Environment
Air emissions - oxides of nitrogen (NOx)
AGL Loy Yang oxides of nitrogen emissions decreased 17% in FY25. The decrease in emissions aligns with the decrease in coal combustion (down ~10%).
Bayswater Power Station oxides of nitrogen emissions increased 10% in FY25. The observed increase in emissions occurred despite the decrease in sub-bituminous coal combustion (down 3%) and total electricity generated (down 2%). NOx emissions are influenced by combustion conditions, including oxygen levels and temperature.
AGL Torrens oxides of nitrogen emissions increased 39% in FY25. Emissions are calculated from the combustion of pipeline natural gas, light fuel oil, LPG, and diesel at AGL Torrens. The increase in emissions aligns with the overall increase in pipeline natural gas combustion at AGL Torrens (up 40%).
FY25 data was updated in November 2025. A subset of data (comprising emissions associated with the combustion of black coal at Bayswater Power Station, black and brown coal as well as natural gas at AGL Loy Yang Power Station, and gas and fuel oil at AGL Torrens) was reported with the initial release of the FY25 Data Centre on August 13. |
For the purposes of this data set, AGL Torrens comprises the Torrens Island Power Station and the Barker Inlet Power Station. |
All figures have been rounded to the nearest kilogram. |
Continuous Emission Monitoring System (CEMS) was introduced to Units 2, 3 and 4 at Bayswater Power Station in November 2017. |
Air emissions data for AGL sites is publicly reported NPI data (see www.npi.gov.au). |
The emission factors used in AGL's NPI reports are sourced from relevant industry emission estimation technique manuals available on the NPI website. |
SASB IF-EU-120a |