Jones Dairy — Plant Summary
- EIA Plant ID
- 67386
- Capacity
- 2.3 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Jefferson, WI
- Operating Since
- 2021
- Generators
- 1
- Operator
- Wisconsin Electric Power Co
- Parent Company
- WEC Energy Group
- Annual Generation
- 3,704 MWh
- Capacity Factor
- 18.3%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Jones Dairy
OperatingSolar
Ranked #61 of 102 Solar plants in WI#4702 of 7447 nationally
2.3 MW Solar operating in Jefferson, WI — Midcontinent Independent Transmission System Operator, Inc..
EIAGEM
2.3 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2021
Operating Since
Location
Coordinates
42.9193, -88.8479
County
Jefferson, WI
Nearby Plants
- Hackbarth Solar WI, LLCSolar5 MW · 4.2 km
- Crawfish RiverSolar75 MW · 9.3 km
- Badger State Solar LLCSolar149 MW · 10.4 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
Jones Dairy is a 2.3 MW solar photovoltaic power plant located in Jefferson County, Wisconsin. The plant began operating in 2021 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 latest year of operation, Jones Dairy generated 3,704 MWh of electricity, achieving a capacity factor of 18.3%. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. The installed cost was $1536.93 per kW. Jones Dairy ranks as the 55th largest solar plant in Wisconsin out of 99, and 4424th nationally out of 7108.
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
120 MWh
Latest Month
3.7K MWh
Annual Generation
18.3%
Capacity Factor
Financial DataBeta
Source: FERC Form 1HIGH
$1,537/kW
Installed Cost
Wisconsin Electric Power Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
MEDIUM confidencePoint of Interconnection
Nearest Substation
FORT ATKINSON · 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.
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
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