bold spirit - ArcelorMittal South Africa

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84 ArcelorMittal South Africa Annual Report 2010 Energy and climate change continued Development of new technologically advanced steel products also contribute to lighter steel products, which in turn reduce carbon emissions. Development of new technologically advanced steel products also contribute to lighter steel products, which in turn reduce carbon emissions. The World Steel Association reports, for example, “Light-weight advanced high-strength steels (AHSS), allow for less steel to be used in cars, reducing their weight by 9%, fuel consumption during the use phase by 5,1% and greenhouse gas emissions by 5,7% without compromising safety.” Measuring our performance Our carbon footprint for our steel manufacturing sites is measured and reported on an annual basis to group in the ArcelorMittal annual report and in the JSE Carbon disclosure project. The basis of calculation is an adapted global model used in ArcelorMittal Group, which benchmarks with similar steel plants. We are reporting on scope I and scope II emissions separately this year. Energy intensity GJ/Ton GJ/Ton 3.18 22.51 2007 Electricity Carbon origin CO 2 Ton/Ton liquid steel Ton CO 2 /Ton liquid steel 0.77 2.13 2007 2.58 31 20.19 During the year under review, overall carbon emissions increased by 13.4% to 16.3M (11.9M ton scope 1 and 4.4M ton scope 2) tonnes of CO 2 due to plants not running at full capacity and major plant disruptions 2.68 19.09 2008 2009 2010 0.69 31 2.12 0.82 1.92 2008 2009 2010 2.55 0.78 20.49 at the Newcastle Works. The lowerthan-efficient production levels lead to a drop in energy efficiency and increasing our energy intensity from 22 GJ/tonne of steel produced to 23 GJ/tonne. 2.10 Scope 2 Scope 1
85 ArcelorMittal South Africa Annual Report 2010 Goals In the coming year the focus will be on the following energy efficiency and CO 2 reduction projects: • Variable-speed drives • Electricity generation from waste process gases and waste heat • Lighting retrofits and replacement • Heat recovery – optimisation of cooling processes, utilisation of generated process heat. • Water heating systems – heat pumps and solar • Compressed-air systems (Saving of 1Kwh = saving of 1.03kg CO 2 ) – Eskom Annual report 2010. The electricity generation and waste heat recovery projects are both running over two to three years and the benefit will only be seen in the specific carbon emissions after full implementation. Most of these projects will only reduce scope II emissions. CO 2 emission per source Coal 70% Nat gas 3% Fuel 0% Electricity 27% Energy GJ per source Coal 82% Nat gas 7% Fuel 0% Electricity 11%
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Annual Report 2010 bold spirit
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I in brief
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Brand values Our goal is to provide
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Financial features Headline earning
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Commercial matters entrepreneurial
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bold spirit - ArcelorMittal South Africa

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