St Louis
Oil and hydro power plant in Gratiot County, Michigan. 1.9 MW of nameplate capacity across 3 generators, operated by City of St Louis - (MI).
Also known as EIA plant 1852
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1.9 MWOil 1.5 · Hydro 0.4
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- January 1919First generator online
- Operator
- City of St Louis - (MI)EIA operator ID 17886
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Gratiot County, MI43.4019, −84.6014
- EIA plant ID
- 1852EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power St Louis produces
Free · EIA-923Net generation, 2025
8 MWh
8 MWh, final
Capacity factor, 2025
0.0%
2024: 0.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.0–1.0
GWh a year. Low 2025, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | 50 | Not reported | 12 of 12 |
| 2003 | 7 | Not reported | 12 of 12 |
| 2004 | 274 | Not reported | 12 of 12 |
| 2005 | 362 | Not reported | 12 of 12 |
| 2006 | 888 | Not reported | 12 of 12 |
| 2007 | 513 | Not reported | 12 of 12 |
| 2008 | 504 | Not reported | 12 of 12 |
| 2009 | 692 | Not reported | 12 of 12 |
| 2010 | 802 | 1.3% | 12 of 12 |
| 2011 | 855 | 1.4% | 12 of 12 |
| 2012 | 736 | 1.2% | 12 of 12 |
| 2013 | 676 | 1.1% | 12 of 12 |
| 2014 | 666 | 1.1% | 12 of 12 |
| 2015 | 742 | 1.2% | 12 of 12 |
| 2016 | 800 | 1.3% | 12 of 12 |
| 2017 | 867 | 1.4% | 12 of 12 |
| 2018 | 1,046 | 1.7% | 12 of 12 |
| 2019 | 1,012 | 1.6% | 12 of 12 |
| 2020 | 720 | 1.2% | 12 of 12 |
| 2021 | 432 | 0.7% | 12 of 12 |
| 2022 | 456 | 0.7% | 12 of 12 |
| 2023 | 175 | 0.3% | 12 of 12 |
| 2024 | 29 | 0.1% | 12 of 12 |
| 2025 | 8 | 0.0% | 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 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.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 5 | Conventional Hydroelectric | 0.2 | January 1919 |
| 6 | Conventional Hydroelectric | 0.2 | January 1919 |
| 8 | Petroleum Liquids | 1.5 | May 2003 |
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 City of St Louis - (MI) 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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Questions about St Louis
How much power does St Louis produce?
St Louis reported 8 MWh (8 MWh) of net generation in 2025, a 0.0% capacity factor on 1.9 MW of nameplate capacity.
Where is St Louis?
St Louis is in Gratiot County, Michigan, at 43.4019, −84.6014. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates St Louis?
EIA-860M for August 2026 lists City of St Louis - (MI) as the operator (EIA operator ID 17886). The operator is not always the owner.
Is St Louis a oil or a hydro plant?
Both. Oil capacity totals 1.5 MW and hydro capacity totals 0.4 MW.
When did St Louis start operating?
Its first generator began operating in January 1919, 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