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38.7 MW Hydro operating in King, WA — Puget Sound Energy
38.7 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1957
Operating Since
Coordinates
47.5443, -121.8415
County
King, WA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Puget Sound Energy Inc | Puget Sound Energy | — |
| Owner(s) | Puget Sound Energy Inc | PUGET HOLDINGS | — |
| Status | Operating | — | — |
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
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
17.8K MWh
Latest Month
158.9K MWh
Annual Generation
46.8%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $88.8M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
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ask pi about Snoqualmie 2Puget Sound Energy (PSEI)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility