Wells — Plant Summary
- EIA Plant ID
- 3886
- Capacity
- 855.2 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Chelan, WA
- Operating Since
- 1967
- Generators
- 10
- Operator
- PUD No 1 of Douglas County
- Parent Company
- —
- Annual Generation
- 3,707,938 MWh
- Capacity Factor
- 49.4%
- Balancing Authority
- PUD No. 1 of Douglas County
- ISO/RTO
- —
- NERC Region
- WECC
Wells
OperatingHydro
Ranked #7 of 75 Hydro plants in WA#27 of 1454 nationally
855.2 MW Hydro operating in Chelan, WA — PUD No. 1 of Douglas County
EIAGEMWD
855.2 MW
Nameplate Capacity
10
Generators
units
Conventional Hydroelectric
Technology
1967
Operating Since
Location
Coordinates
47.9469, -119.8653
County
Chelan, WA
Nearby Plants
- ChelanHydro59.2 MW · 16.7 km
- Chief JosephHydro2456.2 MW · 17.6 km
Ownership & Operator
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 | Douglas County Public Utility District | — |
| Owner(s) | PUD No 1 of Douglas County | Douglas County Public Utility District [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Douglas County Public Utility District [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
PUD No. 1 of Douglas County
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
Generation
395.6K MWh
Latest Month
3.7M MWh
Annual Generation
49.4%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Hazards·flooding
Washington County Residents On Water Wells Not Aware A MarkWest Pipeline Drilling Project Lost 1.2 Million Gallons Of Drilling Fluid In Mount Pleasant & Robinson Townships
On February 2, the Breathe Project, Three Rivers WaterKeeper and the Clean Air Council alerted residents of Mount Pleasant and Robinson...
Breathe Project (other)Three Rivers WaterKeeper (other)
PA Environment Digest Blog·4 weeks ago
Industry·corporate
Constellation Energy stock slides after Wells Fargo trims target as PJM data-center plan looms
Constellation Energy shares fell about 4% to $295.40 in after-hours trading after Wells Fargo cut its price target.
Constellation Energy (operator)Wells Fargo (other)
TechStock²·4 weeks ago
General
To Feed Data Centers, Pennsylvania Faces a New Fracking Surge
A rash of data centers planned for western Pennsylvania has residents and environmentalists on edge. The sprawling complexes will be powered...
Yale E360·3 months ago
Industry·technology
One of America’s most dangerous volcanoes will soon power homes
Tapping energy from “superhot rock” could produce cheap, clean, constant energy almost anywhere — if drills and wells can survive infernal...
The Washington Post·4 months ago
Last updated 2026-03-14
View all 10 articles