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866.8 MW Hydro operating in Chelan, WA
866.8 MW
Nameplate Capacity
10
Generators
units
Conventional Hydroelectric
Technology
1967
Operating Since
Coordinates
47.9469, -119.8653
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 Douglas County - (WA) | Douglas County Public Utility District | — |
| Owner(s) | PUD No 1 of Douglas County | Douglas County Public Utility District | — |
| Status | Operating | operating | — |
GEM identifies the owner as Douglas County Public Utility District
This entity is not yet in the GEM ownership database — chain unavailable.
Wells Dam is a hydroelectric embankment dam located on the Columbia River, downstream from the confluence of the Okanogan River, Methow River, and the Columbia River in Washington state. The dam, associated structures, and machinery make up the Wells Hydroelectric Project. It is owned and operated by Douglas County Public Utility District.
Read more on WikipediaThe Wells Hydroelectric Project, located in Chelan County, Washington, is a conventional hydroelectric power plant with a total capacity of 855.2 MW. Operated by the Public Utility District (PUD) No. 1 of Douglas County, the plant began operating in 1967 and consists of 10 generators utilizing water as its primary fuel source. Wells is the 7th largest power plant in Washington state out of 23, and ranks 27th nationally out of 194 plants.
In the most recent year of record, the Wells plant generated 3,707,938 MWh of electricity, achieving a capacity factor of 49.4%. The plant operates within the Western Electricity Coordinating Council (WECC) NERC region and is part of the balancing authority managed by PUD No. 1 of Douglas County.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
PUD No. 1 of Douglas County (DOPD)
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.
395.6K MWh
Latest Month
3.7M MWh
Annual Generation
49.4%
Capacity Factor
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $2.0B
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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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Douglas County PUD acquiring 409 acres of land adjacent to its hydrogen production facility and Wells Dam for project development.