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512.7 MW Batteries (99 MW) + Conventional Steam Coal (414 MW) operating in Sheboygan, WI — Midcontinent Independent Transmission System Operator, Inc..
512.7 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Conventional Steam Coal
1985
Operating Since
Coordinates
43.7151, -87.7059
County
Sheboygan, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Power & Light Co | — | — |
| Owner(s) | Wisconsin Power & Light Co | — | — |
| Status | Operating | — | — |
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
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
197.6K MWh
Latest Month
2.0M MWh
Annual Generation
44.6%
Capacity Factor
CO₂ Intensity
2361 lb/MWh
NOx
0.553 lb/MWh
SO₂
Steam turbine · Wisconsin Power and Light Company · Data from 2016–2024
$2,149/kW
Installed Cost
$-31/kW
Annual CapEx
$29.1/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point 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
Last updated 2026-04-09
View all 10 articlesNo ask pi reports yet for this entity.
ask pi about EdgewaterMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.403 lb/MWh
CH₄
0.266 lb/MWh
N₂O
0.039 lb/MWh
Capacity Factor
53.5%
Annual Net Gen
1938 GWh
CO₂eq
2379 lb/MWh
Subregion
MRO East