Edgewater — Plant Summary
- EIA Plant ID
- 4050
- Capacity
- 512.7 MW
- Primary Fuel
- Coal
- Technology
- Batteries, Conventional Steam Coal
- Status
- Operating
- Location
- Sheboygan, WI
- Operating Since
- 1985
- Generators
- 2
- Operator
- Wisconsin Power & Light Co
- Parent Company
- —
- Annual Generation
- 1,996,755 MWh
- Capacity Factor
- 44.6%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- MRO
Edgewater
OperatingBESSSub. CoalHybrid
Ranked #4 of 5 Sub. Coal plants in WI#66 of 103 nationally
512.7 MW Batteries (99 MW) + Conventional Steam Coal (414 MW) operating in Sheboygan, WI — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
512.7 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Conventional Steam Coal
1985
Operating Since
Location
Coordinates
43.7151, -87.7059
County
Sheboygan, WI
Nearby Plants
- City of Sheboygan SolarSolar0.9 MW · 4.0 km
- Kohler SolarSolar2.3 MW · 5.9 km
- Sheboygan FallsNatural Gas346.8 MW · 14.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Power & Light Co | — | — |
| Owner(s) | Wisconsin Power & Light Co | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Edgewater Generating Station is a 380 megawatt (MW) coal power plant located on the south side of Sheboygan, Wisconsin, on the shore of Lake Michigan, whose waters are used to provide cooling. It provides electricity for customers in the northeastern part of Alliant Energy's Wisconsin Power & Light service area and service to several local municipal utilities. In 2009, it was the seventh largest generating station in Wisconsin, with a net summer capacity of 767 MW.
Read more on WikipediaThe Edgewater power plant, located in Sheboygan County, Wisconsin, has a total capacity of 512.7 MW. The plant began operating in 1985 and is operated by Wisconsin Power & Light Co. Edgewater is a hybrid plant utilizing both batteries and conventional steam coal as energy sources. It consists of 2 generators and is connected to the Midcontinent Independent Transmission System Operator, Inc. balancing authority within the MRO NERC region.
Edgewater's latest annual generation was 1,996,755 MWh, resulting in a capacity factor of 44.6%. The plant's installed cost was $3.53 per kW, according to FERC data. Edgewater is ranked 1 out of 4 similar plants in Wisconsin and 58 out of 514 nationally. The plant's primary fuel source is listed as MWH.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
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
Generation
197.6K MWh
Latest Month
2.0M MWh
Annual Generation
44.6%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$2,149/kW
Installed Cost
$29.1/MWh
Operating Cost
Wisconsin Power and Light Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Edgewater Station · 345 kV
Substation Distance
< 10 km
Operator
American Transmission Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
ALTE.EDG5G5
Pricing Hub
MICHIGAN.HUB
Node Source
EIA-860 direct report
News & Articles (10)Beta
General
Construction underway on Alliant's battery energy storage system
A 99-megawatt battery energy storage system from Alliant Energy could have the capacity to power 100000 homes for four hours,...
The Sheboygan Press·4 weeks ago
Industry·corporate
As data centers loom, ratepayers in Wisconsin still owe $1 billion on shuttered power plants
A concrete pad and open fields mark former site of the We Energies Power Plant on Nov. 13, 2025, in Pleasant Prairie in southeastern...
We Energies Power Plant (operator)
PBS Wisconsin·2 months ago
General
As data centers loom, ratepayers in Wisconsin still owe $1 billion on shuttered power plants
A concrete pad and open fields mark former site of the We Energies Power Plant on Nov. 13, 2025, in Pleasant Prairie in southeastern...
PBS Wisconsin·2 months ago
General
As energy-hungry data centers loom, Wisconsin ratepayers owe $1 billion on shuttered power plants
Wisconsin residential and business utility customers owe nearly $1 billion on “stranded assets” — power plants that have been or will soon...
Milwaukee Neighborhood News Service·3 months ago
Last updated 2026-03-26
View all 10 articles