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20 MW Wind operating in Brown, WI
20 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2010
Operating Since
Coordinates
44.3481, -87.9278
County
Brown, WI
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Renewables Services | Duke Energy | — |
| Owner(s) | Duke Energy Renewables Services | Duke Energy | — |
| Status | Operating | operating | — |
Shirley Wind is a wind farm in the Shirley section of Glenmore, Brown County, Wisconsin. The site, which opened in 2011, includes eight Nordex 2.5 (MW) wind turbines, each about 500 feet (150 m) tall. Originally developed by Emerging Energies LLC, it is owned by Duke Energy.
Read more on WikipediaShirley Wind is a 20 MW wind power plant located in Brown County, Wisconsin. The plant began operating in 2010 and is owned by Duke Energy. Duke Energy Renewables Services is the operator. The facility consists of a single generator utilizing onshore wind turbine technology. It ranks as the 10th largest wind farm in Wisconsin out of 13, and 1079th nationally out of 1424.
The plant uses Nordex N100 wind turbines, which have a rotor diameter of 100 meters and a hub height of 100 meters. In its most recent year of operation, Shirley Wind generated 59,500 MWh of electricity, achieving a capacity factor of 33.9%. The plant is located within the Midcontinent Independent Transmission System Operator (MISO) balancing authority, and the NERC reliability region is MRO.
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
24.9 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
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.
5.8K MWh
Latest Month
59.5K MWh
Annual Generation
33.9%
Capacity Factor
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2013
$1,895/kW
Est. Construction Cost
Total estimated cost: $37.9M
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Point of Interconnection
Nearest Substation
Wesmark · 69 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
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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