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
Marion
Generation facilities · Unverified
Metric or condition
Source value
Basis, scope and stage
Grid Voltage (kV)
161 kV
Original source column definition · Power plant · Unverified As-of date 2025 Sources EV-64a2522942ff1d341c17a1ea
Grid Voltage 2 (kV)
67 kV
Original source column definition · Power plant · Unverified As-of date 2025 Sources EV-64a2522942ff1d341c17a1ea
Detailed source fields
Original source field
Published value or condition
Utility ID
17632
Utility Name
Southern Illinois Power Coop
Plant Code
976
Plant Name
Marion
Street Address
11543 Lake of Egypt Rd.
City
Marion
State
IL
Zip
62959
County
Williamson
Latitude
37.619747
Longitude
-88.953114
NERC Region
SERC
Balancing Authority Code
MISO
Balancing Authority Name
Midcontinent Independent Transmission System Operator, Inc..
Name of Water Source
Lake Egypt
Primary Purpose (NAICS Code)
22
Regulatory Status
RE
Sector
1
Sector Name
Electric Utility
FERC Cogeneration Status
N
FERC Small Power Producer Status
N
FERC Exempt Wholesale Generator Status
N
Ash Impoundment?
N
Ash Impoundment Lined?
X
Transmission or Distribution System Owner
Southern Illinois Elec Coop
Transmission or Distribution System Owner ID
17631
Transmission or Distribution System Owner State
IL
Grid Voltage (kV)
161
Grid Voltage 2 (kV)
67
Energy Storage
N
Natural Gas Pipeline Name 1
TRUNKLINE GAS COMPANY
Natural Gas Storage
N
Liquefied Natural Gas Storage
X
Coordinate accuracy
source_precision_not_independently_surveyed
source_record_id
2___Plant_Y2025.xlsx#Plant:586
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.
