St. Charles Power Plant

🛢 OilElectric Utility8 MW capacity

150th largest plant in Minnesota · 6091st nationally

St. Charles Power Plant is a oil power plant in Minnesota with a nameplate capacity of 8.8 MW. It generates roughly 82 MWh per year — enough to power about 7 average U.S. homes.

Its capacity factor of 0% reflects intermittent or peaking operation. At 1470 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.

PeakingMid-meritBaseload0%40%80%100%0%
Peaking — intermittent or backup
Capacity9 MWnameplate
Annual Generation82 MWhEPA eGRID
Capacity Factor0%of theoretical max
Annual CO₂60metric tons

Location

Plant NameSt. Charles Power Plant
OperatorCity Of St Charles - (Mn)
CitySt. Charles
CountyWinona County
StateMinnesota
ZIP55972
Coordinates43.97420, -92.05970

This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.

Natural GasCoalOilWindSolarBiomass

Generators (4)

IDTechnologyFuelCapacityStatusOnline
1Petroleum LiquidsDistillate Oil2.2 MWOperating2004
2Petroleum LiquidsDistillate Oil2.2 MWOperating2004
3Petroleum LiquidsDistillate Oil2.2 MWOperating2004
4Petroleum LiquidsDistillate Oil2.2 MWOperating2004

Emissions (annual)

CO₂60 metric tons
NOₓ1 metric tons
CO₂ Rate1470 lb/MWh
U.S. grid average800 lb/MWhNatural gas combined-cycle average900 lb/MWhThis plant1,469 lb/MWhCoal plant average2,100 lb/MWh

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 RegionMRO
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc..

About Oil plants

Oil-fired plants typically run only during peak demand or grid emergencies because oil is expensive compared to gas and coal. They have the highest CO₂ emissions per MWh of any common generation technology.

Other plants in Winona County

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