Review power assets, contract observations, facility specifications and relationships from public sources.
This partial collection preserves source-level observations. Generation and registered connection capacity are distinct from spare supply capacity for data centers. Planned dates and contract announcements do not confirm energization or supply commencement.
Current filters 2items · current page 1–2 · Source records, not unique facilities.
Power assets and projects · USA · eia860
Portage Solar Plant
Generation facilities · Unverified
Metric or condition
Source value
Basis, scope and stage
Grid Voltage (kV)
34.5 kV
Original source column definition · Power plant · Unverified As-of date 2025 Sources EV-9de1cf9a7eee55bdfc1c6715
Detailed source fields
Original source field
Published value or condition
Utility ID
66291
Utility Name
Portage Solar Plant
Plant Code
67597
Plant Name
Portage Solar Plant
Street Address
N8917
City
Portage
State
WI
Zip
53901
County
Columbia
Latitude
43.60706
Longitude
-89.24341
NERC Region
MRO
Balancing Authority Code
MISO
Balancing Authority Name
Midcontinent Independent Transmission System Operator, Inc..
Primary Purpose (NAICS Code)
22
Regulatory Status
NR
Sector
2
Sector Name
IPP Non-CHP
FERC Cogeneration Status
N
FERC Small Power Producer Status
N
FERC Exempt Wholesale Generator Status
N
Ash Impoundment?
N
Transmission or Distribution System Owner
Wisconsin Power & Light Co
Transmission or Distribution System Owner ID
20856
Transmission or Distribution System Owner State
WI
Grid Voltage (kV)
34.5
Energy Storage
N
Coordinate accuracy
source_precision_not_independently_surveyed
source_record_id
2___Plant_Y2025.xlsx#Plant:14568
Coordinates locate the plant, including when this record describes one generator.
Location: Plant location · not an individual generator location
Sources, reference dates and retrieval dates 1itemseia860 ↗
Data Source 2025 · Retrieved 2026-10-05
Source: U.S. Energy Information Administration (EIA), 2025 final / August 2026 preliminary.
