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30 MW Wind operating in Fallon, MT
30 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2007
Operating Since
Coordinates
46.2745, -104.1747
County
Fallon, MT
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Montana-Dakota Utilities Co | Montana-Dakota Utilities | — |
| Owner(s) | Montana-Dakota Utilities Co | small shareholder(s) | — |
| Status | Operating | operating | — |
Located in Fallon County, Montana, the Diamond Willow Wind Facility is a 30 MW wind power plant that began operating in 2007. The facility utilizes a single onshore wind turbine generator. Montana-Dakota Utilities Co. serves as the Energy Information Administration (EIA) operator, while ownership is attributed to small shareholder(s). The plant's turbines have a hub height of 80 meters and a rotor diameter of 77 meters. The wind turbine manufacturer is GE Wind, and the model is GE1.5-77.
The Diamond Willow Wind Facility operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the MRO NERC region. In its latest year of reported generation, the plant produced 85,972 MWh of electricity, achieving a capacity factor of 32.7%. The installed cost of the facility was $1970.4 per kW. The plant ranks 16th out of 25 wind facilities in Montana and 1009th out of 1424 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
57.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
9.8K MWh
Latest Month
86.0K MWh
Annual Generation
32.7%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Wind · MDU Resources Group, Inc. · Data from 2015–2024
$1,977/kW
Installed Cost
$6.8/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
MISO
LMP Node
MDU.DIAMNDWILW
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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