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2.3 MW Solar operating in Washington, WI — Midcontinent Independent Transmission System Operator, Inc..
2.3 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2020
Operating Since
Coordinates
43.4326, -88.1606
County
Washington, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Electric Power Co | Wisconsin Electric Power | — |
| Owner(s) | Wisconsin Electric Power Co | WEC Energy Group | — |
| Status | Operating | operating | — |
The Washington County solar plant is a 2.3 MW solar photovoltaic facility located in Washington County, Wisconsin. The plant began operating in 2020 and has one generator. It is owned by WEC Energy Group and operated by Wisconsin Electric Power Co. The plant utilizes a fixed-tilt solar tracking system.
In its most recent year of operation, the Washington County plant generated 3,842 MWh of electricity, achieving a capacity factor of 19.0%. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the RFC NERC region. According to available data, the installed cost was $1563.54 per kW. The Washington County plant is ranked 57th out of 99 solar facilities in Wisconsin and 4410th out of 7108 solar facilities nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
118 MWh
Latest Month
3.8K MWh
Annual Generation
19.0%
Capacity Factor
Wisconsin Electric Power Company · Data from 2021–2024
$1,564/kW
Installed Cost
$30.9/MWh
Operating Cost
Point of Interconnection
Nearest Substation
Barton Substation · 138 kV
Substation Distance
< 10 km
Operator
American Transmission Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
ILLINOIS.HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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ask pi about Washington CountyMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
24.9 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility