MilfordSolar OR
Washington County, Oregon · EIA plant ID 64008 · Operator: Enerparc Inc.
Nameplate3MWSummer 3 MW
Generators1in service
Net generation4GWh12 mo to Dec 2025
Capacity factor16%solar units, summer MW
Heat rate—thermal plants only
First online2021
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 | 4.6 | 17.5% | — |
| 2022 | 4.6 | 17.5% | — |
| 2023 | 4.3 | 16.4% | — |
| 2024 | 4.6 | 17.4% | — |
| 2025 | 4.2 | 16.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| MS | Solar Photovoltaic | PV | 3 | 3 | Jan 2021 | Operating | — | coming soon |
Owner / operator
Operator: Enerparc Inc.. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Enerparc Inc. | 100.0% | 3 MW |
Nearby plants
Within 80 km.
| Constable BESS | 75 MW | 8.4 km |
| O'Neill Creek Solar | 2 MW | 12.5 km |
| Seaside BESS | 200 MW | 21.5 km |
| River Road Gen Plant | 248 MW | 26.7 km |
| Sesqui-C Solar (CSG) | 3 MW | 28.9 km |
| Durham AWTF | 2 MW | 29.1 km |