In line with our final decision on Energex's electricity distribution network, we have updated Energex's return on debt for 2021–22. As a result of this update, the return on debt for 2021–22 is 4.49 per cent. This results in an X-factor for 2021–22 of 1.65 per cent. Holding other things constant, a positive X-factor implies a real revenue decrease and a negative X-factor implies a real revenue increase. The revised PTRM shows the updated X-factor.

In line with our final decision on Energex's electricity distribution network, we have updated Energex's return on debt for 2022–23. As a result of this update, the return on debt for 2022–23 is 4.38 per cent. This results in an X-factor for 2022–23 of 1.44 per cent. Holding other things constant, a positive X-factor implies a real revenue decrease and a negative X-factor implies a real revenue increase. The revised PTRM shows the updated X-factor.

On 30 March 2023, the AER released its determination on Energex’s 2022 February-March flooding cost pass through application. The application related to the widespread flooding which occurred throughout South East Queensland during the period 22 February to 7 March 2022. A period of severe weather caused significant and widespread flooding which severely impacted Energex's electricity distribution network.

In line with our final decision on Energex's electricity distribution network, we have updated Energex's return on debt for 2023–24. As a result of this update, the return on debt for 2023–24 is 4.51 per cent. This results in an X-factor for 2023–24 of 0.22 per cent. Holding other things constant, a positive X-factor implies a real revenue decrease and a negative X-factor implies a real revenue increase. The revised PTRM shows the updated X-factor.

In line with our final decision on Energex's electricity distribution network, we have updated Energex's return on debt for 2024-25. As a result of this update, the return on debt for 2024-25 is 4.60 per cent. This results in an X-factor for 2024-25 of -4.53 per cent. Holding other things constant, a positive X-factor implies a real revenue decrease and a negative X-factor implies a real revenue increase. The revised PTRM shows the updated X-factor.