Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
75 MW Solar operating in Jefferson, WI — Midcontinent Independent Transmission System Operator, Inc..
75 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2023
Operating Since
Coordinates
43.0000, -88.8764
County
Jefferson, WI
Nearby Plants
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 | Wisconsin Power & Light Co | Wisconsin Power and Light | — |
| Owner(s) | Wisconsin Power & Light Co | Alliant Energy | — |
| Status | Operating | operating | — |
Crawfish River is a 75 MW solar photovoltaic power plant located in Jefferson County, Wisconsin. The plant, which began operating in 2023, utilizes single-axis tracking technology. It is owned by Alliant Energy and operated by Wisconsin Power & Light Co. The plant is connected to the Midcontinent Independent Transmission System Operator (MISO) and resides within the MRO NERC region.
In its latest year of operation, Crawfish River generated 131,047 MWh of electricity, achieving a capacity factor of 19.9%. The plant ranks as the 13th largest solar facility in Wisconsin (out of 99) and 784th nationally (out of 7108). Financial data indicates an installed cost of $1,529 per kW, as reported to FERC.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
3.6K MWh
Latest Month
131.0K MWh
Annual Generation
19.9%
Capacity Factor
Solar photovoltaic · Wisconsin Power and Light Company · Data from 2023–2024
$1,603/kW
Installed Cost
$74/kW
Annual CapEx
$6.4/MWh
Operating Cost
Point of Interconnection
Nearest Substation
Crawfish River Solar · 138 kV
Substation Distance
< 10 km
Operator
Alliant Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
ALTE.CRAWFISH
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
ILLINOIS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Crawfish RiverMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility