Timothy Lake Powerhouse
Clackamas County, Oregon · EIA plant ID 60868 · Operator: Portland General Electric Co
Nameplate1MWSummer 1 MW
Generators1in service
Net generation2GWh12 mo to Dec 2025
Capacity factor18%hydro units, summer MW
Heat rate—thermal plants only
First online2018
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), hydro 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) |
|---|---|---|---|
| 2018 | 0 | 0.0% | — |
| 2019 | 0 | 0.0% | — |
| 2020 | 0 | 0.0% | — |
| 2021 | 0 | 0.0% | — |
| 2022 | 0 | 0.0% | — |
| 2023 | 0.9 | 9.8% | — |
| 2024 | 2.1 | 21.2% | — |
| 2025 | 1.8 | 18.4% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | HY | 1.2 | 1.1 | Dec 2018 | Operating | — | coming soon |
Owner / operator
Operator: Portland General Electric Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Portland General Electric Co | 100.0% | 1 MW |
Nearby plants
Within 80 km.
| Middle Fork Irrigation District | 3 MW | 17.3 km |
| Brightwood Solar, LLC | 10 MW | 25.7 km |
| PHP 1 | 24 MW | 28.3 km |
| PHP 2 | 12 MW | 32 km |
| Bonneville | 1,162 MW | 33.6 km |
| Stone Creek | 12 MW | 33.8 km |