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Steel Dynamics Columbia City plant

operating

Columbia City, North America, United States

GEM wiki

Process Route

EAF

Timeline

Operating since 2002

Emissions

2025

0.24 Mt CO₂e

0.17 t CO₂e per tonne of steel

Typical EAF route: 0.5–0.7 t/t

Modelled estimate (Climate TRACE), not reported data. Methodology

Capacity (ttpa)

Crude Steel

2,000

EAF

2,000

Production

Crude steelproduction, GEM-compiled (Global Iron & Steel Tracker). Dashed line shows nominal capacity.

Steel Units

EAF
unknown EAF (1)operating
1,000 ttpa109 tDemagwiki
EAF
unknown EAF (2)operating
1,000 ttpa109 tDemagwiki

Steel Products

structural, rail

Ownership

Owner Steel Dynamics Inc

Parent Steel Dynamics Inc [100.0%]

Workforce 3,150 employees

Country Context

United States crude steel production (USGS). Plant line shows nominal capacity, not output.

Explore

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Plant data sourced from the Global Iron & Steel Tracker (March 2026), Global Energy Monitor. Licensed under CC BY 4.0.

Production data: USGS Minerals Yearbook — Raw Steel: World Production by Country or Locality (2019 edition; 2022 and 2023 early release tables). U.S. Geological Survey, public domain. EAF/BOF splits: USGS Minerals Yearbook (2023 estimates).

Facility emissions estimates from Climate TRACE. Licensed under CC BY 4.0.