 37 GW of solar power capacity to the electric power sector, almost double 2023 solar. . What follows are the top 10 solar power plants that are actually operational and verifiably producing power as of 2025. No speculative or half-built megaprojects and planned expansions. The manufacturing surge comes from eight new or expanded factories in Texas, Ohio, and Arizona, according to the U.
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