USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordProposed

Grant, MT · EIA plant 68315

Anthelope Hills Solar Generation BESS

Anthelope Hills Solar Generation BESS is a solar power facility in Grant, MT, with 400 MW of proposed capacity.

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Operating capacity0 MW0 operating generators
Proposed capacity400 MW2 proposed generators
UtilityARFL bn, LLCEIA-reported operator
Balancing authorityNWMTNorthWestern Energy (NWMT)

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Solar200 MW
Storage200 MW
Reported technologiesBatteriesSolar Photovoltaic

Nearby in MT

Related facilities

MT · 19.9 miApex Solar80 MW →MT · 66.1 miBasin Creek Plant55 MW →MT · 73.4 miDave Gates Generating Station203 MW →MT · 75.6 miMadison Dam16 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