Sasol Climate Change Report 2023 - Book - Page 38
INTRODUCTION
TRANSFORMING FOR RESILIENCE
GOVERNANCE
CLIMATE ADVOCACY AND POLICY
DATA AND ASSURANCE
CHEMICALS BUSINESS CONTINUED
NORTH AMERICAN OPERATIONS
Scope 1 and 2
~1,1 MtCO2e
+ 0,6 MtCO2e
Lake Charles
growth
Renewable
electricity
Process
and energy
efficiency
-20%
CCUS
Scope 1 and 2
~1,4 MtCO2e
2017
2026
Baseline
Milestone
The key elements of the GHG emission-reduction roadmap
NORTH AMERICAN OPERATIONS
Reduction programme centres around:
" Renewable energy
3 Transition to renewable electricity
North American achievements against
the roadmap include:
replacement of steam from a utility provider
utilising petroleum coke as the energy
source to Lake Charles, with lower-carbon
steam generated from natural gas; and
reducing carbon dioxide emissions from the
East Cracker at Lake Charles by supplementing
fuel gas with hydrogen off-gas.
Both initiatives are expected to be
implemented before the end of calendar year
2023, contributing an approximate 7%
emissions reduction off the 2017 baseline.
The closure of the Oil City facility in
Pennsylvania in the first half of 2023
contributed positively to a reduced emissions
profile of 11 ktpa CO2e (a 0,6% reduction from
the baseline).
Renewable energy
" Energy and progress efficiency
3 AI-driven process optimisation
" CCUS
3 Developing opportunity landscape
CCUS
Two renewable electricity projects were identified as viable options to reduce
scope 2 emissions: a VPPA and a PPA utilising a local power provider. Both options
are, however, currently on hold while alternative scope 2 emission-reduction
options are investigated.
CCUS studies were completed in December 2022. This work identified the optimal
process scope to deliver required product quality while also meeting storage
requirements. Further studies are expected to begin in 2024.
Recent federal and state government policies are projected to kickstart the United
States CCUS industry, grow capacity and drive down costs.
Energy and process efficiency
Key future focus areas include the development of an energy-efficiency
programme for Lake Charles and full implementation of an artificial intelligence
(AI)-driven process optimisation application that is being tested. This approach
takes current operating conditions and relates these to the best operating point
to minimise energy consumption.
Sasol Chemicals deployed AI-driven technology at its Ethylene Unit in Louisiana to
monitor energy usage and emissions, aiming to reduce carbon dioxide emissions
and improve energy efficiency. This innovative solution will provide accurate data
to support decision-making and drive more sustainable operations.
SASOL CLIMATE CHANGE REPORT 2023
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Sasol continues to closely track the implementation of these policies and their
impact on the United States CCUS landscape and other decarbonisation
infrastructure development, such as hydrogen and renewables.