USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

King Hill, ID · EIA plant 66326

Black Mesa BESS

Black Mesa BESS is a storage power facility in King Hill, ID, with 40 MW of operating capacity.

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Operating capacity40 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityIdaho Power CoEIA-reported operator
Balancing authorityIPCOIdaho Power Company

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Storage40 MW
ProposedNo proposed capacity reported
Reported technologiesBatteries

Nearby in ID

Related facilities

ID · 0.1 miBlack Mesa Solar, LLC40 MW →ID · 5.6 miBliss (ID)75 MW →ID · 7.6 miHigh Mesa40 MW →ID · 8.4 miTuana Springs17 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