Dane County Solar LLC — Plant Summary
- EIA Plant ID
- 66419
- Capacity
- 17.3 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Dane, WI
- Operating Since
- 2023
- Generators
- 1
- Operator
- Dane County Solar LLC
- Parent Company
- Alliant Energy
- Annual Generation
- 33,166 MWh
- Capacity Factor
- 21.8%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Dane County Solar LLC
OperatingSolar
Ranked #24 of 102 Solar plants in WI#1818 of 7447 nationally
17.3 MW Solar operating in Dane, WI — Midcontinent Independent Transmission System Operator, Inc..
EIAGEM
17.3 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2023
Operating Since
Location
Coordinates
35.7459, -80.2911
County
Dane, WI
Nearby Plants
- Davidson IIISolar4.5 MW · 0.6 km
- Davidson IVSolar3 MW · 0.6 km
- Davidson VSolar1.5 MW · 0.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Dane County Solar LLC | Dane County Solar | — |
| Owner(s) | IES Utilities, Inc, SunVest Solar LLC | Alliant Energy | — |
| Status | Operating | operating | — |
Ownership Chain
About
Dane County Solar LLC is a 17.3 MW solar photovoltaic power plant located in Dane County, Wisconsin. The plant began operating in 2023 and is owned and operated by Dane County Solar LLC, a subsidiary of Alliant Energy. It utilizes single-axis tracking technology to maximize solar energy capture. The plant is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) grid and falls within the ReliabilityFirst Corporation (RFC) NERC region.
In its most recent year of operation, Dane County Solar LLC generated 33,166 MWh of electricity, achieving a capacity factor of 21.8%. The plant is the 21st largest solar facility in Wisconsin out of 99, and ranks 1620th nationally out of 7108 solar plants. Financial data for the plant is available from LBNL, indicating it is one of the more closely tracked solar facilities in the US.
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
480 kV
Regulatory Status
NR
Entity Type
Investor-Owned Utility
Sector
IPP Non-CHP
Generation
1.0K MWh
Latest Month
33.2K MWh
Annual Generation
21.8%
Capacity Factor
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$48.6/MWh
LCOE (Levelized Cost)
$26.7/MWh
Energy Value
Pricing & Market Data
MEDIUM confidencePoint of Interconnection
Nearest Substation
Siggelkow Substation · 138 kV
Substation Distance
2.273 km
Operator
American Transmission Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MGE.HERMSDORF
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
Curated node match
News & Articles (10)Beta
General
Alliant Energy Corp. stock faces regulatory scrutiny amid Midwest utility sector shifts in early 202
Alliant Energy Corp. (ISIN: US0188021085), the regulated utility serving Iowa and Wisconsin, navigates rising power demand from data centers...
AD HOC NEWS·Yesterday
General
Alliant Energy Brings Solar, Wind, and Energy Storage Projects To Iowa
Alliant Energy maintains a balanced mix of energy resources that keep costs low and lights on for 1 million customers in Iowa and Wisconsin.
The Business Download |·2 weeks ago
General
Alliant Energy battery project in Sheboygan underway after delays
Alliant Energy's 99-MW battery storage project in Sheboygan faces delays but could be online by year's end, boosting clean energy capacity.
Finance & Commerce·4 weeks ago
General
Alliant Energy battery project in Sheboygan underway after delays
Alliant Energy's 99-MW battery storage project in Sheboygan faces delays but could be online by year's end, boosting clean energy capacity.
Finance & Commerce·4 weeks ago
Last updated 2026-03-26
View all 10 articles