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United States › Power plants › Oil-fired power plants › South Dakota

OIL-FIRED POWER PLANTS

Webster IC

Webster IC is a 2.6 MW retired oil-fired power plant in Day County, South Dakota, operated by NorthWestern Energy - (SD).

Plant statusClosed
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJan 1932 (completed)
  5. ClosedApr 2004 (current stage)

Open in Google MapsMore oil-fired power plants in South Dakota

Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
2Petroleum Liquids1.9 MW RetiredJun 1950Apr 2004
1Petroleum Liquids0.7 MW RetiredJan 1932Mar 2002

Plant details

Operator
NorthWestern Energy - (SD)
Location
Day County, South Dakota
Balancing authority
MISO
Sector
Electric Utility
Capacity
Retired: 2.6 MW
First unit online
Jan 1932
EIA plant ID
3348

Location

45.3300, -97.3311

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem