Monday 13 July 2026

Regional average prices varied widely across the NEM, ranging from 115.90 dollars in Tasmania to negative 5.80 dollars in South Australia. South Australia saw 454 negative price intervals, while Victoria recorded 306 negative intervals and an average price of 15.70 dollars. Tasmania was the only region to hit the price cap, reaching 23,200 dollars per megawatt hour during two specific intervals.

Aggregate demand peaked in the evening, led by New South Wales at 10,971 megawatts at 18:45 and Victoria at 8,115 megawatts at 18:00. Total renewable energy share for the day was 48.4 percent, with rooftop and utility solar combining for 15.2 percent of the mix. Wind generation was the second largest source of energy at 27.3 percent, while gas contributed only 1.3 percent.

Battery storage systems discharged 15,843 megawatt hours into the grid, though the sector remained a net consumer with 3,069 megawatt hours of net charging. FCAS costs were concentrated in Tasmania, where the Raise Regulation service peaked at 217 dollars and Raise 6 Second reached 382 dollars. Interconnector flows showed 47,748 megawatt hours moving from Victoria to New South Wales to support northern demand.

Total daily emissions were 328,898 tonnes of carbon dioxide, reflecting a substantial decrease from the previous week. Despite the volatility in Tasmania, the broader market saw relatively subdued pricing in the mainland regions during the middle of the day.