McClellan (AR)

Power plant · Gas, steam turbine

Key facts

Power plant · Gas, steam turbine Operating

Commissioned: 1972
Net generation, 2025: 23,758 MWh
Grid: 115 kV to Entergy Arkansas Inc (MISO)
Location: Ouachita County, Arkansas
Operated by: Arkansas Electric Coop CorpSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Net generation MWh by year, 2001 to 2025

Fuel burned MMBtu by year, 2001 to 2025

Owner: Arkansas Electric Coop CorpSource100.0%, EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT), as of 31 Dec 2023

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Technology: Gas, steam turbine source: “Natural Gas Steam Turbine”
Age: 54 years since 1972
Unused energy: 1,168 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate: 13,874 Btu/kWh 2025

All 7 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Grid	Nerc region SERC Report year 2025 Grid voltage kv 115 Transmission owner Entergy Arkansas Inc Balancing authority code MISO Balancing authority name Midcontinent Independent Transmission System Operator, Inc..
EPA greenhouse gas reporting (GHGRP)	EPA FRS ID 110000450985 Subparts reported C, D NAICS code 221112 Subpart PP (CO2 supply) No Subpart RR (geologic sequestration) No Subpart UU (CO2 injection) No Reporting year 2023 GHGRP facility ID 1006593
Fuel burned (MMBtu), 2025	329,630
Capacity factor, 2025	0.020
Heat rate (Btu/kWh), 2025	13,874.5
Net generation (MWh), 2025	23,758
Balancing authority code	MISO

4 sources

Sources