Priest Rapids
Grant County, Washington · EIA plant ID 3887 · Operator: PUD No 2 of Grant County
Nameplate950MWSummer 1,017 MW
Generators10in service
Net generation4,944GWh12 mo to Aug 2026
Capacity factor56%hydro units, summer MW
Heat rate—thermal plants only
First online1959
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), 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) |
|---|---|---|---|
| 2001 | 3,477.8 | 42.6% | — |
| 2002 | 4,088.4 | 50.1% | — |
| 2003 | 3,852.1 | 47.2% | — |
| 2004 | 3,888.3 | 47.5% | — |
| 2005 | 3,959.6 | 48.5% | — |
| 2006 | 4,865.6 | 59.6% | — |
| 2007 | 5,042.2 | 61.8% | — |
| 2008 | 4,650.3 | 56.8% | — |
| 2009 | 4,262.7 | 52.2% | — |
| 2010 | 3,995.7 | 48.9% | — |
| 2011 | 5,152.2 | 63.1% | — |
| 2012 | 4,715.1 | 56.2% | — |
| 2013 | 4,817.5 | 57.6% | — |
| 2014 | 4,745.4 | 56.7% | — |
| 2015 | 4,616.7 | 55.1% | — |
| 2016 | 4,758.4 | 56.7% | — |
| 2017 | 4,470 | 53.4% | — |
| 2018 | 4,737.1 | 56.8% | — |
| 2019 | 3,988.8 | 47.8% | — |
| 2020 | 4,781.8 | 57.3% | — |
| 2021 | 4,540.8 | 54.6% | — |
| 2022 | 4,828.1 | 58.0% | — |
| 2023 | 3,842.3 | 46.2% | — |
| 2024 | 3,837.8 | 46.0% | — |
| 2025 | 4,164.9 | 50.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | HY | 95 | 104.5 | Jul 1961 | Operating | — | coming soon |
| 10 | Conventional Hydroelectric | HY | 95 | 95 | Nov 1959 | Operating | — | coming soon |
| 2 | Conventional Hydroelectric | HY | 95 | 104.5 | May 1961 | Operating | — | coming soon |
| 3 | Conventional Hydroelectric | HY | 95 | 95 | Sep 1960 | Operating | — | coming soon |
| 4 | Conventional Hydroelectric | HY | 95 | 104.5 | Sep 1960 | Operating | — | coming soon |
| 5 | Conventional Hydroelectric | HY | 95 | 104.5 | Apr 1960 | Operating | — | coming soon |
| 6 | Conventional Hydroelectric | HY | 95 | 95 | Feb 1960 | Operating | — | coming soon |
| 7 | Conventional Hydroelectric | HY | 95 | 104.5 | Jan 1960 | Operating | — | coming soon |
| 8 | Conventional Hydroelectric | HY | 95 | 104.5 | Dec 1959 | Operating | — | coming soon |
| 9 | Conventional Hydroelectric | HY | 95 | 104.5 | Oct 1959 | Operating | — | coming soon |
Owner / operator
Operator: PUD No 2 of Grant County. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| PUD No 2 of Grant County | 100.0% | 950 MW |
Nearby plants
Within 80 km.
| Ostrea Solar, LLC | 80 MW | 14 km |
| High Top Solar | — | 14.1 km |
| Wanapum | 1,220 MW | 25.8 km |
| Royal Slope | — | 26.5 km |
| Goose Prairie Solar | 80 MW | 28.4 km |
| Hop Hill Solar Generation and BESS | — | 36.3 km |