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9.8 MW Conventional Hydroelectric (0 MW) + Natural Gas Internal Combustion Engine (10 MW) operating in Calhoun, MI — Midcontinent Independent Transmission System Operator, Inc..
9.8 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Conventional Hydroelectric + Natural Gas Internal Combustion Engine
1928
Operating Since
Coordinates
42.2717, -84.9411
County
Calhoun, MI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Marshall - (MI) | — | — |
| Owner(s) | City of Marshall - (MI) | — | — |
| Status | Operating | — | — |
Located in Calhoun County, Michigan, the Marshall power plant (EIA plant code 1844) is a hybrid facility utilizing both conventional hydroelectric and natural gas internal combustion engine technologies. The plant, owned and operated by the City of Marshall, has a total capacity of 9.8 MW distributed across 5 generators. Commissioned in 1928, Marshall is fueled primarily by natural gas.
The Marshall plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. In terms of size, the plant is ranked 49th out of 62 power plants in Michigan, and 1454th nationally out of 1963 plants. The latest annual generation data indicates an output of 704 MWh, resulting in a capacity factor of 0.8%.
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
12.47 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
54 MWh
Latest Month
704 MWh
Annual Generation
0.8%
Capacity Factor
CO₂ Intensity
654 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
13 lb/MWh
SO₂
0.018 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
0.7%
Annual Net Gen
1 GWh
CO₂eq
655 lb/MWh
Subregion
RFC Michigan
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $22.5M
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Node Source
OSM spatial match
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