Ozark — Plant Summary
- EIA Plant ID
- 6142
- Capacity
- 100 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Franklin, AR
- Operating Since
- 1972
- Generators
- 5
- Operator
- USCE-Little Rock District
- Parent Company
- —
- Annual Generation
- 314,680 MWh
- Capacity Factor
- 36.0%
- Balancing Authority
- Southwestern Power Administration
- ISO/RTO
- —
- NERC Region
- MRO
Ozark
OperatingHydro
Ranked #5 of 19 Hydro plants in AR#189 of 1454 nationally
100 MW Hydro operating in Franklin, AR — Southwestern Power Administration
EIAGEMWD
100 MW
Nameplate Capacity
5
Generators
units
Conventional Hydroelectric
Technology
1972
Operating Since
Location
Coordinates
35.4693, -93.8175
County
Franklin, AR
Nearby Plants
- Thomas FitzhughNatural Gas325.5 MW · 1.4 km
- Arkansas ValleySolar1 MW · 4.8 km
- City of Paris SolarSolar1.5 MW · 20.2 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-Little Rock District | US Army Corps of Engineers - Little Rock District | — |
| Owner(s) | USCE-Little Rock District | US Army Corps of Engineers - Little Rock District [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as US Army Corps of Engineers - Little Rock District [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
The Ozark hydroelectric plant is located in Franklin County, Arkansas. The plant has a total capacity of 100 MW across five generators, and it began operating in 1972. The primary fuel source is water (WAT), and the plant utilizes conventional hydroelectric technology. The plant is operated by USCE-Little Rock District.
In the most recent year of data, the Ozark plant generated 314,680 MWh, achieving a capacity factor of 36.0%. The balancing authority is Southwestern Power Administration, and the plant is located within the MRO NERC region. Ozark ranks as the 5th largest of 5 hydroelectric plants in the state of Arkansas, and 193rd of 194 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Southwestern Power Administration
Grid Voltage
161 kV
Regulatory Status
RE
Entity Type
Federal
Sector
Electric Utility
Generation
25.5K MWh
Latest Month
314.7K MWh
Annual Generation
36.0%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
General
Little Rock District Hydropower Delivers Critical Energy During Winter Storm 2026
District hydropower plants generated more than 54000 megawatt hours of electricity.
Army.mil·4 weeks ago
General
Little Rock District Hydropower Delivers Critical Energy During Winter Storm 2026
District hydropower plants generated more than 54000 megawatt hours of electricity.
Army.mil·4 weeks ago
General
Corps of Engineers in Arkansas to increase hydropower production during winter storm
The U.S. Army Corps of Engineers, Little Rock District will bring its hydropower plants online to help meet energy demand as a winter storm...
Northwest Arkansas Democrat-Gazette·2 months ago
Grid·capacity addition
Corps of Engineers in Arkansas to increase hydropower production during winter storm
The U.S. Army Corps of Engineers, Little Rock District will bring its hydropower plants online to help meet energy demand as a winter storm...
U.S. Army Corps of Engineers (operator)
Northwest Arkansas Democrat-Gazette·2 months ago
Last updated 2026-03-26
View all 10 articles