Muscle Shoals
Colbert County, Alabama · EIA plant ID 62462 · Operator: Muscle Shoals Solar, LLC
Nameplate227MWSummer 227 MW
Generators1in service
Net generation428GWh12 mo to Aug 2026
Capacity factor22%solar units, summer MW
Heat rate—thermal plants only
First online2021
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), solar units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2021 | 112.9 | 17.0% | — |
| 2022 | 490 | 24.6% | — |
| 2023 | 448.9 | 22.6% | — |
| 2024 | 424.4 | 21.3% | — |
| 2025 | 426.6 | 21.4% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| GEN01 | Solar Photovoltaic | PV | 227 | 227 | Sep 2021 | Operating | — | coming soon |
Owner / operator
Operator: Muscle Shoals Solar, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Muscle Shoals Solar, LLC | 100.0% | 227 MW |
Nearby plants
Within 80 km.
| Colbert | 1,170 MW | 5.9 km |
| River Bend Solar, LLC | 75 MW | 8.9 km |
| Spring Valley Solar 2 | — | 24.4 km |
| Wilson Dam | 667 MW | 25.7 km |
| Packaging Corp of America | 73 MW | 45.1 km |
| Pickwick Landing Dam | 240 MW | 45.7 km |