Prineville Solar Energy LLC
Crook County, Oregon · EIA plant ID 63049 · Operator: Invenergy Services LLC
Nameplate40MWSummer 46 MW
Generators1in service
Net generation96GWh12 mo to Aug 2026
Capacity factor24%solar units, summer MW
Heat rate—thermal plants only
First online2021
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) |
|---|---|---|---|
| 2021 | 93.6 | 25.3% | — |
| 2022 | 98 | 24.2% | — |
| 2023 | 92.9 | 23.0% | — |
| 2024 | 89.7 | 22.1% | — |
| 2025 | 98 | 24.2% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Solar Photovoltaic | PV | 40 | 46.2 | Feb 2021 | Operating | — | coming soon |
Owner / operator
Operator: Invenergy Services LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Invenergy Services LLC | 100.0% | 40 MW |
Nearby plants
Within 80 km.
| Millican Solar Energy LLC | 70 MW | 1.3 km |
| Powell Solar | — | 31 km |
| Solar Star Oregon II | 56 MW | 31.5 km |
| Cartwright Solar II | — | 34.2 km |
| Cartwright Solar I | 44 MW | 34.9 km |
| Tumbleweed Solar, LLC | 10 MW | 56.6 km |