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90 MW Hydro operating in Haskell, OK
90 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1964
Operating Since
Coordinates
35.3069, -95.3572
County
Haskell, OK
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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 | USCE-Tulsa District | US Army Corps of Engineers - Tulsa District | — |
| Owner(s) | USCE-Tulsa District | US Army Corps of Engineers - Tulsa District | — |
| Status | Operating | operating | — |
GEM identifies the owner as US Army Corps of Engineers - Tulsa District
This entity is not yet in the GEM ownership database — chain unavailable.
Eufaula Dam is a 90 MW hydroelectric power plant located in Haskell County, Oklahoma. The plant began operating in 1964 and is owned and operated by the US Army Corps of Engineers (USCE-Tulsa District). It utilizes conventional hydroelectric technology with three generators and its primary fuel source is water (WAT). The plant is the 6th largest of 11 hydroelectric facilities in Oklahoma, and ranks 210th out of 1464 nationally.
In the most recent year of record, Eufaula Dam generated 219,641 MWh of electricity, achieving a capacity factor of 27.8%. The plant operates within the balancing authority of the Southwestern Power Administration and is located in the MRO NERC region.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
Bilateral Market
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwestern Power Administration (SPA)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility
19.1K MWh
Latest Month
219.6K MWh
Annual Generation
27.8%
Capacity Factor
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$2,294/kW
Est. Construction Cost
Total estimated cost: $206.5M
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Last updated 2026-03-26
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