Spring Prairie Solar WI, LLC — Plant Summary
- EIA Plant ID
- 67733
- Capacity
- 7.5 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Walworth, WI
- Operating Since
- 2023
- Generators
- 1
- Operator
- Wisconsin Electric Power Co
- Parent Company
- WEC Energy Group
- Annual Generation
- 3,954 MWh
- Capacity Factor
- 6.1%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Spring Prairie Solar WI, LLC
OperatingSolar
Ranked #30 of 102 Solar plants in WI#2276 of 7447 nationally
7.5 MW Solar operating in Walworth, WI — Midcontinent Independent Transmission System Operator, Inc..
EIAGEM
7.5 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2023
Operating Since
Location
Coordinates
42.6784, -88.3392
County
Walworth, WI
Nearby Plants
- LaFayette Solar WI, LLCSolar6 MW · 16.1 km
- Pine Tree Solar ProjectSolar8.5 MW · 16.7 km
- Silver Lake Solar WI, LLCSolar7.5 MW · 16.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Electric Power Co | Wisconsin Electric Power | — |
| Owner(s) | Wisconsin Electric Power Co | WEC Energy Group | — |
| Status | Operating | operating | — |
Ownership Chain
About
Spring Prairie Solar WI, LLC is a 7.5 MW solar photovoltaic power plant located in Walworth County, Wisconsin. The plant began operating in 2023 and has one generator. It is owned by WEC Energy Group and operated by Wisconsin Electric Power Co. The facility utilizes single-axis tracking to maximize solar energy capture. Spring Prairie Solar is ranked as the 27th largest solar plant in Wisconsin (out of 99) and 2041st nationally (out of 7108).
In its most recent year of operation, the plant generated 3,954 MWh of electricity, resulting in a capacity factor of 6.1%. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. Financial data is available for the plant via LBNL, though specific figures are not provided.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
24.9 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
0 MWh
Latest Month
4.0K MWh
Annual Generation
6.1%
Capacity Factor
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$39.3/MWh
LCOE (Levelized Cost)
$28.7/MWh
Energy Value
Pricing & Market Data
LOW confidencePoint of Interconnection
Nearest Substation
Burlington · 138 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.
Air LiquideSubstation
News & Articles (2)Beta
General
Utilities Propose $400M Solar-Battery Park In Kenosha County
The state's largest utility company, WEC Energy Group, is partnering with Madison Gas and Electric on a $400 million solar and battery...
WPR·5 years ago
General
WEC Energy Group to buy 80% stake in Illinois wind farm for $345 million
WEC Energy will have invested more than $1.2 billion in wind farms in the Midwest once the pending purchase closes.
Milwaukee Journal Sentinel·6 years ago
Last updated 2026-03-26
View all articles