Sustainability Report Consolidation method in carbon footprint calculation Operational Organisational boundary in carbon footprint calculation Accounts for 100% of GHG emissions where Wasco has the authority to implement operational policies Independent verification of operational GHG data Our process in calculating and measuring GHG is guided and verified by the MGTC. Scope 1 Coverage: entire Group (100%) CO2 emissions from the consumption of fuel were derived from the emission factor published by the IPCC Guidelines for National Greenhouse Gas Inventories. CO2e Emissions ter Withdrawal (m3) (tonnes) CO2e Emissions (tonnes) 0 5,000,000 10,000,000 15,000,000 20,000,000 25,000,000 30,000,000 2021* 14,070,318 4,880 14,216 15,452 23,860,629 2022 2021* 2022 2023 2021* 2022 Electricity (kWh) 0 5,000 10,000 15,000 20,000 1 1 CO2e Emissions (tonnes) 0 5,000 10,000 15,000 20,000 25,000 30,000 35,000 13,599 24.45 25,225 2.29 2.30 100,000 150,000 200,000 250,000 300,000 20.57 151,121 225,916 Scope 2 Coverage: entire Group (100%) CO2 emissions from electricity use: • Emissions were derived from specific emission factor published by the relevant national government bodies. CO2e Emissions (tonnes) CO2e Emissions (tonnes) 0 5,000,000 10,000,000 15,000,000 20,000,000 25,000,000 30,000,000 2021* 14,070,318 4,880 14,216 15,452 8,719 11,008 14,060 23,860,629 27,028,386 2022 2023 2021* 2022 2023 1* 22 3 2021* 2022 2023 Electricity (kWh) 0 5,000 10,000 15,000 20,000 0 3,000 6,000 9,000 12,000 15,000 CO2e Emissions (tonnes) 0 5,000 10,000 15,000 20,000 25,000 30,000 35,000 0 0.50 1.00 1.50 2.00 2.50 13,599 25,225 29,512 1.88 2.29 2.30 Note: Data for 2022 and 2023 encompasses all entities in Wasco. Data for 2021 were scoped to Wasco’s Energy Division only. 70 Integrated Annual Report 2023
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