McNary Dam Fish Attraction Project — Plant Summary
- EIA Plant ID
- 7511
- Capacity
- 10 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Benton, WA
- Operating Since
- 1997
- Generators
- 1
- Operator
- Northern Wasco County PUD
- Parent Company
- —
- Annual Generation
- 64,192 MWh
- Capacity Factor
- 72.8%
- Balancing Authority
- Bonneville Power Administration
- ISO/RTO
- —
- NERC Region
- WECC
McNary Dam Fish Attraction Project
OperatingHydro
Ranked #52 of 75 Hydro plants in WA#653 of 1454 nationally
10 MW Hydro operating in Benton, WA — Bonneville Power Administration
EIAGEMWD
10 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1997
Operating Since
Location
Coordinates
45.9400, -119.2991
County
Benton, WA
Nearby Plants
- McNaryHydro990.5 MW · 0.0 km
- Hermiston Generating PlantNatural Gas621.2 MW · 16.1 km
- Hermiston Power PartnershipNatural Gas689.4 MW · 16.3 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 | Northern Wasco County PUD | US Army Corps of Engineers - Walla Walla District | — |
| Owner(s) | Northern Wasco County PUD, PUD No 1 of Klickitat County | US Army Corps of Engineers - Walla Walla District [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as US Army Corps of Engineers - Walla Walla District [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
The McNary Dam Fish Attraction Project is a 10 MW hydroelectric power plant located in Benton County, Washington. It began operating in 1997 and is owned and operated by Northern Wasco County PUD. The plant utilizes a single generator and conventional hydroelectric technology, drawing power from the water resources of the McNary Dam.
In the most recent year of reported data, the plant generated 64,192 MWh of electricity, achieving a capacity factor of 72.8%. The McNary Dam Fish Attraction Project operates within the Bonneville Power Administration balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is ranked as the 53rd largest power plant in Washington out of 75, and nationally it is ranked 659th out of 1464 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Bonneville Power Administration
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
Generation
6.8K MWh
Latest Month
64.2K MWh
Annual Generation
72.8%
Capacity Factor
Jan 2022 – Dec 2024
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.
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