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70 MW Hydro operating in Tulsa, OK — Southwest Power Pool
70 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1968
Operating Since
Coordinates
36.1508, -96.2517
County
Tulsa, OK
Nearby Plants
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 | — |
GEM identifies the owner as US Army Corps of Engineers - Tulsa District
This entity is not yet in the GEM ownership database — chain unavailable.
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
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
0 MWh
Latest Month
1.6K MWh
Annual Generation
0.3%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $160.6M
Point 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.
Last updated 2026-03-14
View all 5 articlesNo ask pi reports yet for this entity.
ask pi about Keystone DamSouthwest Power Pool (SWPP)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility