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United States › Power plants › Gas power plants › South Dakota

GAS POWER PLANTS

Lange Generating Station

Lange Generating Station is a 140 MW operating gas power plant in Pennington County, South Dakota, operated by Black Hills Power, Inc..

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingMar 2002 (current stage)
  5. Closed (not yet reached)

This plant has generators at more than one stage; see the table below.

Open in Google MapsMore gas power plants in South Dakota

Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
0001Natural Gas Fired Combustion Turbine40 MW OperatingMar 2002
IC01Natural Gas Internal Combustion Engine17 MW Under construction (over 50%)Target Dec 2026
IC02Natural Gas Internal Combustion Engine17 MW Under construction (over 50%)Target Dec 2026
IC03Natural Gas Internal Combustion Engine17 MW Under construction (over 50%)Target Dec 2026
IC04Natural Gas Internal Combustion Engine17 MW Under construction (over 50%)Target Dec 2026
IC05Natural Gas Internal Combustion Engine17 MW Under construction (over 50%)Target Dec 2026
IC06Natural Gas Internal Combustion Engine17 MW Under construction (over 50%)Target Dec 2026

Plant details

Operator
Black Hills Power, Inc.
Location
Pennington County, South Dakota
Balancing authority
WACM
Sector
Electric Utility
Capacity
Operating: 40.0 MW
Under construction: 99.6 MW
First unit online
Mar 2002
EIA plant ID
55478

Location

44.1218, -103.2641

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