Chaparral Springs
Kern County, California · EIA plant ID 64864 · Operator: Leeward Asset Management, LLC
Nameplate262MWSummer 262 MW
Generators4in service
Net generation398GWh12 mo to Aug 2026
Capacity factor27%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) |
|---|---|---|---|
| 2023 | 342.6 | — | — |
| 2024 | 444.4 | — | — |
| 2025 | 413.4 | 37.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| CHAPB | Batteries | BA | 52 | 52 | Apr 2025 | Operating | — | coming soon |
| CHAPS | Solar Photovoltaic | PV | 102 | 102 | Apr 2025 | Operating | — | coming soon |
| GEN01 | Solar Photovoltaic | PV | 72 | 72 | Apr 2025 | Operating | — | coming soon |
| WS3BA | Batteries | BA | 36 | 36 | Apr 2025 | Operating | — | coming soon |
Owner / operator
Operator: Leeward Asset Management, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Leeward Asset Management, LLC | 100.0% | 262 MW |
Nearby plants
Within 80 km.
| Solar Star 2 | 279 MW | 3.9 km |
| Raceway Solar & Storage | 205 MW | 4.4 km |
| Tumbleweed Energy Storage | 125 MW | 4.4 km |
| Rabbitbrush Solar, LLC | 120 MW | 4.5 km |
| BigBeau Solar, LLC | 168 MW | 4.6 km |
| Willow Spring Solar, LLC | 108 MW | 5.1 km |