Prairie Mist Solar
Solar power plant in Ashley County, Arkansas. 109.2 MW of nameplate capacity across 1 generator, operated by Prairie Mist Solar Project, LLC.
Also known as EIA plant 66625
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 109.2 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 2024First generator online
- Operator
- Prairie Mist Solar Project, LLCEIA operator ID 65648
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Ashley County, AR33.2554, −91.6689
- EIA plant ID
- 66625EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Prairie Mist Solar produces
Free · EIA-923Net generation, 2025
232 GWh
232,039 MWh, final
Capacity factor, 2025
24.3%
2024: Not reported
January to July 2026
139 GWh
Provisional
| 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 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | 43,458 | Not reported | 4 of 12 |
| 2025 | 232,039 | 24.3% | 12 of 12 |
| 2026 (provisional, partial year) | 138,623 | 24.9% | 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 CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 78661 | Solar Photovoltaic | 109.2 | September 2024 |
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 Prairie Mist Solar Project, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about Prairie Mist Solar
How much power does Prairie Mist Solar produce?
Prairie Mist Solar reported 232,039 MWh (232 GWh) of net generation in 2025, a 24.3% capacity factor on 109.2 MW of nameplate capacity. From January to July 2026 it reported 139 GWh, which is provisional.
Where is Prairie Mist Solar?
Prairie Mist Solar is in Ashley County, Arkansas, at 33.2554, −91.6690. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Prairie Mist Solar?
EIA-860M for August 2026 lists Prairie Mist Solar Project, LLC as the operator (EIA operator ID 65648). The operator is not always the owner.
When did Prairie Mist Solar start operating?
Its first generator began operating in September 2024, according to EIA-860M.
Does InfraMap have power prices for Prairie Mist Solar?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Prairie Mist Solar, 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)
- MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page