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5.6 MW Conventional Hydroelectric (0 MW) + Petroleum Liquids (5 MW) operating in Gratiot, MI
5.6 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
Conventional Hydroelectric + Petroleum Liquids
1919
Operating Since
Coordinates
43.4019, -84.6014
County
Gratiot, MI
Nearby Plants
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of St Louis - (MI) | — | — |
| Owner(s) | City of St Louis - (MI) | — | — |
| Status | Operating | — | — |
The St Louis power plant, located in Gratiot County, Michigan, is a hybrid facility utilizing both conventional hydroelectric and petroleum liquids. It is owned and operated by the City of St Louis (MI). The plant has a total capacity of 5.6 MW distributed across 6 generators. Commissioned in 1919, St Louis is one of the older operating power plants in the state.
The plant's primary fuel is distillate fuel oil (DFO). In the most recent year of data, the plant generated 29 MWh of electricity, resulting in a capacity factor of 0.1%. The St Louis plant operates within the Midcontinent Independent Transmission System Operator (MISO) market and balancing authority. According to state rankings, the plant is the 20th largest of 26 facilities in Michigan, and it ranks 504th out of 886 nationally. The plant's NERC region is RFC.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
4.1 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
0 MWh
Latest Month
29 MWh
Annual Generation
0.1%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
95 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
2 lb/MWh
SO₂
0.169 lb/MWh
CH₄
0.004 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
0.3%
Annual Net Gen
0 GWh
CO₂eq
96 lb/MWh
Subregion
RFC Michigan
2013
$765/kW
Est. Construction Cost
Total estimated cost: $4.3M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point of Interconnection
Nearest Substation
St Louis Substation · 46 kV
Substation Distance
< 10 km
Operator
Consumers Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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