Lower Snake River Wind Energy Project — Plant Summary
- EIA Plant ID
- 57195
- Capacity
- 342.7 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Garfield, WA
- Operating Since
- 2012
- Generators
- 1
- Operator
- Puget Sound Energy Inc
- Parent Company
- PUGET HOLDINGS
- Annual Generation
- 795,345 MWh
- Capacity Factor
- 26.4%
- Balancing Authority
- Bonneville Power Administration
- ISO/RTO
- —
- NERC Region
- WECC
Lower Snake River Wind Energy Project
OperatingWind
Ranked #1 of 24 Wind plants in WA#55 of 1442 nationally
342.7 MW Wind operating in Garfield, WA — Bonneville Power Administration
EIAGEMWD
342.7 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2012
Operating Since
Location
Coordinates
46.5242, -117.8217
County
Garfield, WA
Nearby Plants
- Lower Snake Solar Generation BESSBESS600 MW · 2.4 km
- Marengo Wind PlantWind234 MW · 17.0 km
- Little GooseHydro810 MW · 17.1 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Puget Sound Energy Inc | Puget Sound Energy | — |
| Owner(s) | Puget Sound Energy Inc | PUGET HOLDINGS | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Lower Snake River Wind Project is the newest and largest wind farm operated by Puget Sound Energy, and is located in Washington’s Garfield and Columbia counties. The wind farm is made up of 149 Siemens wind turbines rated at 2.3 MW each for a maximum generating capacity of 343 MW. The project was estimated to create up to 150 temporary jobs and 25 permanent jobs.
Read more on WikipediaThe Lower Snake River Wind Energy Project is a 342.7 MW wind farm located in Garfield County, Washington. Commissioned in 2012, the facility is owned by Puget Holdings and operated by Puget Sound Energy Inc. The plant consists of a single generator utilizing onshore wind turbine technology. It is interconnected to the Bonneville Power Administration balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The wind farm's turbines are manufactured by Siemens, model SWT-2.3-101, with a hub height of 80 meters and a rotor diameter of 101 meters. In the most recent year of data, the plant generated 795,345 MWh, achieving a capacity factor of 26.4%. The Lower Snake River Wind Energy Project is the largest of 17 wind farms in Washington and ranks 54th out of 734 wind facilities nationally. Financial data indicates an installed cost of $2016.49 per kW, as reported to FERC.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Bonneville Power Administration
Grid Voltage
500 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
88.9K MWh
Latest Month
795.3K MWh
Annual Generation
26.4%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$2,019/kW
Installed Cost
$10.5/MWh
Operating Cost
Puget Sound Energy, Inc.
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Grid·capacity addition
Washington utility PSE breaks ground on 142-MW solar project
Washington state utility Puget Sound Energy (PSE) has started building the 142-MW Appaloosa solar park in its home state, a project that...
Puget Sound Energy (developer)PSE (developer)
Renewables Now·6 months ago
Industry·corporate
North America Solar PV News Snippets: Elmantic To Explore 4 GW Utility-Scale RE In US & More
Data centers co-located with RE projects; Catalyze raises $200 million & Arevon $250 million; Ingeteam's 640 MW DC project online;...
Elmantic (other)Catalyze (other)
TaiyangNews·6 months ago
Grid·capacity addition
Puget Sound Energy breaks ground on new utility-scale solar project in Washington state
The new solar project will add 142 MW of clean energy to PSE's portfolio Appaloosa Solar Project Construction has begun at the utility-scale...
Puget Sound Energy (developer)PSE (developer)
Yahoo Finance·6 months ago
Industry·corporate
Wind and solar projects gain traction in Garfield County as moratorium expires
Several renewable energy projects are on the horizon after Garfield County's moratorium on wind farms lifted last month, while neighboring...
Garfield County (other)
The Spokesman-Review·1 years ago
Last updated 2026-03-14
View all 10 articles