Snoqualmie 2 — Plant Summary
- EIA Plant ID
- 7867
- Capacity
- 38.7 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- King, WA
- Operating Since
- 1957
- Generators
- 2
- Operator
- Puget Sound Energy Inc
- Parent Company
- PUGET HOLDINGS
- Annual Generation
- 158,922 MWh
- Capacity Factor
- 46.8%
- Balancing Authority
- Puget Sound Energy
- ISO/RTO
- —
- NERC Region
- WECC
Snoqualmie 2
OperatingHydro
Ranked #35 of 75 Hydro plants in WA#352 of 1454 nationally
38.7 MW Hydro operating in King, WA — Puget Sound Energy
EIAWD
38.7 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1957
Operating Since
Location
Coordinates
47.5443, -121.8415
County
King, WA
Nearby Plants
- SnoqualmieHydro12.8 MW · 0.6 km
- Black CreekHydro3.7 MW · 9.8 km
- Hancock Creek Hydroelectric ProjectHydro6 MW · 11.8 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 | — | — |
Ownership Chain
About
Snoqualmie 2 is a 38.7 MW conventional hydroelectric power plant located in King County, Washington. The plant began operating in 1957 and consists of two generators. It is owned by Puget Holdings and operated by Puget Sound Energy Inc. The plant's primary fuel source is water (WAT). Snoqualmie 2 ranks as the 35th largest power plant in Washington out of 75, and 357th nationally out of 1464 plants.
In the most recent year with available data, Snoqualmie 2 generated 158,922 MWh of electricity, achieving a capacity factor of 46.8%. The plant operates within the Puget Sound Energy balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Recent news coverage related to the plant includes topics such as hazards, industry trends, and grid operations.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Puget Sound Energy
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
17.8K MWh
Latest Month
158.9K MWh
Annual Generation
46.8%
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·ice storm
More than 35,000 without power in western WA as snow hampers restoration efforts
Friday's snowfall hinders power restoration efforts after windstorms, impacting skiing and residents across western Washington.
MyNorthwest.com·Yesterday
Hazards·ice storm
End of week Seattle snow, school closures, travel impacts across western WA
The FOX 13 Weather Team has issued a Weather Alert Day for Friday morning as snow continues to fall in the lowlands and mountain passes...
FOX 13 Seattle·Yesterday
General
WA power outages: Gusty winds knock out power for thousands
Thousands across western Washington lost power overnight due to a late-season winter storm that brought gusty winds and heavy snow in the...
FOX 13 Seattle·2 days ago
Hazards·ice storm
WA power outages: Gusty winds knock out power for thousands
Thousands across western Washington lost power overnight due to a late-season winter storm that brought gusty winds and heavy snow in the...
Washington (other)
FOX 13 Seattle·2 days ago
Last updated 2026-03-14
View all 10 articles