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Hot Spring Generating Facility — Power plant · Gas, combined cycle · Entergy Arkansas LLCHot Spring Generating Facility — Gas, combined cycle · AR · 714.9 MW · 0.0 km awayIronwood Power Station — Gas, combustion turbine · AR · 467.3 MW · 15.5 km away
  • Combustion
  • In development
  • Operating
  • 10 · 100 · 1,000 MW

Hot Spring Generating Facility

Power plant · Gas, combined cycle

Key facts

Power plant · Gas, combined cycleran 40% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2002
Net generation, 2025
2,526,218 MWh
Grid
500 kV to Entergy Arkansas Inc (MISO)
Location
Hot Spring County, Arkansas

Output

Net generation MWh by year, 2002 to 2026
Fuel burned MMBtu by year, 2002 to 2026
  • Gas

Operations detail

Details

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Technology
Gas, combined cycle source: “Natural Gas Fired Combined Cycle”
Age
24 years since 2002
Unused energy
3,736 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
7,442 Btu/kWh 2025
All 8 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
Gem
Parents
Name
Entergy Corp
Share pct
100
Gem entity id
E100000001209
Unit ids
G100000401920
Location id
L100000401909
Eia plant ids
55418
Grid
Nerc region
SERC
Report year
2025
Grid voltage kv
500
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
110006785540
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
1000815
Fuel burned (MMBtu), 202518,800,233
Capacity factor, 20250.403
Heat rate (Btu/kWh), 20257,442
Net generation (MWh), 20252,526,218
Balancing authority codeMISO

Ownership

2 companies2
Companies with an ownership or operating interest in this asset.
CompanyRoleShareAs ofSource
Entergy Arkansas LLC Operator EIA-860M
Entergy Corp Owner 100.0% 31 Dec 2023 EPA GHGRP

Timeline

  • In service · EIA-860M

Sources

5 sources

Sources EIA-860M · GEM · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)

Sources

Every source and license · Attribution

View at source

Around this plant

Nearby

within 25 km
Projects within 25 km, nearest first.
ProjectKindAwayMW
Hot Spring Generating Facility Postponed Gas, combined cycle 0.0 km 714.9
Ironwood Power Station Filed Gas, combustion turbine 15.5 km 467.3

Sources EIA-860M

Sources

Attribution