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609 MW Sub. Coal operating in Hempstead, AR — Southwest Power Pool
609 MW
Nameplate Capacity
1
Generators
unit
Conventional Steam Coal
Technology
2012
Operating Since
Coordinates
33.6497, -93.8119
County
Hempstead, AR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Southwestern Electric Power Co | Southwestern Electric Power | — |
| Owner(s) | Arkansas Electric Coop Corp, East Texas Electric Coop, Inc, Oklahoma Municipal Power Authority, Southwestern Electric Power Co | American Electric Power Company | — |
| Status | Operating | — | — |
The John W. Turk Jr. Coal Plant is a 650 megawatt coal-fired power station in Fulton, Arkansas, operated by the American Electric Power subsidiary Southwestern Electric Power Company (SWEPCO). It provides power to customers in Arkansas, Louisiana, and Texas.
Read more on WikipediaThe John W Turk Jr Power Plant is a 609 MW coal-fired power plant located in Hempstead County, Arkansas. The plant began operating in 2012 and is owned by American Electric Power Company, with Southwestern Electric Power Co. as the operator. It utilizes conventional steam coal technology with subbituminous coal (SUB) as its primary fuel source. The plant has one generator. It ranks as the 4th largest of 5 power plants in Arkansas, and 50th of 75 nationally.
The plant operates within the Southwest Power Pool (SPP) balancing authority and the MRO NERC region. Its latest annual generation was 3,361,493 MWh, resulting in a capacity factor of 63.0%. Financial data indicates an installed cost of $3,149.32 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwest Power Pool (SWPP)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
370.2K MWh
Latest Month
3.4M MWh
Annual Generation
63.0%
Capacity Factor
CO₂ Intensity
2035 lb/MWh
NOx
0.393 lb/MWh
SO₂
0.367 lb/MWh
CH₄
0.227 lb/MWh
N₂O
0.033 lb/MWh
Capacity Factor
58.3%
Annual Net Gen
3112 GWh
CO₂eq
2050 lb/MWh
Subregion
SPP South
Steam turbine · Southwestern Electric Power Company · Data from 2015–2024
$3,255/kW
Installed Cost
$-3,223/kW
Annual CapEx
$33.3/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
SPP
LMP Node
CSWSWTURK
Pricing Hub
SPP South Hub
Location Type
Settlement Location
Node Source
Curated node match
Last updated 2026-03-14
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