Mabelvale

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Power plant · Gas, combustion turbine

Key facts

Power plant · Gas, combustion turbine Retired

Capacity: Capacity: sourceEIA-860M · 4 Nov 2026Open licenseMW

Commissioned: 1970
Net generation, 2015: 0 MWh
Grid: 115 kV to Entergy Arkansas Inc (MISO)
Location: Pulaski County, Arkansas
Operated by: Entergy Arkansas LLC

Output

Net generation MWh by year, 2001 to 2016

Fuel burned MMBtu by year, 2001 to 2016

Operations detail

Details

Who’s behind it

Owner: Entergy Corp

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Technology: Gas, combustion turbine source: “Natural Gas Fired Combustion Turbine”
Age: 56 years since 1970

All 2 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
EPA greenhouse gas reporting (GHGRP)	EPA FRS ID 110043785268 NAICS code 221112 Subpart PP (CO2 supply) No Subpart RR (geologic sequestration) No Subpart UU (CO2 injection) No Reporting year 2023 GHGRP facility ID 1000574
Balancing authority code	MISO

Retirement

Retired: June 2016
First unit retired: December 2013
Capacity retired: 78 MW
Generators retired: 4

Generators that retired or are scheduled to retire
Generator	Technology	Nameplate	State	Date
2	Natural Gas Fired Combustion Turbine	19.5 MW	Retired	December 2013
4	Natural Gas Fired Combustion Turbine	19.5 MW	Retired	December 2013
1	Natural Gas Fired Combustion Turbine	19.5 MW	Retired	June 2016
3	Natural Gas Fired Combustion Turbine	19.5 MW	Retired	June 2016

Grid

Grid voltage at the plant: 115 kV
Transmission or distribution system owner: Entergy Arkansas Inc
Balancing authority: Midcontinent Independent Transmission System Operator, Inc..
NERC region: SERC

Transmission lines within 25 km (7)

Mabelvale Substation - Wrightsville 500 kV 500 kV · 0.2 km
Mabelvale Substation - Mayflower 500 kV 500 kV · 0.2 km
Mabelvale Substation - Arkansas Nuclear One 500 kV 500 kV · 0.2 km
Mabelvale Substation - Sheridan 500 kV 500 kV · 0.2 km
Wrightsville - Keo Substation 500 kV 500 kV · 18.3 km
Little Rock Pinnacle 161 kV line 161 kV · 20.7 km
Gravel Ridge South 115 kV line 115 kV · 21.2 km

Can the connection be reused?

A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.