90 MW Hydro operating in Haskell, OK — Southwestern Power Administration
90 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1964
Operating Since
Coordinates
35.3069, -95.3572
County
Haskell, OK
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 | USCE-Tulsa District | US Army Corps of Engineers - Tulsa District | — |
| Owner(s) | USCE-Tulsa District | US Army Corps of Engineers - Tulsa District [100%] | — |
| Status | Operating | operating | — |
GEM identifies the owner as US Army Corps of Engineers - Tulsa District [100%]
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
NERC Region
MRO
Balancing Authority
Southwestern Power Administration
Grid Voltage
161 kV
Regulatory Status
RE
Entity Type
Federal
Sector
Electric Utility
19.1K MWh
Latest Month
219.6K MWh
Annual Generation
27.8%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Red Flag Warning: Benton; Washington; Osage; Washington; Nowata; Craig; Ottawa; Pawnee; Tulsa; Rogers; Mayes; Delaware
Red Flag Warning issued March 21 at 12:15PM CDT until March 22 at 8:00PM CDT by NWS Tulsa OK
Video - USACE Powerhouses Support Grid Demands During 2026 Winter Storm
The media could not be loaded, either because the server or network failed or because the format is not supported.
News - When demand peaks; USACE powers
Photo By Brannen Parrish | The Keystone Dam Powerhouse generates hydroelectric power to support peak power...... read more read more.
8 Quirkiest Oklahoma Towns You Didn't Know Existed
Visit Oklahoma and find quirky towns you may not know existed, for a glimpse of what has, does, and continues to make the Sooner State a...
Last updated 2026-03-21
View all 10 articles