Marshall Solar Plus LLC
Solar and battery storage project in Lyon County, Minnesota. 15 MW of nameplate capacity across 2 generators, operated by Western Minnesota Mun Pwr Agny.
Also known as EIA plant 67545
This project groups Marshall Solar Plus LLC (EIA 67545). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 15 MWSolar 10.0 · Battery storage 5.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 2024First generator online
- Operator
- Western Minnesota Mun Pwr AgnyEIA operator ID 20421
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Lyon County, MN44.4699, −95.7792
- EIA plant ID
- 67545EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Marshall Solar Plus produces
Free · EIA-923Net generation, 2025
17.2 GWh
17,185 MWh, final
Capacity factor, 2025
21.2%
2024: Not reported
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2024 to 2025
0.5–17.2
GWh a year. Low 2024, high 2025
| 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 | 539 | Not reported | 12 of 12 |
| 2025 | 17,185 | 21.2% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 |
|---|---|---|---|
| MARSL | Solar Photovoltaic | 10.0 | December 2024 |
| MARST | Batteries | 5.0 | December 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 Western Minnesota Mun Pwr Agny 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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Power plants near Marshall Solar Plus
More plants operated by Western Minnesota Mun Pwr Agny
Questions about Marshall Solar Plus
How much power does Marshall Solar Plus LLC produce?
Marshall Solar Plus LLC reported 17,185 MWh (17.2 GWh) of net generation in 2025, a 21.2% capacity factor on 15 MW of nameplate capacity.
Where is Marshall Solar Plus LLC?
Marshall Solar Plus LLC is in Lyon County, Minnesota, at 44.4699, −95.7792. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Marshall Solar Plus LLC?
EIA-860M for August 2026 lists Western Minnesota Mun Pwr Agny as the operator (EIA operator ID 20421). The operator is not always the owner.
Is Marshall Solar Plus LLC a solar or a battery storage plant?
Both. Solar capacity totals 10 MW and battery storage capacity totals 5 MW.
When did Marshall Solar Plus LLC start operating?
Its first generator began operating in December 2024, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page