QLD1· NEM — 5-min dispatch intervals
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Queensland's FCAS market draws on a diverse generation fleet that includes black coal baseload, gas-fired peaking plants, and a rapidly growing portfolio of large-scale solar farms. The state's coal generators remain important providers of inertia and contingency FCAS, while newer battery installations are entering the regulation market.
The Queensland-New South Wales Interconnector (QNI) is a critical factor in FCAS pricing. When QNI constraints limit FCAS transfer between regions, Queensland can experience localised price spikes, particularly during periods of high demand or when major generators are on planned maintenance.
As large-scale solar capacity continues to grow in Queensland, midday FCAS dynamics are shifting. The rapid ramping of solar generation creates increased demand for regulation services, while the afternoon solar decline drives contingency FCAS requirements as thermal generators ramp up to replace solar output.