Net Zero Industry Tracker 2024 Aluminium
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ALUMINIUM
Key performance data 2023407,408,409,410
2%1.12 Gt CO2e1.3%
Contribution to global
GHG emissionsScope 1 and 2 emissions (2023) Emissions decrease (2019-2023)
10.04 tCO 2eq 61%1. 8 times
Emissions intensity (per tonne
of aluminium, 2023)Fossil fuels in the smelting
power mix (2022)Demand increase in NZE scenario
by 2050, compared to 2023
Performance summary
–The industry has reduced emission intensity by 13.6% from 2019 to 2023.411 This is mainly
driven by improvements in reduced reliance on coal, increased secondary production and
energy efficiencies.
–The absolute emission for aluminium (primary and secondary combined) was 1.13 Gt of CO2e
in 2019, decreasing to 1.12 Gt of CO2e in 2023.412
–Hydropower and renewable energy contribute to 39% of the electricity used in smelting.413
–Secondary aluminium, which requires significantly less energy, contributes to 36% of
total production.
Future emissions trajectory
–The industry will need to reduce emissions intensity by 30% by 2030 and 97% by 2050,
compared to 2022 levels, to be compatible with the IAI’s 1.5 degrees scenario. The absolute
CO2 emissions for aluminium (primary and secondary combined) will need to be 810 Mt in
2030 and 53 Mt in 2050.414
Net-Zero Industry Tracker: 2024 Edition
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