Solar farms in Wyoming

2 operating solar farms in Wyoming with 242 MW of solar capacity, largest first. From EIA-860M, August 2026.

Plants

Solar capacity

242 MW

Net generation, 2025

496 GWh

Largest

South Cheyenne Solar

150 MW

Largest solar farms in Wyoming

#	Plant		Solar MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	South Cheyenne SolarLaramie County		150	323	24.6%	Southern Power Co
2	Sweetwater SolarSweetwater County		92	173	21.5%	Onward Energy

Projects where solar is the largest fuel or at least a fifth of nameplate capacity. MW is solar nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

More power plant lists for Wyoming

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All plants in Wyoming Largest solar farms in the US