EnergyReader · 2026-08-08 04:23

Millmerran Unit 1 Trip Exposes Shrinking Coal Security Premium in NEM Spot

By EnergyReader Newsroom · August 8, 2026

Millmerran Unit 1 tripped out of service on Friday (2026-08-07), causing an instantaneous frequency deviation across the National Electricity Market. The magnitude was materially smaller than losing a thermal unit of that size would have produced in earlier years. The contained drop points to a grid whose fast-response reserves are increasingly drawn from sources other than large synchronous coal plant.

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