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104.8 MW Hydro operating in Whatcom, WA — Puget Sound Energy
104.8 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1959
Operating Since
Coordinates
48.6490, -121.6907
County
Whatcom, 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 | operating | — |
Upper Baker Dam is a dam spanning the Baker River in northern Washington in the United States of America. It is one of two dams on the river, the other one being the Lower Baker Dam a few miles downstream. The dam is used to generate hydroelectricity and provide flood control.
Read more on WikipediaLocated in Whatcom County, Washington, the Upper Baker hydroelectric plant has a total capacity of 104.8 MW. The plant began operating in 1959 and utilizes conventional hydroelectric technology with water as its primary fuel source. It consists of two generators. Puget Sound Energy Inc. operates the facility, which is owned by PUGET HOLDINGS. The plant's balancing authority is Puget Sound Energy, and it operates within the WECC NERC region.
In the most recent year of reported data, Upper Baker generated 317,831 MWh, achieving a capacity factor of 34.5%. The plant's installed cost was $1,563.55 per kW. Upper Baker ranks as the 22nd largest power plant out of 23 in Washington state, and 178th out of 194 nationally. Financial data for the plant is available from FERC filings.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
32.8K MWh
Latest Month
317.8K MWh
Annual Generation
34.5%
Capacity Factor
Energy storage · Puget Sound Energy, Inc. · Data from 2015–2024
$2,126/kW
Installed Cost
$14.9/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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 Upper BakerPuget Sound Energy (PSEI)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility