Alpaugh BESS
Tulare County, California · EIA plant ID 68954 · Operator: RWE Clean Energy
Nameplate10MWSummer 10 MW
Generators1in service
Net generation—GWh12 mo
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online2026
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.
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.
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 |
|---|---|---|---|---|---|---|---|---|
| ALPHB | Batteries | BA | 10 | 10 | May 2026 | Operating | — | coming soon |
Owner / operator
Operator: RWE Clean Energy. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| RWE Clean Energy | 100.0% | 10 MW |
Nearby plants
Within 80 km.
| Alpaugh North | 20 MW | 0.7 km |
| Alpaugh 50 | 50 MW | 1 km |
| White River Solar | 20 MW | 3.2 km |
| Angela Solar Project | 80 MW | 3.6 km |
| Atwell Island | 20 MW | 5.8 km |
| Atwell Island West Solar | 20 MW | 9.2 km |