Portal Ridge Solar C, LLC
Los Angeles County, California · EIA plant ID 60311 · Operator: Portal Ridge Solar, LLC
Nameplate11MWSummer 11 MW
Generators1in service
Net generation29GWh12 mo to Dec 2025
Capacity factor29%solar units, summer MW
Heat rate—thermal plants only
First online2017
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) |
|---|---|---|---|
| 2017 | 23.7 | 25.9% | — |
| 2018 | 30.2 | 30.3% | — |
| 2019 | 30.6 | 30.6% | — |
| 2020 | 28.8 | 28.8% | — |
| 2021 | 30.3 | 30.4% | — |
| 2022 | 24.1 | 24.1% | — |
| 2023 | 17.1 | 17.1% | — |
| 2024 | 25.3 | 25.3% | — |
| 2025 | 28.6 | 28.7% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN01 | Solar Photovoltaic | PV | 11.4 | 11.4 | Feb 2017 | Operating | — | coming soon |
Owner / operator
Operator: Portal Ridge Solar, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Portal Ridge Solar, LLC | 100.0% | 11 MW |
Nearby plants
Within 80 km.
| Horn | 2 MW | 0.6 km |
| Portal Ridge Solar B, LLC | 20 MW | 0.8 km |
| San Pablo Raceway | 100 MW | 1.2 km |
| Antelope Expansion 1B | 17 MW | 1.4 km |
| Rodeo Solar C2 | 2 MW | 1.4 km |
| Rodeo Solar D2 | 2 MW | 1.4 km |