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U.S. Steel Granite City Works

Steel Plant in United States. Approximate location 38.695, -90.13228.

Steel PlantUnited StatesStatus: mothballed (GEM)

U.S. Steel Granite City Works is a steel plant in United States. Steel plants burn coal in blast furnaces or use electric arcs to melt scrap; in both cases the molten metal must be kept above 1,500°C and transferred through extensive hot piping and vessels. It is operated by United States Steel Corp.

0reported capacity — the source does not distinguish closed or idle; treat as historical/unverified
2,700kt steel/yr (Global Energy Monitor)
mothballedasset status (Global Energy Monitor)

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-1567145.

Data status

Known source data

FacilityU.S. Steel Granite City Works Climate TRACE
CountryUnited States Climate TRACE
Coordinates38.695, -90.13228 Climate TRACE
Sector / subsectoriron-and-steel Climate TRACE
Owner / operatorUnited States Steel Corp Climate TRACE
GEM steel parentUnited States Steel Corp [100%] Global Energy Monitor
Steel process routeintegrated BF Global Energy Monitor
Steel asset statusmothballed Global Energy Monitor
Steel equipmentBF, BOF Global Energy Monitor
Steel capacity2,700 ktpa Global Energy Monitor

Calculated from the dataset

Climate contextderived from coordinates calculated

Not available

Fuel typeNot available not in dataset
Thermal capacity (MW)Not available not in dataset

Source data, measured cross-checks and calculated values are kept separate. No confidence percentage is invented.

Operating power plants within 50 km

PowerAtlas operating assets, ordered by great-circle distance from published coordinates.

In context: how this facility compares

Subsector: iron-and-steel. As steel plant, it requires high process heat (typically 800–1500°C) for its core industrial operations — heat that must be supplied by boilers, furnaces or direct combustion, and losses through uninsulated vessels and piping represent wasted fuel. Removable modular insulation can cut those losses by 80–96%, surface-cooling equipment to ≤45°C, with payback often under 2 years. Steel plants burn coal in blast furnaces or use electric arcs to melt scrap; in both cases the molten metal must be kept above 1,500°C and transferred through extensive hot piping and vessels.

Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.

Operator

Operated by United States Steel Corp. All facilities by this operator →

Local climate

U.S. Steel Granite City Works sits in a humid subtropical climate zone (Köppen Cfa), at 38.7°N in the northern hemisphere.

~18°Ctypical annual mean
~27°Ctypical warm-season
Humid subtropical: four distinct seasons — cold winters and warm summers

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

Site climate & environmental severity

The local climate sets how fast unprotected steel, protective coatings and the insulation on hot process equipment degrade at this site. It sits in a moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
36/100environmental-severity index
27.5°Cseasonal temperature swing
424 kmdistance to coast
ModerateCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1371 W/m² to ambient — roughly 1.05× the loss at a 20 °C reference; removable insulation recovers about 1302 W/m² of that. Reference-surface calculation at a 150 °C surface from WorldClim climate normals (ASTM C680 / ISO 12241) — an indicative per-climate comparison, not a measurement of this site’s specific equipment. Open method dataset: DOI 10.5281/zenodo.20787408 (CC BY 4.0).

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby sites

Nearby industrial sites

Location

Coordinates 38.695, -90.13228. View on OpenStreetMap.

Heat loss & insulation profile

For a steel plant, the main modular-insulation targets are reheat & annealing furnaces, ladles, hot-blast stoves, steam & gas ducting. Typical hot-surface ranges used for screening: 200–1,200 °C.

Indicative recoverable energy

A first-pass insulation screen suggests about 6,200 MWh/year of recoverable heat-loss reduction and about 2,100 t CO₂e/year of avoided emissions. Indicative range based on typical exposed hot equipment for this sector.

See Inzonex Modular Insulation → Run the calculator →

Screening calculation from facility class, capacity and open emissions/energy context. Engineering survey required before procurement.

Safety & the no-regret first step

Start with a thermal survey of valves, flanges, doors and bends. Removable modular insulation keeps maintenance access open while lowering exposed-surface temperature and wasted heat.

United States: funding & obligation

Funding. Investment tax credit up to 30% of qualified investment incl. industrial decarbonization; open to small/medium/large manufacturers. official source · verified 2026
Status: ~$6B of $10B allocated Jan-2025; remaining capacity + IRA status under political review — verify before 'apply now'.

Obligation. None at federal level (voluntary). Some states have their own programs. (applies as a rule above the stated threshold — we do not hold this site's metered energy use). · verified 2026

Programme terms verified 2026-06-18; confirm the current open phase before applying. Eligibility depends on a site's energy use / headcount, which we do not hold — not a per-facility eligibility determination.

Frequently asked questions

What type of facility is U.S. Steel Granite City Works?

U.S. Steel Granite City Works is a steel plant in United States. Steel plants burn coal in blast furnaces or use electric arcs to melt scrap; in both cases the molten metal must be kept above 1,500°C and transferred through extensive hot piping and vessels.

Where is U.S. Steel Granite City Works located?

U.S. Steel Granite City Works is in United States at approximately 38.695, -90.13228.

Who operates U.S. Steel Granite City Works?

The operator recorded in the open dataset is United States Steel Corp.

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