White Tail Solar
Washtenaw County, Michigan · EIA plant ID 67678 · Operator: White Tail Solar, LLC
Nameplate140MWSummer 140 MW
Generators1in service
Net generation188GWh12 mo to Aug 2026
Capacity factor18%solar units, summer MW
Heat rate—thermal plants only
First online2025
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) |
|---|---|---|---|
| 2025 | 11.7 | 5.7% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| WTS | Solar Photovoltaic | PV | 140 | 140 | Nov 2025 | Operating | — | coming soon |
Owner / operator
Operator: White Tail Solar, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| White Tail Solar, LLC | 100.0% | 140 MW |
Nearby plants
Within 80 km.
| Sumpter | 340 MW | 11 km |
| Sumpter Energy Associates | 11 MW | 13 km |
| East. Michigan Univ. Heating Plant | 8 MW | 13.9 km |
| Voyager Energy Storage | — | 15.1 km |
| Superior | 64 MW | 15.4 km |
| University of Michigan | 60 MW | 18.5 km |