29 July 2025

CleanCo Hits 8 of 9 Maintenance Guarantee Targets, Breaks Records Across Fleet

CleanCo today confirmed it had met eight of nine targets in the first year of the Queensland Government’s Electricity Maintenance Guarantee, while delivering record-breaking generation performance across its energy portfolio.

CleanCo’s Chief Executive Officer Tom Metcalfe said prioritising safety was central to the decision-making process that led to proactive maintenance at the Barron Gorge and Swanbank E power stations, resulting in the slight (~1%) miss against our forced outage target.

“Our first and foremost priority is always the safety of our people, communities, and assets,” Mr Metcalfe said.

“We’re proud to have delivered strong results across eight of nine Electricity Maintenance Guarantee targets in just its first year of operation. In the one area we fell short, we made the right call – taking the time to do things safely and thoroughly.”

The outages included vital rectification work at Barron Gorge Hydro Power Station in Cairns, and follow-up maintenance at Swanbank E Power Station in Ipswich after an $80 million upgrade to improve efficiency and emissions performance. Both stations have since safely returned to full, reliable operation.

Despite these temporary outages, CleanCo achieved exceptional generation results across its portfolio in FY25:

  • Swanbank E Power Station reached a record peak output of 387MW – the highest in its 23-year operational history – shortly after returning from the maintenance outage.
  • Wivenhoe Pumped Hydro delivered its highest-ever annual generation output of 767 GWh in over 40 years of operation, demonstrating its essential role in providing reliable and sustainable energy.
  • Kareeya Hydro recorded its third-highest annual generation in over 65 years of operation, and best performance since 2011, producing nearly 623 GWh.

Mr Metcalfe emphasised that the strong generation performance reflected CleanCo’s alignment with the EMG’s goals of affordability, reliability and sustainability.

“CleanCo continues to deliver significant public value through our commitment to safe, affordable, reliable, and sustainable energy generation.

“This reflects the strength of our generation portfolio, and I thank our dedicated site teams for their professionalism and hard work in delivering these results,” Mr Metcalfe said.

CleanCo provides real-time outage reporting on its website.