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Dardanelle

Hydro power plant · Pope County, Arkansas

Nameplate capacity
161 MW
Rank in Arkansas
#25
of 122 plants
In service since
1965
April 1965

Details

Primary fuel
Hydro
Technology
Conventional Hydroelectric
Operator
USCE-Little Rock District
County
Pope County
Generating units
4
Share of state capacity
0.84%
Rank among hydro plants in Arkansas
#2 of 19
EIA plant code
199

Generating units

Individual generating units at Dardanelle
UnitTechnologyNameplateSummerOnlineStatus
1Conventional Hydroelectric40 MW35 MW1965Operating
2Conventional Hydroelectric40 MW35 MW1965Operating
3Conventional Hydroelectric40 MW35 MW1965Operating
4Conventional Hydroelectric40 MW35 MW1966Operating

Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.

Similarly sized plants in Arkansas

West Memphis Solar StationSolar180 MW
Crooked Lake Solar, LLCSolar175 MW
AshdownOther157 MW
Fulton (AR)Natural gas155 MW

About this data

From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 161 MW solar plant and a 161 MW nuclear plant have the same entry here and produce very different amounts of electricity.

“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All Arkansas power plants · What Arkansas actually generates