60 MW Batteries (40 MW) + Solar Photovoltaic (20 MW) planned in Dane, WI — Midcontinent Independent Transmission System Operator, Inc..
60 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Coordinates
42.9852, -89.4361
County
Dane, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Madison Gas & Electric Co | Madison Gas & Electric | — |
| Owner(s) | Madison Gas & Electric Co | MGE Energy | — |
| Status | Planned | pre-construction | — |
The Sunnyside Solar Energy Center is a 60 MW hybrid power plant located in Dane County, Wisconsin. It is owned by MGE Energy and operated by Madison Gas & Electric Co. The plant utilizes both solar photovoltaic technology and batteries, with two generators on site. Its primary fuel source is listed as MWH (megawatt hours).
Sunnyside Solar Energy Center operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority. The plant's solar arrays employ a fixed tilt configuration. It is ranked as the 5th largest solar facility out of 8 in the state of Wisconsin, and 581st out of 1205 nationally.
Generated from EIA, GEM, and public data sources
NERC Region
MRO
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
13.8 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
No generation data available for this plant.
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Oak Ridge Substation · 138 kV
Substation Distance
0.303 km
Operator
American Transmission Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MGE.SSD_SLR2
Pricing Hub
MICHIGAN.HUB
Node Source
Curated node match
Last updated 2026-03-26
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