Keystone Dam — Plant Summary
- EIA Plant ID
- 2984
- Capacity
- 70 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Tulsa, OK
- Operating Since
- 1968
- Generators
- 2
- Operator
- USCE-Tulsa District
- Parent Company
- —
- Annual Generation
- 1,583 MWh
- Capacity Factor
- 0.3%
- Balancing Authority
- Southwest Power Pool
- ISO/RTO
- SPP
- NERC Region
- MRO
Keystone Dam
OperatingHydro
Ranked #8 of 11 Hydro plants in OK#252 of 1454 nationally
70 MW Hydro operating in Tulsa, OK — Southwest Power Pool
EIAGEMWD
70 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1968
Operating Since
Location
Coordinates
36.1508, -96.2517
County
Tulsa, OK
Nearby Plants
- Tulsa LFG LLCLandfill Gas3.2 MW · 6.0 km
- Reworld TulsaMuni. Waste16.8 MW · 21.1 km
- Covanta Bristol EnergyMuni. Waste16.3 MW · 21.1 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 | 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 | — |
Ownership Chain
GEM identifies the owner as US Army Corps of Engineers - Tulsa District
This entity is not yet in the GEM ownership database — chain unavailable.
About
Keystone Dam is a 70 MW hydroelectric power plant located in Tulsa County, Oklahoma. The plant began operating in 1968 and is owned and operated by the US Army Corps of Engineers (USCE-Tulsa District). It utilizes conventional hydroelectric technology with water as its primary fuel source, and consists of two generators. Keystone Dam is connected to the Southwest Power Pool (SPP) balancing authority and resides within the Midwest Reliability Organization (MRO) NERC region.
In terms of size, Keystone Dam ranks as the 8th largest out of 11 hydroelectric plants in Oklahoma, and 253rd out of 1464 nationally. The plant's latest annual generation was 1,583 MWh, resulting in a capacity factor of 0.3%. Recent news coverage related to the plant has focused on grid issues, industry trends, hazards, and regulatory matters.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Federal
Sector
Electric Utility
Generation
0 MWh
Latest Month
1.6K MWh
Annual Generation
0.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Keystone Dam Substation · 138 kV
Substation Distance
< 10 km
Operator
Southwestern Power Administration
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
—
Pricing Hub
SPP South Hub
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Wekiwa SubstationSubstation
News & Articles (10)Beta
Hazards·wildfire
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
NWS Tulsa OK (other)
NWS Tulsa OK·5 days ago
Grid·capacity addition
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.
USACE (operator)Keystone Dam Powerhouse (operator)
DVIDS·4 weeks ago
Grid·capacity addition
Keystone Powerplant Superintendent Explains USACE Hydropower Support to Electric Grid during Winter Storm Jan 26
The DLE series will incorporate multiple command exercises into one overall threat deterrence scenario, including Resolute Force Pacific...
USACE (operator)Keystone Powerplant (operator)
AF.mil·4 weeks ago
Regulatory·ferc order
$3.1B Kiamichi hydropower project would siphon billions of gallons of water from river
The Southeast Oklahoma Power Corporation has reapplied to the Federal Energy Regulatory Commission for permission to build and operate a...
Southeast Oklahoma Power Corporation (developer)Federal Energy Regulatory Commission (regulator)
Southwest Ledger·1 years ago
Last updated 2026-03-21
View all 10 articles