Query
Granite City Works
Type
Entity Briefing
Entity
Granite City Works
Generated
2026-10-06T21:46:01.228Z

Briefing on Granite City Works

Entity Briefing
Generated Oct 6, 2026·Dataset freshness not reported
78 MW
Capacity
Operating
Current status
2010
Operating since
1
Generators
65.5%
Capacity factor
448 GWh
Annual generation
Briefing/plantOperating

Granite City Works is a 78 MW All Other asset in MISO (Midcontinent), currently Operating.

Granite City Works is reported in Illinois since 2010 under United States Steel Granite City Works. Available operating and financial measures include 65.5% capacity factor and 448 GWh annual generation.

Location
Madison, Illinois
Technology
All Other
Owner / parent
United States Steel Granite City Works
Operator
United States Steel Granite City Works
Grid
MISO (Midcontinent)
Plant ID
57072

What stands out

1

Granite City Works is a 78 MW All Other asset in Illinois with status Operating.

2

Latest annual operating measures report 65.5% capacity factor and 448 GWh annual generation.

3

Latest linked story: “U.S. Steel to end steel production at Illinois plant but no layoffs” (MSN, 2026-03-23).

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
SERC
State rank
#1 of 1
National rank
#2 of 6

Why it matters

For this asset in MISO (Midcontinent), operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.