Solar farms in Idaho
14 operating solar farms in Idaho with 827 MW of solar capacity, largest first. From EIA-860M, August 2026.
Plants
14
Solar capacity
827 MW
Net generation, 2025
1.63 TWh
13 of 14 plants reported
Largest solar farms in Idaho
| # | Plant | Solar MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Matrix Pleasant ValleyAda County | 200 | 460* | – |
| 2 | Pleasant Valley Solar 2 ProjectAda County | 125 | – | – |
| 3 | Jackpot Solar, LLCTwin Falls County | 120 | 275 | 26.1% |
| 4 | Franklin Solar HybridTwin Falls County | 100 | 252 | 28.8% |
| 5 | Grand View Solar TwoElmore County | 80 | 184 | 26.2% |
| 6 | ID SolarAda County | 40 | 92.2 | 26.3% |
| 7 | Black Mesa Solar, LLCElmore County | 40 | 89.2 | 25.4% |
| 8 | Mt. Home Solar 1, LLCElmore County | 20 | 48.5 | 27.7% |
| 9 | Murphy Flat SolarOwyhee County | 20 | 40.9 | 23.4% |
| 10 | Orchard Ranch SolarAda County | 20 | 45.7 | 26.1% |
| 11 | American Falls SolarPower County | 20 | 43.9 | 25.0% |
| 12 | American Falls Solar IIPower County | 20 | 45.4 | 25.9% |
| 13 | Simcoe SolarElmore County | 20 | 48.9 | 27.9% |
| 14 | Clif Bar Bakery of Twin FallsTwin Falls County | 1.6 | 2.6 | 18.3% |
* Fewer than 12 months of 2025 reported, so the total is partial.
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