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103.9 MW Hydro operating in Skagit, WA — Puget Sound Energy
103.9 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1960
Operating Since
Coordinates
48.5478, -121.7407
County
Skagit, 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 | — |
Lower Baker Dam is a dam across the Baker River one mile north of Concrete, Washington. It forms a reservoir called Lake Shannon which stretches 7.5 miles (12.1 km) upstream. The dam is operated by Puget Sound Energy as part of the Baker River Hydroelectric Project.
Read more on WikipediaLower Baker is a hydroelectric power plant located in Skagit County, Washington. The plant has a total capacity of 103.9 MW across two generators. It began operating in 1960 and is owned by PUGET HOLDINGS and operated by Puget Sound Energy Inc. The primary fuel source is water (WAT). Lower Baker ranks 23rd out of 23 power plants in Washington and 181st out of 194 nationally.
In the most recent year with available data, Lower Baker generated 326,697 MWh, achieving a capacity factor of 35.9%. The plant operates within the Puget Sound Energy balancing authority and the WECC NERC region. Financial data indicates an installed cost of $2321.63 per kW.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
41.0K MWh
Latest Month
326.7K MWh
Annual Generation
35.9%
Capacity Factor
Energy storage · Puget Sound Energy, Inc. · Data from 2015–2024
$2,368/kW
Installed Cost
$18.7/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
View all articlesNo ask pi reports yet for this entity.
ask pi about Lower BakerPuget Sound Energy (PSEI)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility