How many coal power plants are in South Dakota?

1, with 451 MW of nameplate capacity between them, spread over 1 county. That is the EIA-860M operating count for 2026-07.

Is there a map of South Dakota coal power plants?

Yes — the map above. Each dot is one coal power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest coal power plant in South Dakota?

Big Stone, at 451 MW. The table is sorted largest first, so the rest follow it.

Is there a coal power plant near me in South Dakota?

The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.

Which grid operator runs South Dakota's coal power plants?

Most of them sit inside MISO, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.

How current is this, and what is left out?

EIA-860M for 2026-07. Conventional steam coal and integrated gasification combined cycle. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.

Coal Power Plants in South Dakota

Every operating coal power plant in South Dakota on EIA-860M for 2026-07: 1 plants, 2 generating units and 451 MW of nameplate capacity across 1 county, most of it inside MISO.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 1; 2 generating units
Nameplate capacity: 451 MW
Counties: 1
Grid operator: MISO; covers most of these plants

Map of coal power plants in South Dakota

Every one of the 1 plants is drawn at the coordinate EIA files for it.

Loading map…

Coal · 1

List of coal power plants in South Dakota

Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.

coal power plants in South Dakota

Big Stone2 technologies	Otter Tail Power Co	Grant	451	2	1975	Operating

Largest coal power plants in South Dakota

1Big StoneGrant County, South Dakota451 MW

Coal power plants by county in South Dakota

The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.

County	Plants	Nameplate MW
Grant	1	451

Coal Power Plants in South Dakota: FAQ

How many coal power plants are in South Dakota?: 1, with 451 MW of nameplate capacity between them, spread over 1 county. That is the EIA-860M operating count for 2026-07.
Is there a map of South Dakota coal power plants?: Yes — the map above. Each dot is one coal power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest coal power plant in South Dakota?: Big Stone, at 451 MW. The table is sorted largest first, so the rest follow it.
Is there a coal power plant near me in South Dakota?: The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
Which grid operator runs South Dakota's coal power plants?: Most of them sit inside MISO, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.
How current is this, and what is left out?: EIA-860M for 2026-07. Conventional steam coal and integrated gasification combined cycle. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.