USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordMixed

Rapid City, SD · EIA plant 55478

Lange Generating Station

Lange Generating Station is a oil & gas power facility in Rapid City, SD, with 40 MW of operating capacity.

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Operating capacity40 MW1 operating generators
Proposed capacity100 MW6 proposed generators
UtilityBlack Hills Power, Inc.EIA-reported operator
Balancing authorityWACMWestern Area Power Administration - Rocky Mountain Region

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas40 MW
Proposed
Oil & gas100 MW
Reported technologiesNatural Gas Fired Combustion TurbineNatural Gas Internal Combustion Engine

Nearby in SD

Related facilities

SD · 2.4 miBen French110 MW →SD · 21.3 miWild Springs128 MW →SD · 38.2 miSpearfish Hydro4 MW →SD · 48.7 miWillow Creek Wind Power LLC105 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source