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Tokyo Steel Okayama plant

operating

Kurashiki, Asia Pacific, Japan

GEM wiki

Process Route

EAF

Timeline

Announced1960
Construction1960
Operating1962

Emissions

2025

0.043 Mt CO₂e

0.08 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

708

EAF

708

Production

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

Steel Units

EAF
EAF 1retired
423 ttpa140 twiki
EAF
EAF 2retired
423 ttpa140 twiki
EAF
unknown EAF (1)operating
708 ttpa150 twiki

Inputs & Energy

Power 750 kW Solar power plant (began in 2021-07)

Steel Products

rebar, sheet, coil, channel, i-beam, h-beam, beam

Ownership

Owner Tokyo Steel Manufacturing Co Ltd

Parent Tokyo Steel Manufacturing Co Ltd [100.0%]

Workforce 257 employees

Country Context

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

Explore

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.