Magnet Cove
Natural gas power plant in Hot Spring County, Arkansas. 746 MW of nameplate capacity across 3 generators, operated by Arkansas Electric Coop Corp.
Also known as Magnet Cove Generating Station · EIA plant 55714
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Key facts
- Capacity
- 746 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- July 2005First generator online
- Operator
- Arkansas Electric Coop CorpEIA operator ID 807
- Grid
- MISOBalancing authority MISO
- Price nodes
- 4 MISO nodesResource nodes with prices
- Location
- Hot Spring County, AR34.4297, −92.8317
- EIA plant ID
- 55714EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Magnet Cove produces
Free · EIA-923Net generation, 2025
3.59 TWh
3,593,788 MWh, final
Capacity factor, 2025
55.0%
2024: 65.0%
January to July 2026
2.50 TWh
Provisional
Range, 2015 to 2025
0.7–4.3
TWh a year. Low 2015, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | 452,429 | Not reported | 12 of 12 |
| 2006 | 1,474,438 | Not reported | 12 of 12 |
| 2007 | 1,661,335 | Not reported | 12 of 12 |
| 2008 | 2,004,043 | Not reported | 12 of 12 |
| 2009 | 2,778,256 | Not reported | 12 of 12 |
| 2010 | 1,826,383 | 27.9% | 12 of 12 |
| 2011 | 608,212 | 9.3% | 12 of 12 |
| 2012 | 2,578,521 | 39.3% | 12 of 12 |
| 2013 | 1,098,071 | Not reported | 12 of 12 |
| 2014 | 131,859 | 2.0% | 12 of 12 |
| 2015 | 712,909 | 10.9% | 12 of 12 |
| 2016 | 2,046,994 | 31.2% | 12 of 12 |
| 2017 | 1,380,835 | 21.1% | 12 of 12 |
| 2018 | 1,834,885 | 28.1% | 12 of 12 |
| 2019 | 1,705,578 | 26.1% | 12 of 12 |
| 2020 | 1,711,247 | 26.1% | 12 of 12 |
| 2021 | 1,264,693 | 19.4% | 12 of 12 |
| 2022 | 3,311,472 | 50.7% | 12 of 12 |
| 2023 | 3,377,782 | 51.7% | 12 of 12 |
| 2024 | 4,259,463 | 65.0% | 12 of 12 |
| 2025 | 3,593,788 | 55.0% | 12 of 12 |
| 2026 (provisional, partial year) | 2,504,131 | 66.0% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · MISOEmissions
Free · EPA CAMPDCO₂, 2025
1.50M
US short tons. 2024: 1.75M
SO₂, 2025
8
US short tons
NOx, 2025
164
US short tons
CO₂ per MWh, calculated
0.42 t
About 833 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (SN-01, SN-02), matched to EIA plant 55714 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
841
million gallons
Consumption, 2024
837
million gallons
Source
Ouachita River
Surface, Fresh. Induced-draft tower
Watershed stress
Low · 0.225
USGS SUI, HUC12 Stone Quarry Creek-Ouachita River
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GT1 | Natural Gas Fired Combined Cycle | 242.0 | July 2005 |
| GT2 | Natural Gas Fired Combined Cycle | 242.0 | January 2006 |
| ST1 | Natural Gas Fired Combined Cycle | 262.0 | July 2005 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Arkansas Electric Coop Corp as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Magnet Cove
More plants operated by Arkansas Electric Coop Corp
Questions about Magnet Cove
How much power does Magnet Cove produce?
Magnet Cove reported 3,593,788 MWh (3.59 TWh) of net generation in 2025, a 55.0% capacity factor on 746 MW of nameplate capacity. From January to July 2026 it reported 2.50 TWh, which is provisional.
Where is Magnet Cove?
Magnet Cove is in Hot Spring County, Arkansas, at 34.4297, −92.8317. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Magnet Cove?
EIA-860M for August 2026 lists Arkansas Electric Coop Corp as the operator (EIA operator ID 807). The operator is not always the owner.
When did Magnet Cove start operating?
Its first generator began operating in July 2005, according to EIA-860M.
Does InfraMap have power prices for Magnet Cove?
Yes. InfraMap has MISO day-ahead and real-time prices at 4 price nodes linked to Magnet Cove, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page