West Tambo Clean Power II
Merced County, California · EIA plant ID 66506 · Operator: West Tambo Clean Power II
Nameplate2MWSummer 2 MW
Generators1in service
Net generation4GWh12 mo to Dec 2025
Capacity factor24%solar units, summer MW
Heat rate—thermal plants only
First online2024
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 | 0.9 | 29.9% | — |
| 2025 | 4.3 | 24.4% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| WEST2 | Solar Photovoltaic | PV | 2 | 2 | Nov 2024 | Operating | — | coming soon |
Owner / operator
Operator: West Tambo Clean Power II. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| West Tambo Clean Power II | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| City of Atwater NEM | 2 MW | 12.5 km |
| 2097 Helton Solar Project | 2 MW | 18.8 km |
| Walnut Energy Center | 301 MW | 21 km |
| Walnut | 50 MW | 21.8 km |
| Merced Solar LLC | 2 MW | 23.2 km |
| Mission Solar LLC | 2 MW | 23.4 km |