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80 MW Wind operating in Bon Homme, SD
80 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2015
Operating Since
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Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | NorthWestern Energy - (SD) | BayWa R.E. | — |
| Owner(s) | NorthWestern Energy - (SD) | NorthWestern Energy Group | — |
| Status | Operating | operating | — |
Beethoven Wind is an 80 MW wind power plant located in Bon Homme County, South Dakota. The facility, which began operating in 2015, is owned and operated by NorthWestern Energy. It utilizes a single onshore wind turbine generator. The plant is interconnected to the Southwest Power Pool (SPP) balancing authority and resides within the MRO NERC region. Beethoven Wind ranks as the 18th largest wind farm in South Dakota out of 24, and 806th nationally out of 1424.
The plant's wind turbine specifications include an 80-meter hub height and an 87-meter rotor diameter. The turbines were manufactured by GE Wind, model GE1.85-87. In its most recent year of operation, Beethoven Wind generated 302,584 MWh, achieving a capacity factor of 43.1%. The installed cost of the plant was $1,369.11 per kW, according to FERC data.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwest Power Pool (SWPP)
Grid Voltage
115.0 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.
25.5K MWh
Latest Month
302.6K MWh
Annual Generation
43.1%
Capacity Factor
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Wind · northwestern energy public service corporation · Data from 2015–2024
$1,450/kW
Installed Cost
$11.0/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
SPP
LMP Node
WAUE.NWPS.BEETHOVEN
Pricing Hub
SPPNORTH_HUB
Location Type
Settlement Location
Node Source
Curated node match
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.
Last updated 2026-03-26
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