USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Gillette, WY · EIA plant 7504

Neil Simpson II

Neil Simpson II is a coal power facility in Gillette, WY, with 130 MW of operating capacity.

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Operating capacity130 MW2 operating generators
Proposed capacity0 MW0 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
Coal90 MW
Oil & gas40 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Steam CoalNatural Gas Fired Combustion Turbine

Nearby in WY

Related facilities

WY · 0.0 miWygen 190 MW →WY · 0.2 miNeil Simpson Gas Turbine #240 MW →WY · 0.3 miWyodak362 MW →WY · 0.4 miWygen 295 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