Transcript Document
New Zealand Aluminium Smelters Ltd
Climate Change Approach
Stewart Hamilton
Business Improvement Manager
Introduction
• Business Improvement Manager
• Support Business Improvement by developing operational
expertise to deliver sustainable value
• Move business towards strategic performance targets in Key
Result Areas:
• Health and Safety
• People Commitment
• Environment and Communities
• Market Position
• Operational Excellence
• Financial Strength
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NZAS – Climate Change Approach
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NZAS Climate Change Approach
• World Aluminium Industry
• NZAS Performance in the Industry
• NZAS Approach – Sustainable and Technical
• Role of Aluminium as part of the solution
• NZAS Approach - Communities and Policy
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NZAS – Climate Change Approach
18 July 2015
NZAS Climate Change Approach
• World Aluminium Industry
• NZAS Performance in the Industry
• NZAS Approach – Sustainable and Technical
• Role of Aluminium as part of the solution
• NZAS Approach - Communities and Policy
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NZAS – Climate Change Approach
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How Aluminium Is Produced
2 tonnes Alumina
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NZAS – Climate Change Approach
1 tonne Aluminium
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World Aluminium Production
• ~45 Million Tonne of Aluminium
(Primary and Recycled)
• ~350 Million Tonne of CO2-e
• ~5x New Zealand Emissions
Aluminium Smelter
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Alumina Refinery
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Bauxite Mine
NZAS Climate Change Approach
• World Aluminium Industry
• NZAS Performance in the Industry
• NZAS Approach – Sustainable and Technical
• Role of Aluminium as part of the solution
• NZAS Approach - Communities and Policy
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NZAS – Climate Change Approach
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NZAS
Rio Tinto Aluminium
(79.36%)
Sumitomo Chemical
Company
(20.64%)
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NZAS Operations Summary
• ~20th largest Aluminium Smelter (out of 200+)
• Producing 350,000 tonnes aluminium/year
• Producing the highest purity aluminium in the world
• Export revenue NZ$1.4bn
• Using 13% of all NZ Electricity
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NZAS – Climate Change Approach
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NZAS Greenhouse Gas Emissions
• NZAS CO2-e Direct Site Emissions 680,000 tonne/yr
Fuel
10%
PFC
10%
Carbon Anodes
80%
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NZAS Performance
• Reduced absolute site CO2-e by 41% since 1990
• Top 10% Carbon Intensity of World Smelters
• Top 20% Energy Efficiency of World Smelters
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NZAS Competitive Challenges
• Reducing Emissions (technical risk)
– Technical Limit to the Process
– NZAS at World’s Best Practice for Cohort Group
• Cost of Emissions (business risk)
– Electricity represents 40% of NZAS costs
– Selling on a International Commodity Market
– Competitiveness at Risk
• Carbon Leakage Risk
– NZ Power Generation – high proportion of renewables
– Net Emissions Lower from NZ Aluminium Production
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NZAS – Climate Change Approach
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NZAS Climate Change Approach
• World Aluminium Industry
• NZAS Performance in the Industry
• NZAS Approach – Sustainable and Technical
• Role of Aluminium as part of the solution
• NZAS Approach - Communities and Policy
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NZAS – Climate Change Approach
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NZAS Sustainable Approach
License to Operate
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Cost & Revenue
NZAS Sustainable Approach
• Sustainable Business comes from Governance in both:
– License to Operate
– Cost and Revenue
• Systems Developed to Support a Culture of:
– Attention to Detail – Procedures and Data Management
– Continuous Improvement
– Rewarding behaviour Aligned with our Goals and Values
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Approach to Technical Challenge
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Business Improvement Projects – Six Sigma Rigor
“Adapt and Adopt”
$5-15 Million per year
~ 15 Full Time Project Leaders
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DC Power efficiency - Project 200
Process Carbon Efficiency – Froth Flotation
PFC reduction (Anode Effects) – Process Control
Fuel Combustion Efficiency
Recycling of Extrusion Scrap
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NZAS – Climate Change Approach
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NZAS Climate Change Approach
• World Aluminium Industry
• NZAS Performance in the Industry
• NZAS Approach – Sustainable and Technical
• Role of Aluminium as part of the solution
• NZAS Approach - Communities and Policy
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Aluminium as Part of the Solution
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Aluminium Life Cycle
• 706 million tonnes produced (since
1888)
• Approx ¾ of this still used
• Recycling aluminium requires 95% less
energy than primary aluminium smelting
516
190
Metal Loss
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• Recycling of aluminium today saves an
estimated 84 million tonnes of CO2-e per
year
• Recycling the metal still in use = 15
years’ primary aluminium output
Metal Still in Use
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NZAS Aluminium Recycling
• A cornerstone of Sustainable
Practices
• RTA Partnership developed with
End-User Customer in NZ
• 3600 tonnes of Aluminium
recycled in 2006
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Aluminium Offset
• 60-75% of vehicle fuel use is weight related
• Typical aluminum parts 40-50% lighter than a comparable steel part
• 1 kg of aluminium used as replacement = 20kg of CO2 over lifetime
GHG Emissions from Aluminium Production versus GHG savings from Vehicle
Lightweighting
600
500
GHG (Mtonnes CO2-e)
400
300
200
GHG from Aluminium Production
GHG saving from Vehicle Light Weighting
100
0
1985
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1990
1995
2000
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2005
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2010
2015
2020
2025
NZAS Aluminium Offset
• For other vehicles, such as trains, ferries and aircraft the
potential savings are even greater
• 18,000 tonnes per annum of NZAS high purity aluminium is
supplied to European aerospace industry
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NZAS Climate Change Approach
• World Aluminium Industry
• NZAS Performance in the Industry
• NZAS Approach – Sustainable and Technical
• Role of Aluminium as part of the solution
• NZAS Approach - Communities and Policy
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NZAS Community Approach
• Energy Efficiency Extends beyond the gate…
• Retrofit all Bluff homes with high quality insulation products
• NZAS provide financial
backing and support
contractors in project safety
and project management
• 200 homes complete to
date
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NZAS Policy Approach
• Business as Usual is NOT an option
• Short term – simple options that do not compromise long
term policy
– Voluntary agreement leveraging off NGA framework
– Options to promote renewables and offsets
• Medium to Long term – Emissions Trading Scheme
– Enable lowest cost abatement - deploy low emissions technology
– Design complex - Allocation principles & impact on Electricity pricing
– Market mechanism to aid technology development..?
• Emissions Permit Allocation
– Recognition of prior action Credit for Early Action
– Competitiveness at Risk
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Climate Change - A Business Driver
• NZAS will continue to target and work on Climate Change
Impacts irrespective of current policy uncertainty
– Expectation that there will be a price on carbon
– Set meaningful targets to reduce Energy and GHG
– Incorporate in employee incentive payment scheme
– Deploy strategic improvement projects
– Invest in R&D to reduce the GHG intensity of our processes
– Work with industry groups and governments in policy formulation
– Investigate offset projects – on and off site
– Promote recycling and the life cycle benefits of Aluminium usage
– These approaches are almost always cost effective
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New Zealand Aluminium Smelters Ltd
Climate Change Approach
Stewart Hamilton
Business Improvement Manager