Beethoven Wind — Plant Summary
- EIA Plant ID
- 59187
- Capacity
- 80 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Bon Homme, SD
- Operating Since
- 2015
- Generators
- 1
- Operator
- NorthWestern Energy - (SD)
- Parent Company
- NorthWestern Energy Group
- Annual Generation
- 302,584 MWh
- Capacity Factor
- 43.1%
- Balancing Authority
- Southwest Power Pool
- ISO/RTO
- SPP
- NERC Region
- MRO
Beethoven Wind
OperatingWind
Ranked #18 of 25 Wind plants in SD#808 of 1442 nationally
80 MW Wind operating in Bon Homme, SD — Southwest Power Pool
EIAGEMWD
80 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2015
Operating Since
Location
Ownership & Operator
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 | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
25.5K MWh
Latest Month
302.6K MWh
Annual Generation
43.1%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$1,450/kW
Installed Cost
$11.0/MWh
Operating Cost
northwestern energy public service corporation
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
SPP
LMP Node
WAUE.NWPS.BEETHOVEN
Pricing Hub
SPP North Hub
Node Source
Curated node match
News & Articles (6)Beta
Hazards·wildfire
Red Flag Warning: Plymouth; Woodbury; Ida; Dixon; Dakota; Gregory; Charles Mix; Bon Homme; Yankton; Clay; Union
Red Flag Warning issued March 21 at 10:58AM CDT until March 21 at 10:00PM CDT by NWS Sioux Falls SD
NWS Sioux Falls SD·5 days ago
Regulatory·ferc order
FERC Ends Show-cause over SPP FTR Changes
FERC has terminated a show-cause proceeding against SPP and accepted the RTO's proposal to revise its collateral requirements for FTRs.
FERC (regulator)SPP (other)
RTO Insider·5 months ago
Hazards·other
Crane tips over at Prevailing Wind Park construction site
TRIPP — A crane tipped over at a construction site where wind turbines are being erected for the Prevailing Wind Park about 10 miles...
Prevailing Wind Park (other)
Mitchell Republic·6 years ago
Deals·m and a
NorthWestern Energy to buy Beethoven wind project in southeast South Dakota
TRIPP, S.D. -- NorthWestern Energy announced Thursday its plans to purchase the recently completed 80-megawatt Beethoven wind project...
NorthWestern Energy (buyer)Beethoven wind project (seller)
Grand Forks Herald·10 years ago
Last updated 2026-03-21
View all 6 articles