Grant, South Dakota · Plant code 6098

Big Stone

Big Stone is a col plant in Grant, South Dakota. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

Primary fuel Col

Route-friendly label and badge.

Total capacity 451 MW

Plant nameplate capacity.

Annual generation 1,565,696 MWh

Annual output from imported EIA and EPA records.

Capacity factor 40%

A simple way to compare utilization.

Operations

Operations details

Sector Electric Utility

Utility, IPP, industrial, or commercial style ownership.

Status Operating

Current operating status in the imported records.

Online year 1,975

Useful for technology-vintage context.

Location Big Stone City, South Dakota

County and state routing anchor.

Emissions

Emissions details

CO2 1,740,295 tons

Annual plant-level total.

SO2 604 tons

Annual sulfur dioxide.

NOx 660 tons

Annual nitrogen oxides.

CO2 rate 2,222 lbs/MWh

Emission intensity, when available.

Fuel mix

Generation by fuel at the site.

Col 1,562,679 MWh · 100% of generation

Oil 3,017 MWh · 0% of generation

Coal 0 MWh · 0% of generation

Orw 0 MWh · 0% of generation

Ownership

Who owns the plant.

Owner Otter Tail Power Co

53.9%

Owner NorthWestern Energy - (SD)

23.4%

Owner Montana-Dakota Utilities Co

22.7%

Generators

Generator-level detail

Generator	Technology	Fuel	Capacity	Status	Online
1	Conventional Steam Coal	Coal	450 MW	Operating	1,975
D1	Petroleum Liquids	Oil	1 MW	Standby	1,975

Generation trend

Monthly output pattern

210,133 MWh

Jan

120,317 MWh

Feb

111,971 MWh

Mar

79,404 MWh

Apr

104,644 MWh

May

140,019 MWh

Jun

184,223 MWh

Jul

144,797 MWh

Aug

107,341 MWh

Sep

32,430 MWh

Oct

126,046 MWh

Nov

204,371 MWh

Dec

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Related routes

Context around this plant

County page

Grant overview

See the local plant cluster around this site.

5 plants

State page

South Dakota

Back out to the wider state fuel mix.

53 plants

Fuel page

Col plants

Compare this site to plants using the same primary fuel.

398 plants