HydroOperatingERCOT

Denison

Hydro power plant in Grayson County, Texas. 104.3 MW of nameplate capacity across 2 generators, operated by USCE-Tulsa District.

Also known as Denison Power Plant · EIA plant 6416

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WAL947Choctaw Nation Solar FarmButterfield Solar FarmWest Moore Solar IIHighway 56 SolarRayburn Energy Station LLCDenison10 km
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6 plants within 27 km, from EIA coordinates.

Key facts

Capacity
104.3 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
March 1945First generator online
Operator
USCE-Tulsa DistrictEIA operator ID 27470
Grid
ERCOTBalancing authority ERCO
Price nodes
1 ERCOT nodeResource nodes with prices
Location
Grayson County, TX33.8181, −96.5692
EIA plant ID
6416EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Denison produces

Free · EIA-923

Net generation, 2025

259 GWh

259,372 MWh, final

Capacity factor, 2025

28.4%

2024: 20.9%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

82.6–336.4

GWh a year. Low 2022, high 2016

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000194,075Not reported12 of 12
2001307,410Not reported12 of 12
2002192,702Not reported12 of 12
2003141,906Not reported12 of 12
2004153,015Not reported12 of 12
2005143,427Not reported12 of 12
200671,607Not reported12 of 12
2007389,746Not reported12 of 12
2008162,448Not reported12 of 12
2009194,897Not reported12 of 12
2010263,93343.0%12 of 12
201149,3888.1%12 of 12
201276,47112.4%12 of 12
201348,4997.9%12 of 12
201410,7511.8%12 of 12
2015267,119Not reported12 of 12
2016336,44737.7%12 of 12
2017297,92033.5%12 of 12
2018204,06322.9%12 of 12
2019249,59028.0%12 of 12
2020231,008Not reported12 of 12
2021202,26822.1%12 of 12
202282,572Not reported12 of 12
2023104,22511.4%12 of 12
2024191,90020.9%12 of 12
2025259,37228.4%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · ERCOT

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
1Conventional Hydroelectric53.5March 1945
2Conventional Hydroelectric50.8September 1949

Ownership and offtake

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Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists USCE-Tulsa District as the operator, which is not always the owner.

Modeled data

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Power plants near Denison

More plants operated by USCE-Tulsa District

Questions about Denison

How much power does Denison produce?

Denison reported 259,372 MWh (259 GWh) of net generation in 2025, a 28.4% capacity factor on 104.3 MW of nameplate capacity.

Where is Denison?

Denison is in Grayson County, Texas, at 33.8181, −96.5692. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).

Who operates Denison?

EIA-860M for August 2026 lists USCE-Tulsa District as the operator (EIA operator ID 27470). The operator is not always the owner.

When did Denison start operating?

Its first generator began operating in March 1945, according to EIA-860M.

Does InfraMap have power prices for Denison?

Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Denison, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page