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1349.2 MW Hydro operating in Chelan, WA
1,349.2 MW
Nameplate Capacity
11
Generators
units
Conventional Hydroelectric
Technology
1961
Operating Since
Coordinates
47.5336, -120.2953
County
Chelan, WA
Nearby Plants
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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 - (WA) | Chelan County Public Utility District | — |
| Owner(s) | PUD No 1 of Chelan County | Chelan County Public Utility District | — |
| Status | Operating | operating | — |
GEM identifies the owner as Chelan County Public Utility District
This entity is not yet in the GEM ownership database — chain unavailable.
Chelan PUD agreed to sell 5% of combined Rock Island and Rocky Reach hydro output to Puget Sound Energy for five years.
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
Grid Region
Pacific Northwest
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Public Utility District No. 1 of Chelan County (CHPD)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
566.4K MWh
Latest Month
5.2M MWh
Annual Generation
46.0%
Capacity Factor
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $3.0B
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-04-09
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Ask about Rocky ReachForward forecasts, scenario decomposition, and risk-decision tooling for this asset.
Chelan PUD 2024 draft budget highlights hydropower modernization capital improvements at Rocky Reach.
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