River Fork Solar, LLC
Calhoun County, Michigan · EIA plant ID 67008 · Operator: River Fork Solar, LLC
Nameplate149MWSummer 149 MW
Generators1in service
Net generation285GWh12 mo to Aug 2026
Capacity factor22%solar units, summer MW
Heat rate—thermal plants only
First online2024
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) |
|---|---|---|---|
| 2024 | 23.1 | 7.0% | — |
| 2025 | 293.4 | 22.5% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| RFSLR | Solar Photovoltaic | PV | 149 | 149 | Oct 2024 | Operating | — | coming soon |
Owner / operator
Operator: River Fork Solar, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| River Fork Solar, LLC | 100.0% | 149 MW |
Nearby plants
Within 80 km.
| Shipsterns Solar, LLC | 20 MW | 2 km |
| The Andersons Albion Ethanol LLC | 10 MW | 3.9 km |
| Calhoun County Solar Project | 125 MW | 5.6 km |
| Jackson County Solar, LLC | 125 MW | 8.1 km |
| Hecate Energy Sunfish Solar LLC | — | 14.7 km |
| Marshall (MI) | 10 MW | 15.3 km |