(2)Environment
1) Promotion of climate change measures
- Promotion of the Carbon Neutral Vision 2050
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Target and KPI |
Main Initiatives and Achievements in FY2022 |
- Target in 2030: 30% reduction in CO2 emissions
(compared to 2013)
- Vision for 2050: Carbon neutral
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- Launched a new comprehensive brand, NSCarbolexTM, to offer “high-performance products and solutions that contribute to reducing CO2 emissions across society” in the global market.
- [Reduction with hydrogen in blast furnaces (BFs)] Decided to introduce facilities to demonstrate hydrogen-rich gas injection technology at the No. 2 blast furnace in the East Nippon Works Kimitsu Area, in preparation for the demonstration tests scheduled to start in January 2026.
- [High-grade steel production in large size electric arc furnace (EAFs)] Started the commercial operation of a new electric arc furnace in the Setouchi Works Hirohata Area. Started full-scale studies on the shift from the blast furnace steelmaking process to the electric arc furnace steelmaking process, with the Kyushu Works Yawata Area and the Setouchi Works Hirohata Area as candidate sites.
- [CCUS] Participated in three advanced CCS projects led by the Japan Organization for Metals and Energy Security (JOGMEC).
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- Contribution by “Three Ecos”
- Implementation of “Eco Process”
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Target and KPI |
Main Initiatives and Achievements in FY2022 |
- Maintaining high-level effective use of energy
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- Effective use of by-product gas (coke oven gas, blast furnace gas etc.) and waste heat
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- Use of byproduct gas: 100%
- Use of waste heat in steam generation: 76%
- In-house generated energy use in in-house power generation: 72%
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- Promotion of adopting advanced energy-saving technology
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- Adoption of high-efficiency power generation equipment and oxygen plant; regeneration burner in reheating furnace
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- Investment cost for energy-saving: ¥37.4 bn
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- Enhancement of “Eco Products”
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Target and KPI |
Main Initiatives and Achievements in FY2022 |
- Supply of high-performance steel products to help reduce CO2 emissions through use of their end products
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- Decided to make an additional investment to increase the production capacity of high-grade non-oriented electrical steel sheets at the Setouchi Works Hanshin Area (Sakai) and the Kyushu Works Yawata Area (90 billion yen, a cumulative total of 213 billion yen).
- Expansion of products that acquire the EcoLeaf environmental labels (Increased by 12 from the previous year to a total of 47)
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- Contribute with “Eco Solutions”
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Target and KPI |
Main Initiatives and Achievements in FY2022 (including some results in FY2020) |
- Transfer and dissemination of the world-leading energy-saving technology to help CO2 emission reduction globally
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- Growing cumulative CDQ delivery record by Nippon Steel Engineering in the Group
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- 137 CDQ cumulative units
(contributing to 28.73 mn t-CO2 reduction, FY2021)
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2) Contribution to creation of a circular economy
- Realization of zero emissions within the company
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Target and KPI |
Main Initiatives and Achievements in FY2022 |
- Reduction in final disposal amount: 263 thousand tons or less (FY2025 target)
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- Promotion of recycling of by-products (slag, dust, sludge, etc.) in and out of the Company
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- Final waste disposal: 271 thousand tons
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- Realization of recycling of waste generated in society
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- Establishment of a waste plastics recycling system to expand its collection volume
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- Aggressive promotion of recycling treatment, according to the Chemical Recycling Act
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- Packaging/container plastic waste treatment: 200 thousand tons (equivalent to 30% of Japan’s total plastic waste)
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3) Conservation of biodiversity and nature positive
- Contribution to the conservation of biodiversity and nature positive
Target and KPI |
Main Initiatives and Achievements in FY2022 |
- Promoted activities aimed at achieving the 30by30 biodiversity target
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- Participated in the “30by30 Alliance” for biodiversity
- Promoted the Creation of Hometown Forests at steelworks
- Conducted activities of the Creation of Sea Forests
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- Participated in March 2023
- Greenery space: 850 ha
- Creation of Sea Forests at 44 locations in total
(+6 areas from the previous year)
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4) Promotion of environmental risk management
- Air environment preservation
Target and KPI |
Main Initiatives and Achievements in FY2022 |
- Maintaining low-level emissions of NOx and SOx
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- Installment of equipment that reduces SOx and NOx emissions; shifting to low-sulfur fuel; adoption of low NOx regenerating burners
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- SOx: 13 mn Nm3
- NOx: 23 mn Nm3
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- Maintaining of lower discharge levels than voluntary targets in chemical substances
- Emission of VOC (Volatile Organic Compounds): 1,106 tons/year (down 30% vs. FY2000)
- Emission of benzene: 172 tons/year
(voluntary target, along with the government target)
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- Continual efforts based on the voluntary reduction plan
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- VOC: 396 tons/year
- Benzene: 80 tons/year
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- Water environment preservation
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- Recycling of water; high-level stable use of recycled water
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- Water treatment, recycling and reuse of freshwater used by the Company
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- Use of recycled water: app. 90%
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