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714.8 MW Natural Gas operating in Hot Spring, AR
714.8 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Coordinates
34.2976, -92.8683
County
Hot Spring, AR
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Entergy Arkansas LLC | Entergy Arkansas | — |
| Owner(s) | Entergy Arkansas LLC | Entergy | — |
| Status | Operating | — | — |
The Hot Spring Generating Facility is a 714.8 MW natural gas-fired combined cycle power plant located in Hot Spring County, Arkansas. It began operating in 2002 and consists of 3 generators. The plant is owned by Entergy and operated by Entergy Arkansas LLC. It is the third-largest power plant in Arkansas out of 12, and ranks 299th nationally out of 945 plants.
In the most recent year of record, the Hot Spring Generating Facility produced 2,526,218 MWh of electricity, achieving a capacity factor of 40.3%. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and is located in the SERC NERC region. Financial data indicates an installed cost of $460.4 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
500.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
140.1K MWh
Latest Month
2.5M MWh
Annual Generation
40.3%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
875 lb/MWh
NOx
0.081 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
34.7%
Annual Net Gen
2173 GWh
CO₂eq
876 lb/MWh
Subregion
SERC Mississippi Valley
Gas turbine · Entergy Arkansas, Inc. · Data from 2015–2024
$503/kW
Installed Cost
$2/kW
Annual CapEx
$26.4/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
MISO
LMP Node
EAI.CC.HT_SPR1
Pricing Hub
ARKANSAS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-05-31
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