Sustainability In The Steel Industry Statistics

GITNUXREPORT 2026

Sustainability In The Steel Industry Statistics

Energy already accounts for roughly 20% to 40% of steelmaking costs while blast furnaces and integrated works still rely on coal-based routes that dominate global structure. With 9.7% of crude steel capacity now electric arc furnace based and scrap projected to reach about 30% by 2050, the page connects what drives today’s price swings to where decarbonization gains can quickly show up across energy efficiency, pollution controls, and EU CBAM reporting.

22 statistics22 sources5 sections5 min readUpdated 8 days ago

Key Statistics

Statistic 1

Energy is the largest controllable operating cost in steelmaking; energy costs can represent roughly 20%–40% of steel production costs depending on region and process (cost share range)

Statistic 2

Steelmaking can generate around 0.8–1.2 tonnes of waste per tonne of crude steel in certain plant operations (waste generation range)

Statistic 3

Waste heat recovery projects in steel can improve overall energy efficiency by 5%–15% (efficiency from recovered heat)

Statistic 4

CCUS retrofit costs for heavy industries can be on the order of €60–€120 per tonne of CO2 avoided (cost-effectiveness range in reports)

Statistic 5

$11.8 billion in total announced investment commitments for low-carbon steel and related decarbonization projects was reported globally in 2023 (commitments total)

Statistic 6

Hydrogen procurement cost is a major component of green steel cost; electrolytic hydrogen cost targets of about $1–$2 per kg are used in many pathway models (cost target used in industry roadmaps)

Statistic 7

Iron ore prices averaged about $120–$130 per tonne in 2023 (benchmark for raw-material cost)

Statistic 8

Natural gas price volatility materially affects direct reduction economics; in 2022 European TTF prices averaged about €80–€100 per MWh (input cost reference)

Statistic 9

Electrification and digital optimization can reduce energy cost per tonne by around 2%–8% in industrial deployments (cost savings benchmark)

Statistic 10

Steel production contributed about 7% of global industrial energy-related greenhouse gas emissions in 2020

Statistic 11

Nearly all (about 98%) blast furnaces and integrated steelworks use coal-based processes rather than direct reduction routes (global structure figure)

Statistic 12

In 2022, 9.7% of global crude steel capacity was based on electric arc furnaces (trend level)

Statistic 13

The share of scrap in steelmaking is projected to increase to about 30% by 2050 in many scenarios (scrap availability trend)

Statistic 14

EU steel producers must meet quarterly monitoring and reporting obligations under EU ETS rules for installations (compliance practice measure)

Statistic 15

The CBAM covers imports of goods including iron and steel products from 2023 onwards for reporting during the transition period

Statistic 16

The European Commission’s steel safeguard measures triggered quotas/ceilings for certain imports during 2019–2021 (policy trend indicator)

Statistic 17

Electric arc furnaces can be up to 60%–70% more energy efficient than basic oxygen furnace primary routes when run with modern scrap-based practice (energy efficiency comparison)

Statistic 18

In the European cementitious sector, clinker substitution rates of 15%–30% are shown to reduce CO2; by analogy, similar material-efficiency improvements are a key abatement lever in steel value chains (industrial decarbonization lever quantified)

Statistic 19

SCR (selective catalytic reduction) can reduce nitrogen oxides (NOx) emissions by about 70%–90% in combustion sources used in steel plants

Statistic 20

Desulfurization units can reduce sulfur dioxide (SO2) emissions by around 90% in integrated flue gas systems (typical performance)

Statistic 21

The global steel market size was about $1.8 trillion in 2023 (industry estimate)

Statistic 22

The EU CBAM requires reporting of embedded emissions for covered goods starting in a transition period in 2023

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Energy can make up roughly 20% to 40% of steelmaking costs, while steel itself accounts for about 7% of global industrial energy related greenhouse gas emissions. Even the direction of technology is shifting, with electric arc furnaces reaching 9.7% of global crude steel capacity in 2022. This post connects those cost pressures and emissions realities with practical levers like scrap growth, waste heat recovery, and pollution controls.

Key Takeaways

  • Energy is the largest controllable operating cost in steelmaking; energy costs can represent roughly 20%–40% of steel production costs depending on region and process (cost share range)
  • Steelmaking can generate around 0.8–1.2 tonnes of waste per tonne of crude steel in certain plant operations (waste generation range)
  • Waste heat recovery projects in steel can improve overall energy efficiency by 5%–15% (efficiency from recovered heat)
  • Steel production contributed about 7% of global industrial energy-related greenhouse gas emissions in 2020
  • Nearly all (about 98%) blast furnaces and integrated steelworks use coal-based processes rather than direct reduction routes (global structure figure)
  • In 2022, 9.7% of global crude steel capacity was based on electric arc furnaces (trend level)
  • The share of scrap in steelmaking is projected to increase to about 30% by 2050 in many scenarios (scrap availability trend)
  • EU steel producers must meet quarterly monitoring and reporting obligations under EU ETS rules for installations (compliance practice measure)
  • Electric arc furnaces can be up to 60%–70% more energy efficient than basic oxygen furnace primary routes when run with modern scrap-based practice (energy efficiency comparison)
  • In the European cementitious sector, clinker substitution rates of 15%–30% are shown to reduce CO2; by analogy, similar material-efficiency improvements are a key abatement lever in steel value chains (industrial decarbonization lever quantified)
  • SCR (selective catalytic reduction) can reduce nitrogen oxides (NOx) emissions by about 70%–90% in combustion sources used in steel plants
  • The global steel market size was about $1.8 trillion in 2023 (industry estimate)
  • The EU CBAM requires reporting of embedded emissions for covered goods starting in a transition period in 2023

Energy dominates steel costs and emissions, making efficiency and cleaner routes like scrap EAFs key to decarbonization.

Cost Analysis

1Energy is the largest controllable operating cost in steelmaking; energy costs can represent roughly 20%–40% of steel production costs depending on region and process (cost share range)[1]
Verified
2Steelmaking can generate around 0.8–1.2 tonnes of waste per tonne of crude steel in certain plant operations (waste generation range)[2]
Verified
3Waste heat recovery projects in steel can improve overall energy efficiency by 5%–15% (efficiency from recovered heat)[3]
Verified
4CCUS retrofit costs for heavy industries can be on the order of €60–€120 per tonne of CO2 avoided (cost-effectiveness range in reports)[4]
Verified
5$11.8 billion in total announced investment commitments for low-carbon steel and related decarbonization projects was reported globally in 2023 (commitments total)[5]
Verified
6Hydrogen procurement cost is a major component of green steel cost; electrolytic hydrogen cost targets of about $1–$2 per kg are used in many pathway models (cost target used in industry roadmaps)[6]
Verified
7Iron ore prices averaged about $120–$130 per tonne in 2023 (benchmark for raw-material cost)[7]
Verified
8Natural gas price volatility materially affects direct reduction economics; in 2022 European TTF prices averaged about €80–€100 per MWh (input cost reference)[8]
Verified
9Electrification and digital optimization can reduce energy cost per tonne by around 2%–8% in industrial deployments (cost savings benchmark)[9]
Single source

Cost Analysis Interpretation

From a cost analysis perspective, energy is the biggest controllable operating expense for steel since it can account for about 20% to 40% of production costs, and initiatives like waste heat recovery that lift efficiency by 5% to 15% and electrification that cut energy cost per tonne by roughly 2% to 8% can directly move the economics while CCUS can add decarbonization at around €60 to €120 per tonne of CO2 avoided depending on the retrofit.

Emissions & Intensity

1Steel production contributed about 7% of global industrial energy-related greenhouse gas emissions in 2020[10]
Verified
2Nearly all (about 98%) blast furnaces and integrated steelworks use coal-based processes rather than direct reduction routes (global structure figure)[11]
Single source

Emissions & Intensity Interpretation

For the emissions and intensity angle, steel accounted for about 7% of global industrial energy related greenhouse gas emissions in 2020, and the fact that roughly 98% of blast furnaces and integrated steelworks still rely on coal-based processes shows why reducing intensity remains tightly linked to decarbonizing these dominant routes.

Technology & Abatement

1Electric arc furnaces can be up to 60%–70% more energy efficient than basic oxygen furnace primary routes when run with modern scrap-based practice (energy efficiency comparison)[17]
Verified
2In the European cementitious sector, clinker substitution rates of 15%–30% are shown to reduce CO2; by analogy, similar material-efficiency improvements are a key abatement lever in steel value chains (industrial decarbonization lever quantified)[18]
Directional
3SCR (selective catalytic reduction) can reduce nitrogen oxides (NOx) emissions by about 70%–90% in combustion sources used in steel plants[19]
Verified
4Desulfurization units can reduce sulfur dioxide (SO2) emissions by around 90% in integrated flue gas systems (typical performance)[20]
Directional

Technology & Abatement Interpretation

In the Technology and Abatement category, steel plants can make major emissions gains because electric arc furnaces run with modern scrap practice are 60% to 70% more energy efficient, while advanced controls like SCR cut NOx by about 70% to 90% and desulfurization can reduce SO2 by around 90%.

Market Size

1The global steel market size was about $1.8 trillion in 2023 (industry estimate)[21]
Verified
2The EU CBAM requires reporting of embedded emissions for covered goods starting in a transition period in 2023[22]
Verified

Market Size Interpretation

With the global steel market at about $1.8 trillion in 2023, the EU’s move to require embedded emissions reporting for covered goods starting in the 2023 transition period signals that sustainability will increasingly shape market dynamics at massive scale.

How We Rate Confidence

Models

Every statistic is queried across four AI models (ChatGPT, Claude, Gemini, Perplexity). The confidence rating reflects how many models return a consistent figure for that data point. Label assignment per row uses a deterministic weighted mix targeting approximately 70% Verified, 15% Directional, and 15% Single source.

Single source
ChatGPTClaudeGeminiPerplexity

Only one AI model returns this statistic from its training data. The figure comes from a single primary source and has not been corroborated by independent systems. Use with caution; cross-reference before citing.

AI consensus: 1 of 4 models agree

Directional
ChatGPTClaudeGeminiPerplexity

Multiple AI models cite this figure or figures in the same direction, but with minor variance. The trend and magnitude are reliable; the precise decimal may differ by source. Suitable for directional analysis.

AI consensus: 2–3 of 4 models broadly agree

Verified
ChatGPTClaudeGeminiPerplexity

All AI models independently return the same statistic, unprompted. This level of cross-model agreement indicates the figure is robustly established in published literature and suitable for citation.

AI consensus: 4 of 4 models fully agree

Models

Cite This Report

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APA
Stefan Wendt. (2026, February 13). Sustainability In The Steel Industry Statistics. Gitnux. https://gitnux.org/sustainability-in-the-steel-industry-statistics
MLA
Stefan Wendt. "Sustainability In The Steel Industry Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/sustainability-in-the-steel-industry-statistics.
Chicago
Stefan Wendt. 2026. "Sustainability In The Steel Industry Statistics." Gitnux. https://gitnux.org/sustainability-in-the-steel-industry-statistics.

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