The Federal Government issued the first Transmission and Infrastructure Licence under the offshore electricity regime to the 1.5 GW Marinus Link interconnector. The regulatory approval enables the planned undersea link to progress infrastructure development between Tasmania and Victoria.
AEMO issued directions to AGL SA Generation for the Barker Inlet and Torrens Island B4 power stations in South Australia. The market operator identified a foreseeable circumstance requiring an intervention event in the region from 12:00 on 25 September.
AEMO stated that a record 9.1 GW of new renewable energy and storage capacity connected to the NEM in the 2026 financial year. The market operator stated that future reliability depends on timely investment.
The NEM average price of $78.1/MWh was above the seven-day average of $61.1/MWh. South Australia recorded the highest regional average at $87.4/MWh, above its seven-day average of $48.2/MWh. The highest price reached $139/MWh in Tasmania at 07:15, while the lowest was $7/MWh in Queensland at 07:20. Operational demand peaked in New South Wales at 8,786 MW at 17:55. Renewable generation supplied 42.9 per cent of energy, with an instantaneous peak of 72.5 per cent at 11:35, while batteries discharged 16,886 MWh.
Brent Crude fell 8.2 per cent to US$97.84 a barrel. Natural Gas decreased 2.2 per cent to US$3.22/mmbtu. TTF Gas dropped 4.0 per cent to EUR72.08/MWh.
AER approved the 2026 to 2031 Electricity Pricing and Services Plan for Jemena Electricity Networks. AEMO opened consultation on changes to the transportation service point register, with submissions closing on 21 October. AEMO submitted a response to the ISP review outlining its perspective on the planning landscape. AER is reviewing the AusNet Services transmission revenue proposal for the 2027 to 2032 regulatory period. Endeavour Energy reported that crews continued repair works following severe wind storms, expecting to restore power to 90 per cent of impacted customers by 22:00 on 6 September. Transgrid published its submission to the review of the standardised capital expenditure model consultation paper by AER.