400 MW Batteries (200 MW) + Solar Photovoltaic (200 MW) planned in Beaverhead, MT — NorthWestern Energy (NWMT)
400 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Coordinates
45.0503, -113.0588
County
Beaverhead, MT
| 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
NERC Region
WECC
Balancing Authority
NorthWestern Energy (NWMT)
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.