Stanwell has just completed its second major planned power station unit overhaul this year to be able to continue to generate secure, reliable electricity year-round and to meet any increase in demand this summer.

Stanwell manages its assets through a comprehensive maintenance program, including major unit overhauls, to ensure we are ready for peak demand periods.

Stanwell invested approximately $165 million in 2024 including more than $110 million on two major overhauls including:

$53 million for the Unit Two planned overhaul at Tarong Power Station, that required an extra 500 workers over three months and injected $10 million into the South Burnett economy; and

$60 million for the Unit Two planned overhaul at Stanwell Power Station, that also required an extra 500 workers and injected $10 million into the Central Queensland economy around Rockhampton.

Power station overhauls are large-scale projects that maintain the reliability, efficiency and safety of our electricity generation units. An overhaul of each unit is undertaken by Stanwell every five years.

Stanwell CEO Michael O’Rourke said the planned overhauls are part of Stanwell’s year-round maintenance program and ensures that we continue to meet our customers and the National Electricity Market’s (NEM) energy demands.

“Stanwell is committed to providing a reliable and secure energy supply to Queenslanders,” Mr O’Rourke said.

“We operate two of the most efficient and reliable coal-fired power stations in Australia, the Stanwell Power Station west of Rockhampton, and the Tarong power stations near Kingaroy.

“From these power stations, we were able to deliver more than 19 terawatt hours of energy last year to the NEM and provide more than a third of all of Queensland’s power with a reliability factor of more than 99 per cent.

“Our assets are required to have regular maintenance, to ensure they are kept in good condition and continue to deliver electricity reliably and safely, including during the hot summer energy-intensive months.

“Summer brings a natural increase in energy consumption as homes and businesses rely on air conditioners to cope with the heat and as we experience summer weather events that place further strain on the network.

“As temperatures rise and energy consumption increases, Stanwell has implemented a range of measures including unit overhauls to ensure the continued reliability of our operations.

“Our team has worked diligently to ensure that our systems are robust and ready to handle the increased load."

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