150 MW Solar operating in Iowa, WI — Midcontinent Independent Transmission System Operator, Inc..
150 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2023
Operating Since
Coordinates
42.9526, -90.3335
County
Iowa, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Electric Power Co | Wisconsin Public Service | — |
| Owner(s) | Madison Gas & Electric Co, Wisconsin Electric Power Co | MGE Energy | — |
| Status | Operating | operating | — |
Located in Iowa County, Wisconsin, Badger Hollow II is a 150 MW solar photovoltaic power plant that began operating in 2023. The plant utilizes single-axis tracking technology. It is owned by MGE Energy and operated by Wisconsin Electric Power Co. Badger Hollow II is the fourth-largest solar plant in Wisconsin out of 11, and ranks 403rd nationally out of 639 solar plants.
The plant's latest annual generation was 205,769 MWh, resulting in a capacity factor of 15.7%. Badger Hollow II operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority. Financial data indicates an installed cost of $1,678.75 per kW, based on FERC filings. The plant has been the subject of two news articles, one focusing on industry trends and the other on regulatory matters.
Generated from EIA, GEM, and public data sources
NERC Region
MRO
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
7.0K MWh
Latest Month
205.8K MWh
Annual Generation
15.7%
Capacity Factor
$1,772/kW
Installed Cost
$6.2/MWh
Operating Cost
Wisconsin Electric Power Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Badger Hollow Substation · 138 kV
Substation Distance
0.049 km
Operator
Wisconsin Electric Power Co
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
WPS.BDGHLW1S
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
Curated node match
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Last updated 2026-03-26
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