QLD1 · NEM — 5-min dispatch intervals
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Queensland's electricity market is characterised by a diverse generation fleet that includes major black coal power stations such as Gladstone, Callide, and Stanwell, alongside a rapidly growing portfolio of large-scale solar farms. The state's rooftop solar penetration is among the highest in the world, significantly depressing daytime wholesale prices and reshaping the daily price profile.
The significant liquefied natural gas (LNG) export industry in Queensland has implications for the domestic gas market and, by extension, gas-fired electricity generation costs. Queensland is connected to New South Wales via the Queensland-New South Wales Interconnector (QNI), and flows on this link influence spot prices in both regions.
Queensland spot prices are set by AEMO every five minutes as part of the NEM dispatch process, with price outcomes driven by coal plant availability, solar generation levels, gas prices, and interconnector capacity to New South Wales.