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According to FERC, U.S. solar developers have added 21.2 GW of solar through September 2025. This is more than the 20 GW added through September 2024.
Solar energy represents the majority of power capacity added to the grid until September 2025, which totaled 28.2 GW.
Solar energy now represents 11.78% of all U.S. installed generating capacity, according to FERC. Natural gas has the largest share (42.2%), followed by coal (14.61%), wind energy (11.8%), nuclear energy (7.8%) and hydropower (7.6%).
Projects brought online in September include:
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Sebree Solar LLC’s 250.0 MW Sebree Solar project in Henderson County, Kentucky.
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174 Black Hollow Sun LLC of 150.0 MW from Power Global Corp in Pueblo County, CO.
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Eldorado Solar Project II LLC’s 150.0 MW Eldorado Solar Project in Saline County, Illinois.
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Daggett Solar Power 1 LLC’s 149.0 MW Daggett 1 project in San Bernardino County, CA.
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Escape Solar LLC’s 115.0 MW Escape solar power plant in Lincoln County, NV.
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Bluebird Solar LLC’s 100.0 MW Bluebird Solar project in Harrison County, Kentucky.
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Faraday Solar A LLC’s 85.3 MW Faraday Solar A project in Utah County, UT.
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Faraday Solar B LLC’s 85.3 MW Faraday Solar B project in Utah County, UT.
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Faraday Solar C LLC’s 85.3 MW Faraday Solar C project in Utah County, UT.
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Faraday Solar D LLC’s 85.3 MW Faraday Solar D project in Utah County, UT.
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Faraday Solar E LLC’s 85.3 MW Faraday Solar E project in Utah County, UT.
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Faraday Solar F LLC’s 85.3 MW Faraday Solar F project in Utah County, UT.
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Faraday Solar G LLC’s 85.3 MW Faraday Solar G project in Utah County, UT.
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Bronson Solar LLC’s 74.5 MW Bronson Solar project in Levy County, FL.
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Faraday Solar H LLC’s 55.8 MW Faraday Solar H project in Utah County, UT.
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Faraday Solar I LLC’s 55.8 MW Faraday Solar I project in Utah County, UT.
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Faraday Solar J LLC’s 55.8 MW Faraday Solar J project in Utah County, UT.
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Richland Township Solar II LLC’s 10.8 MW Richland Township Solar II project in Marshall County, Illinois.
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SG Oneida PV LLC’s 7.1 MW Project Oneida East Solar Facility in Oneida County, NY.
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Pope Creek Solar LLC’s 5.7 MW Pope Creek Solar project in Mercer County, Illinois.
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Geer Rd Solar 2 LLC’s 5.0 MW Geer Rd Solar 2 project in Washington County, NY.
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Lincoln LI18 Solar LLC’s 5.0 MW Lincoln LI18 Solar LLC in Livingston County, Illinois.
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Longleaf Pine Solar LLC’s 5.0 MW Longleaf Pine Solar project in Davie County, NC.
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New Paris Road Solar 1 LLC’s 5.0 MW New Paris Road Solar 1 LLC in Oneida County, NY.
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Nexus NSF Solar Investco LLC’s 5.0 MW solar Nexus NSF Edmeston 1 project in Otsego County, NY.
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Pivot Energy’s 5.0 MW Pivot Solar 32 project in Morgan County, CO.
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Williams Solar LLC’s 5.0 MW Williams Solar project in Johnston County, NC.
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