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5.6 MW Conventional Hydroelectric (0 MW) + Petroleum Liquids (5 MW) operating in Gratiot, MI — Midcontinent Independent Transmission System Operator, Inc..
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
| 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
0 MWh
Latest Month
29 MWh
Annual Generation
0.1%
Capacity Factor
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
2013
$765/kW
Est. Construction Cost
Total estimated cost: $4.3M
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 news articles linked yet for this plant.
News enrichment runs on demand — we have the pipeline, we just haven't fetched coverage for this plant yet. Request a detailed re-run and we'll add it.
No ask pi reports yet for this entity.
ask pi about St LouisMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
4.1 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
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