We keep track of breakdowns at the National Electricity Market’s fossil fuel powered stations.
Reliability Watch is monitoring breakdowns at fossil fuel powered stations across the National Electricity Market. As these stations get older, they are more likely to break down, especially in hot weather, when demand is usually high. We need to keep a close eye on our electricity system’s reliability, because what we can measure, we can improve.
Statewide availability at a glance: Nov 2024six months to 30 Nov 2025
Queensland
New South Wales
Victoria
Failures and breakdowns
We use data from the Australian Energy Market Operator to watch for breakdowns – when a fossil fuel powered station suddenly stops generating electricity.
Stanwell: STAN-1
Loy Yang A: LYA2
Yallourn W: YWPS4
Callide C: CPP_3
Reliability key to keeping the energy transition on track
Reliability Watch monitors the National Electricity Market’s fossil fuel power plants for breakdowns. We started with summer 2024 - 2025 (October - March) because fossil fuel powered stations are more likely to breakdown in hot weather, when demand is also likely to be high.
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New Analysis shows coal breakdowns and maintenance overruns show why we need more renewable energy
Coal fired power stations across our electricity market have continued to record huge numbers of breakdowns during the peak summer period of 2025-26, compounded by overrun maintenance. A new Reliability Watch report has identified that over the 2025-26 summer period, the coal-fired power stations in Australia’s main grid had a staggering 108 outages, including 18 scheduled and 90 unplanned breakdowns.
