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84.6 MW Hydro operating in Mason, WA — City of Tacoma, Department of Public Utilities, Light Division
84.6 MW
Nameplate Capacity
5
Generators
units
Conventional Hydroelectric
Technology
1930
Operating Since
Coordinates
47.3698, -123.1603
County
Mason, WA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Tacoma - (WA) | Tacoma Power | — |
| Owner(s) | City of Tacoma - (WA) | Tacoma Power | Tacoma Public Utilities |
| Status | Operating | operating | — |
GEM identifies the owner as Tacoma Power
This entity is not yet in the GEM ownership database — chain unavailable.
Cushman Dam No. 2 is a hydroelectric dam on the North Fork of the Skokomish River in Mason County, Washington, United States, forming Lake Kokanee. Built in 1930, its three 27,000 kilowatt generators provide 233 million kilowatt-hours annually to the Tacoma Power system. Along with Cushman Dam No. 1, it is part of Tacoma Power's Cushman Project.
Read more on WikipediaCushman 2 is a hydroelectric power plant located in Mason County, Washington. The plant has a total capacity of 84.6 MW across 5 generators and came online in 1930. It is owned and operated by the City of Tacoma - (WA). The primary fuel source is water (WAT), and the plant utilizes conventional hydroelectric technology. Cushman 2 ranks as the 26th largest power plant in Washington out of 75, and 216th nationally out of 1464 plants.
In the most recent year with available data, Cushman 2 generated 179,199 MWh of electricity, resulting in a capacity factor of 24.1%. The plant operates within the Western Electricity Coordinating Council (WECC) NERC region and is under the balancing authority of the City of Tacoma, Department of Public Utilities, Light Division.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
40.3K MWh
Latest Month
179.2K MWh
Annual Generation
24.1%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $194.1M
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 Cushman 2City of Tacoma, Department of Public Utilities, Light Division (TPWR)
Grid Voltage
110.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility