Packwood — Plant Summary
- EIA Plant ID
- 3929
- Capacity
- 27.5 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Lewis, WA
- Operating Since
- 1964
- Generators
- 1
- Operator
- Energy Northwest
- Parent Company
- —
- Annual Generation
- 62,999 MWh
- Capacity Factor
- 26.2%
- Balancing Authority
- Bonneville Power Administration
- ISO/RTO
- —
- NERC Region
- WECC
Packwood
OperatingHydro
Ranked #38 of 75 Hydro plants in WA#421 of 1454 nationally
27.5 MW Hydro operating in Lewis, WA — Bonneville Power Administration
EIAWD
27.5 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1964
Operating Since
Location
Coordinates
46.6040, -121.6587
County
Lewis, WA
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Energy Northwest | — | — |
| Owner(s) | Energy Northwest | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Packwood Hydroelectric Project, plant ID 3929, is a 27.5 MW conventional hydroelectric facility located in Lewis County, Washington. The plant began operating in 1964 and has one generator. Energy Northwest is the owner and operator.
Packwood's latest annual generation was 62,999 MWh, resulting in a capacity factor of 26.2%. The plant is located within the Bonneville Power Administration balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Packwood ranks 38th out of 75 power plants in Washington and 426th out of 1464 plants nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Bonneville Power Administration
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
State
Sector
Electric Utility
Generation
5.2K MWh
Latest Month
63.0K MWh
Annual Generation
26.2%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Hazards·flooding
LIVE UPDATES: WA power outages, flooding, blizzard warning, road closures
Hundreds of thousands woke up without power on Wednesday after Washington already had two levee failures this week amid major flooding.
WA (other)Washington (other)
FOX 13 Seattle·3 months ago
Hazards·ice storm
Storm cuts power to thousands, downs trees, brings mountain snow
The latest storm to sweep across western Washington, with wind and rain, cut power to thousands and caused tree damage as flood watches and...
Washington (other)
KOMO·3 months ago
Hazards·flooding
King County executive issues emergency order as flooding forces evacuations, rescues
Residents near the Snohomish and Skagit rivers are facing the brunt of potentially "catastrophic" floods. See the latest weather forecasts,...
King County (other)
The Seattle Times·3 months ago
Hazards·flooding
LIVE UPDATES: Evacuations, major river flooding across western WA
Severe flooding is expected across western Washington as rivers hit record levels, leading to widespread evacuations and road closures.
Washington (other)
FOX 13 Seattle·3 months ago
Last updated 2026-03-15
View all 10 articles