← Back to map

John W Turk Jr Power Plant

Hempstead County, Arkansas · EIA plant ID 56564 · Operator: Southwestern Electric Power Co
CoalConventional Steam CoalSPPBA: SWPP
Nameplate609MWSummer 650 MW
Generators1in service
Net generation3,171GWh12 mo to Aug 2026
Capacity factor56%gas/coal/oil units, summer MW
Heat rate9,165Btu/kWhfossil units, electric fuel, HHV
First online2012Runs as baseload

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0100200300400GWh20132014201520162017201820192020202120222023202420252026

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%25%50%75%2012201420162018202020222024202655.7% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
4,0006,0008,00010,000201220142016201820202022202420269,165 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
201229565.1%4,858
20133,846.172.1%8,858
20144,422.682.9%9,038
20153,230.360.6%9,145
20163,748.870.1%9,181
20174,415.682.8%9,089
20184,18878.5%9,078
20194,01570.5%9,091
20203,519.361.6%9,219
20213,421.660.1%9,163
20223,681.364.6%9,187
20233,112.454.7%9,391
20242,743.248.0%9,732
20253,361.559.0%9,119

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
1Conventional Steam CoalST609650Dec 2012Operating—coming soon

Owner / operator

Operator: Southwestern Electric Power Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Southwestern Electric Power Co73.3%446 MW
Arkansas Electric Coop Corp11.7%71 MW
East Texas Electric Coop, Inc8.3%51 MW
Oklahoma Municipal Power Authority6.7%41 MW

Nearby plants

Within 80 km.
Fulton (AR)155 MW4.8 km
Southwest Arkansas Electric1 MW24.8 km
Ashdown157 MW27.4 km
UADA3 MW31.1 km
ACC2 MW31.1 km
International Paper Texarkana Mill65 MW49.9 km