GRI 305-3 Other indirect (Scope 3) GHG emissions
Material Scope 3 greenhouse gas emissions - Scope 3 emissions come from our wider supply chain. We have reported below on the material Scope 3 emissions, which contribute the most to our total Scope 3 emissions.
| Electricity generation fuel type | Emissions (tCO2-e) | Emissions intensity (tCO2-e/MWh)c | ||||
|---|---|---|---|---|---|---|
| FY23 | FY22 | FY21 | FY23 | FY22 | FY21 | |
| Brown coalb | 7,355,411 | 7,541,163 | 7,269,445 | 1.21 | 1.19 | 1.18 |
| Wind | - | - | - | - | - | - |
| Solar | - | - | - | - | - | - |
| Total | 7,355,411 | 7,541,163 | 7,269,445 | 0.96 | 0.94 | 0.94 |
(a) Emissions associated with contracted purchases of electricity from specific generation assets that are not operated by Alinta Energy.
(b) Relates to Alinta Energy’s capacity agreement with Loy Yang B power station.
(c) While wind and solar generation do not have any material emissions associated with their electricity generation, they reduce our overall emissions intensity.
Scope 3 emissions (tCO2-e) associated with gas sold to end-use customers in Australia
| Gas sold (GJ) | Emissions (tCO2-e) | |||
|---|---|---|---|---|
| FY23 | FY23 | FY22a | FY21a | |
| End-use customers | 45,984,115 | 2,602,965 | 2,344,480 | 2,258,538 |
Combustion and upstream extraction emissions are calculated based on factors included in the National Greenhouse Account Factors published by the Department of Industry, Science, Energy and Resources.
(a) Emissions from prior years are restated due to the emission factors used. FY22 restated from 210,636 tCO2-e and FY21 restated from 200,452 tCO2-e.
Scope 3 emissions (tCO2-e) associated with owned but not operated facilities in Australiaa
| Electricity generation fuel type | Emissions (tCO2-) | Emissions intensity (tCO2-e/MWh)c | ||||
|---|---|---|---|---|---|---|
| FY23 | FY22 | FY21 | FY23 | FY22 | FY21 | |
| Natural Gasa | 689,065 | 524,252 | 668,073 | 0.43 | 0.43 | 0.43 |
| Otherb | 610,612 | 397,665 | 418,726 | N/A | N/A | N/A |
| Total | 1,299,677 | 921,917 | 1,086,799 | N/A | N/A | N/A |
(a) This relates to our Pinjarra power station which is embedded in Alcoa’s facility and operated by Alcoa.
(b) This relates to other emissions of the Pinjarra power station that are not for the purpose of generating electricity, and therefore have no associated emissions intensity.
