Packwood
Hydro power plant in Lewis County, Washington. 27.5 MW of nameplate capacity across 1 generator, operated by Energy Northwest - Packwood.
Also known as EIA plant 3929
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 27.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- April 1964First generator online
- Operator
- Energy Northwest - PackwoodEIA operator ID 67380
- Grid
- BPATBalancing authority BPAT
- Price nodes
- None linkedNo verified ISO node
- Location
- Lewis County, WA46.5958, −121.5694
- EIA plant ID
- 3929EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Packwood produces
Free · EIA-923Net generation, 2025
73.8 GWh
73,848 MWh, final
Capacity factor, 2025
30.7%
2024: 26.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
58.3–103.5
GWh a year. Low 2019, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 79,695 | Not reported | 12 of 12 |
| 2001 | 60,050 | Not reported | 12 of 12 |
| 2002 | 83,510 | Not reported | 12 of 12 |
| 2003 | 89,261 | Not reported | 12 of 12 |
| 2004 | 98,246 | Not reported | 12 of 12 |
| 2005 | 71,549 | Not reported | 12 of 12 |
| 2006 | 99,730 | Not reported | 12 of 12 |
| 2007 | 84,555 | Not reported | 12 of 12 |
| 2008 | 87,550 | Not reported | 12 of 12 |
| 2009 | 92,315 | Not reported | 12 of 12 |
| 2010 | 95,500 | 39.6% | 12 of 12 |
| 2011 | 113,465 | 47.1% | 12 of 12 |
| 2012 | 115,955 | 48.0% | 12 of 12 |
| 2013 | 97,835 | 40.6% | 12 of 12 |
| 2014 | 128,333 | 53.3% | 12 of 12 |
| 2015 | 87,722 | 36.4% | 12 of 12 |
| 2016 | 96,505 | 40.0% | 12 of 12 |
| 2017 | 103,512 | 43.0% | 12 of 12 |
| 2018 | 87,522 | 36.3% | 12 of 12 |
| 2019 | 58,329 | 24.2% | 12 of 12 |
| 2020 | 95,746 | 39.6% | 12 of 12 |
| 2021 | 88,203 | 36.6% | 12 of 12 |
| 2022 | 87,806 | 36.4% | 12 of 12 |
| 2023 | 60,428 | 25.1% | 12 of 12 |
| 2024 | 62,999 | 26.1% | 12 of 12 |
| 2025 | 73,848 | 30.7% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 27.5 | April 1964 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Energy Northwest - Packwood as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Questions about Packwood
How much power does Packwood produce?
Packwood reported 73,848 MWh (73.8 GWh) of net generation in 2025, a 30.7% capacity factor on 27.5 MW of nameplate capacity.
Where is Packwood?
Packwood is in Lewis County, Washington, at 46.5958, −121.5694. It is in the Bonneville Power Administration balancing area (BPAT).
Who operates Packwood?
EIA-860M for August 2026 lists Energy Northwest - Packwood as the operator (EIA operator ID 67380). The operator is not always the owner.
When did Packwood start operating?
Its first generator began operating in April 1964, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page