Port Washington Generating Station — Plant Summary
- EIA Plant ID
- 4040
- Capacity
- 1229.6 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Ozaukee, WI
- Operating Since
- 2005
- Generators
- 6
- Operator
- Wisconsin Electric Power Co
- Parent Company
- —
- Annual Generation
- 7,260,771 MWh
- Capacity Factor
- 67.3%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Port Washington Generating Station
OperatingNatural Gas
Ranked #2 of 40 Natural Gas plants in WI#103 of 2009 nationally
1229.6 MW Natural Gas operating in Ozaukee, WI — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
1,229.6 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2005
Operating Since
Location
Coordinates
43.3842, -87.8689
County
Ozaukee, WI
Nearby Plants
- Jackson Solar WI, LLCSolar7.5 MW · 19.8 km
- Onion RiverSolar150 MW · 24.1 km
- Washington CountySolar2.3 MW · 24.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Electric Power Co | — | — |
| Owner(s) | We Power | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Port Washington Generating Station is an intermediate-load, natural gas fired, electrical power station located on Lake Michigan in Port Washington, Wisconsin. The natural gas facility replaced an older coal-fired station in the early 2000s. This station has two units with the first being completed in July 2005 and produces 545 MW. The second unit was completed in May 2008 and also produces 545 MW.
Read more on WikipediaPort Washington Generating Station is a 1229.6 MW natural gas-fired combined cycle power plant located in Ozaukee County, Wisconsin. The plant began operating in 2005 and consists of 6 generators. It is owned and operated by Wisconsin Electric Power Co. The plant is the second-largest of 19 power plants in Wisconsin, and ranks 108th out of 945 plants nationally.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. In the most recent year with available data, the plant generated 7,260,771 MWh, achieving a capacity factor of 67.3%. Financial data indicates an installed cost of $13.61 per kW, according to FERC filings.
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
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
656.3K MWh
Latest Month
7.3M MWh
Annual Generation
67.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$13/kW
Installed Cost
$39.7/MWh
Operating Cost
Wisconsin Electric Power Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
MISO
LMP Node
WEC.PORTWA1ST0
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
News & Articles (10)Beta
Industry·corporate
Peregrine falcons return to WPS, We Energies power plants
The fastest animal on the planet has returned to Wisconsin Public Service (WPS) and We Energies power plants. Peregrine falcons have been...
WPS (operator)We Energies (operator)
Wisconsin Public Service·5 days ago
Industry·corporate
Peregrine falcon chicks named after ‘founding feathers’
The chicks born this year at Wisconsin Public Service (WPS) and We Energies power plants are officially being named after the legendary falcons that came...
Wisconsin Public Service (WPS) (operator)We Energies (operator)
Wisconsin Public Service News·10 months ago
Industry·corporate
We Energies welcomes first peregrine falcon chicks of 2025 season
The first peregrine falcon eggs of the 2025 nesting season have hatched at the We Energies Oak Creek Power Plant.
We Energies (operator)
FOX6 News Milwaukee·10 months ago
Industry·corporate
First eggs mark new chapter at Port Washington peregrine falcon nest box
Two new falcons at the We Energies Port Washington Generating Station have laid their first eggs, marking the start of a new chapter for the nest box.
We Energies (operator)
We Energies News·11 months ago
Last updated 2026-03-14
View all 10 articles