Granite City Works — Plant Summary
- EIA Plant ID
- 57072
- Capacity
- 78 MW
- Primary Fuel
- PUR
- Technology
- All Other
- Status
- Operating
- Location
- Madison, IL
- Operating Since
- 2010
- Generators
- 1
- Operator
- United States Steel Granite City Works
- Parent Company
- —
- Annual Generation
- 447,978 MWh
- Capacity Factor
- 65.5%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- SERC
Granite City Works
OperatingPurchased Steam
Ranked #1 of 1 Purchased Steam plants in IL#2 of 6 nationally
78 MW Purchased Steam operating in Madison, IL — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
78 MW
Nameplate Capacity
1
Generators
unit
All Other
Technology
2010
Operating Since
Location
Coordinates
38.6976, -90.1283
County
Madison, IL
Nearby Plants
- Mulberry Solar, LLCSolar2 MW · 3.5 km
- Milam Gas RecoveryNatural Gas2.4 MW · 4.2 km
- VeniceNatural Gas586 MW · 5.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | United States Steel Granite City Works | — | — |
| Owner(s) | United States Steel Granite City Works | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
Generation
32.7K MWh
Latest Month
448.0K MWh
Annual Generation
65.5%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint 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.
News & Articles (10)Beta
General
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...
MSN·1 weeks ago
Industry·corporate
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...
US Steel (operator)
Manufacturing Dive·3 months ago
Industry·corporate
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.
U.S. Steel (operator)
Finance & Commerce·3 months ago
Industry·corporate
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,...
U.S. Steel (operator)
Reuters·3 months ago
Last updated 2026-03-26
View all 10 articles