St. Joseph Solar
Solar power plant in St Joseph County, Indiana. 20 MW of nameplate capacity across 1 generator, operated by Indiana Michigan Power Co.
Also known as EIA plant 63801
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 20 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- March 2021First generator online
- Operator
- Indiana Michigan Power CoEIA operator ID 9324
- Grid
- PJMBalancing authority PJM
- Price nodes
- 1 PJM nodeResource nodes with prices
- Location
- St Joseph County, IN41.7311, −86.1083
- EIA plant ID
- 63801EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power St. Joseph Solar produces
Free · EIA-923Net generation, 2025
36.9 GWh
36,875 MWh, final
Capacity factor, 2025
21.0%
2024: 21.5%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2022 to 2025
23.5–37.8
GWh a year. Low 2022, 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 | 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 | 21,221 | Not reported | 10 of 12 |
| 2022 | 23,468 | 13.4% | 12 of 12 |
| 2023 | 32,401 | 18.5% | 12 of 12 |
| 2024 | 37,802 | 21.5% | 12 of 12 |
| 2025 | 36,875 | 21.0% | 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 account · PJMEmissions
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 |
|---|---|---|---|
| 1 | Solar Photovoltaic | 20.0 | March 2021 |
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 Indiana Michigan Power Co 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 St. Joseph Solar
More plants operated by Indiana Michigan Power Co
Questions about St. Joseph Solar
How much power does St. Joseph Solar produce?
St. Joseph Solar reported 36,875 MWh (36.9 GWh) of net generation in 2025, a 21.0% capacity factor on 20 MW of nameplate capacity.
Where is St. Joseph Solar?
St. Joseph Solar is in St Joseph County, Indiana, at 41.7311, −86.1083. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates St. Joseph Solar?
EIA-860M for August 2026 lists Indiana Michigan Power Co as the operator (EIA operator ID 9324). The operator is not always the owner.
When did St. Joseph Solar start operating?
Its first generator began operating in March 2021, according to EIA-860M.
Does InfraMap have power prices for St. Joseph Solar?
Yes. InfraMap has PJM day-ahead and real-time prices at 1 price node linked to St. Joseph 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)
- PJM 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