MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/6098
EIA plant 6098

Big Stone City · Grant · SD

Big Stone

Operated by Otter Tail Power Co

Annual generation1,565,696 MWhSum of represented EIA-923 rows
Fuel codesSUB, DFOCodes retained from EIA records
Grid contextMidcontinent Independent Transmission System Operator, Inc..Balancing authority or NERC region

Published location

Where is Big Stone?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

45.303652, -96.510067

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Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
1210,133 MWh
2120,317 MWh
3111,971 MWh
479,404 MWh
5104,644 MWh
6140,019 MWh
7184,223 MWh
8144,797 MWh
9107,341 MWh
1032,430 MWh
11126,046 MWh
12204,371 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional Steam CoalSUB450OP
D1Petroleum LiquidsDFO1SB

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Identity, technology and limitations
EIA plant ID
6098
Sector
Electric Utility
Water source
Big Stone Lake
Data edition
2024-final