Grayling Generating Station

🌿 BiomassIPP Non-CHP38 MW capacity

86th largest plant in Michigan · 3967th nationally

Grayling Generating Station is a biomass power plant in Michigan with a nameplate capacity of 38.6 MW. It generates roughly 134.1k MWh per year — enough to power about 12,773 average U.S. homes.

Its capacity factor of 40% reflects intermittent or peaking operation.

PeakingMid-meritBaseload0%40%80%100%40%
Peaking — intermittent or backup

Month by month in 2024

100% capacity0Jan: 16.0k MWh (56% of capacity)JFeb: 12.6k MWh (49% of capacity)FMar: 13.2k MWh (46% of capacity)MApr: 9.5k MWh (34% of capacity)AMay: 14.8k MWh (51% of capacity)MJun: 14.5k MWh (52% of capacity)JJul: 15.0k MWh (52% of capacity)JAug: 14.7k MWh (51% of capacity)ASep: 13.8k MWh (50% of capacity)SOct: 12.6k MWh (44% of capacity)ONov: 13.6k MWh (49% of capacity)NDec: 14.2k MWh (50% of capacity)D

Ghost bars are each month's theoretical maximum (38.6 MW nameplate × hours in the month). Filled bars are actual net generation reported to EIA Form 923. The gap between them is capacity factor made visible.

Capacity39 MWnameplate
Annual Generation134.1k MWhEPA eGRID
Capacity Factor40%of theoretical max
Annual CO₂metric tons

Location

Plant NameGrayling Generating Station
OperatorNorthstar Clean Energy
CityGrayling
CountyCrawford County
StateMichigan
ZIP49738
Coordinates44.60492, -84.69058
Biomass

Generators (1)

IDTechnologyFuelCapacityStatusOnline
GEN1Wood/Wood Waste BiomassWood/Wood Waste38.6 MWOperating1992

Ownership

OwnerLocationShare
Grayling Development PartnersJackson, MI5000.0%
Cms Generation Holdings CoJackson, MI4900.0%
Cms Generation Grayling CoJackson, MI100.0%

Ownership reported to EIA Form 860. Percentages reflect reported generator-level ownership share, averaged when a plant has multiple generators.

Emissions (annual)

SO₂12 metric tons
NOₓ134 metric tons

Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.

Grid context

NERC RegionRFC
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc..

About Biomass plants

Biomass plants burn wood, agricultural waste, or methane from landfills to generate steam and electricity. They are considered carbon-neutral over long timescales when fuel is sustainably sourced, but they produce particulate emissions similar to coal.

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