Whitman
Ketchikan Gateway County, Alaska · EIA plant ID 58977 · Operator: Ketchikan Public Utilities
Nameplate5MWSummer 5 MW
Generators2in service
Net generation7GWh12 mo to Dec 2025
Capacity factor17%hydro units, summer MW
Heat rate—thermal plants only
First online2015
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) |
|---|---|---|---|
| 2015 | 8.7 | 20.7% | — |
| 2016 | 7.6 | 18.1% | — |
| 2017 | 9.4 | 22.3% | — |
| 2018 | 7 | 16.6% | — |
| 2019 | 9.9 | 23.6% | — |
| 2020 | 9.5 | 22.5% | — |
| 2021 | 10.8 | 25.8% | — |
| 2022 | 10.2 | 24.4% | — |
| 2023 | 10.6 | 25.1% | — |
| 2024 | 8.6 | 20.5% | — |
| 2025 | 7.3 | 17.5% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| WPG-1 | Conventional Hydroelectric | HY | 3.9 | 3.9 | Jan 2015 | Operating | — | coming soon |
| WPG-2 | Conventional Hydroelectric | HY | 0.9 | 0.9 | Jan 2015 | Operating | — | coming soon |
Owner / operator
Operator: Ketchikan Public Utilities. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Ketchikan Public Utilities | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Silvis | 2 MW | 6 km |
| Ketchikan | 4 MW | 6.7 km |
| Beaver Falls | 5 MW | 6.9 km |
| Mahoney Lake Hydroelectric | — | 10.2 km |
| S W Bailey | 26 MW | 11 km |
| Centennial | 2 MW | 23.1 km |