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400 MW Batteries (200 MW) + Solar Photovoltaic (200 MW) planned in Beaverhead, MT
400 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Coordinates
45.0503, -113.0588
County
Beaverhead, MT
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | ARFL bn, LLC | — | — |
| Owner(s) | Cordelio BNC Holdings, LLC, WestDevCo bn, LLC | — | — |
| Status | Planned | pre-construction | — |
Antelope Hills Solar Generation BESS is a hybrid power plant located in Beaverhead County, Montana. The facility, owned and operated by ARFL bn, LLC, has a total capacity of 400 MW. It is Montana's largest solar facility and the 96th largest in the United States.
The plant utilizes both solar photovoltaic technology and batteries for energy storage, with two generators on site. The primary fuel source is listed as MWH, indicating the plant draws power from the grid to charge its batteries. The solar arrays use a fixed tilt tracking system. Antelope Hills Solar Generation BESS operates within the NorthWestern Energy (NWMT) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
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Request a demo →2023
$1,544/kW
Est. Construction Cost
Total estimated cost: $617.6M
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Request a demo →This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
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Request a demoNorthWestern Energy (NWMT) (NWMT)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Top 10 solar states
Data tables and metrics from the InfraSure database.