78 MW Purchased Steam operating in Madison, IL — Midcontinent Independent Transmission System Operator, Inc..
78 MW
Nameplate Capacity
1
Generators
unit
All Other
Technology
2010
Operating Since
Coordinates
38.6976, -90.1283
County
Madison, IL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | United States Steel Granite City Works | — | — |
| Owner(s) | United States Steel Granite City Works | — | — |
| Status | Operating | — | — |
Granite City Works is a 78 MW power plant located in Madison County, Illinois. The plant began operating in 2010 and has one generator utilizing "All Other" technology. The primary fuel source is PUR. United States Steel Granite City Works operates the facility, which resides within the Midcontinent Independent Transmission System Operator, Inc. balancing authority and the SERC NERC region.
The plant's latest annual generation was 447,978 MWh, achieving a capacity factor of 65.5%. Granite City Works holds the rank of 1 out of 1 in the state and 2 out of 6 nationally.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
32.7K MWh
Latest Month
448.0K MWh
Annual Generation
65.5%
Capacity Factor
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Granite City Works
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
ILLINOIS.HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
U.S. Steel to end steel production at Illinois plant but no layoffs
U.S. Steel will stop processing steel slabs at its Granite City Works plant in Illinois, three months after Nippon Steel sealed a deal with President Donald...
US Steel to resume idled blast furnace at Illinois plant
The decision signals a reversal in the company's September plans to reduce slab production at Granite City Works, in turn bringing back up...
U.S. Steel to restart steel production at Illinois plant
HARRISBURG, Pa. — U.S. Steel said it will resume making steel slabs at its Granite City Works plant in Illinois as demand rebounds.
US Steel to restart Granite City's blast furnace to support customer demand
U.S. Steel said on Thursday it has begun the process to restart operations in one of two blast furnaces at Granite City Works,...
Last updated 2026-03-26
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