1299.6 MW Hydro operating in Chelan, WA — Public Utility District No. 1 of Chelan County
1,299.6 MW
Nameplate Capacity
11
Generators
units
Conventional Hydroelectric
Technology
1961
Operating Since
Coordinates
47.5336, -120.2953
County
Chelan, 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 | PUD No 1 of Chelan County | Chelan County Public Utility District | — |
| Owner(s) | PUD No 1 of Chelan County | Chelan County Public Utility District [100%] | — |
| Status | Operating | operating | — |
GEM identifies the owner as Chelan County Public Utility District [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
Rocky Reach Dam is a run-of-the-river hydroelectric dam in the U.S. state of Washington owned and operated by Chelan County Public Utility District. It has 11 generators rated in total 1300 MW. The project is on the Columbia River in north central Washington state about seven miles (11 km) upstream from the city of Wenatchee. The dam is 473 miles (761 km) above the mouth of the Columbia. The reservoir impounded by the dam is Lake Entiat. The project provides energy for more than 7 million people throughout the Pacific Northwest.
Read more on WikipediaRocky Reach is a 1299.6 MW hydroelectric power plant located in Chelan County, Washington. The plant began operating in 1961 and is owned and operated by Public Utility District No. 1 of Chelan County. It utilizes conventional hydroelectric technology with water (WAT) as its primary fuel source. The facility consists of 11 generators.
Rocky Reach's latest annual generation was 5,241,117 MWh, achieving a capacity factor of 46.0%. The plant operates within the Public Utility District No. 1 of Chelan County balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Rocky Reach is the 3rd largest power plant out of 23 in Washington and ranks 12th out of 194 hydroelectric plants nationally.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Public Utility District No. 1 of Chelan County
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
566.4K MWh
Latest Month
5.2M MWh
Annual Generation
46.0%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
How to attend Decker sisters memorial in Wenatchee
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Wayne Richard Salley, beloved son, husband, father, brother, grandfather, great-grandfather passed away peacefully, surrounded by his loving family, January 16...
Hydropower Modernization Takes Center Stage in 2024 Draft Budget
Preliminary Budget spotlights improvements to Rock Island and Rocky Reach information released Chelan PUD commissioners reviewed a...
Mural at Rocky Reach Dam headed into storage — but will make a comeback
Roger Waterhouse tapes a weak spot on the Walter Graham mural in the lobby of the Rocky Reach Dam Discovery Center on Wednesday.
Last updated 2026-03-14
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