North Rosamond Solar LLC
Kern County, California · EIA plant ID 59879 · Operator: North Rosamond Solar, LLC
Nameplate151MWSummer 151 MW
Generators1in service
Net generation347GWh12 mo to Aug 2026
Capacity factor26%solar units, summer MW
Heat rate—thermal plants only
First online2019
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) |
|---|---|---|---|
| 2019 | 234.2 | 30.2% | — |
| 2020 | 354.2 | 26.7% | — |
| 2021 | 349.9 | 26.4% | — |
| 2022 | 325.6 | 24.6% | — |
| 2023 | 339.8 | 25.7% | — |
| 2024 | 392.7 | 29.6% | — |
| 2025 | 397.2 | 30.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN01 | Solar Photovoltaic | PV | 151.1 | 151.1 | Jun 2019 | Operating | — | coming soon |
Owner / operator
Operator: North Rosamond Solar, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| North Rosamond Solar, LLC | 100.0% | 151 MW |
Nearby plants
Within 80 km.
| Golden Field Solar III, LLC | 339 MW | 2.2 km |
| Rosamond South 1 | 257 MW | 2.2 km |
| Golden Fields Solar I, LLC | 54 MW | 2.6 km |
| Solar Star California, XLI, LLC | 54 MW | 2.6 km |
| Solar Star 2 | 279 MW | 2.9 km |
| Valentine Solar, LLC | 111 MW | 4.7 km |