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78 MW Purchased Steam operating in Madison, IL
78 MW
Nameplate Capacity
1
Generators
unit
All Other
Technology
2010
Operating Since
Coordinates
38.6976, -90.1283
County
Madison, IL
Nearby Plants
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| 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
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
32.7K MWh
Latest Month
448.0K MWh
Annual Generation
65.5%
Capacity Factor
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CO₂ Intensity
521 lb/MWh
NOx
0.182 lb/MWh
SO₂
0.001 lb/MWh
CH₄
0.005 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
78.9%
Annual Net Gen
539 GWh
CO₂eq
522 lb/MWh
Subregion
SERC Midwest
No financial data available for this plant.
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Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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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.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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