Wivenhoe overhaul finishes ahead of schedule

McElligotts workers painting the internals of Wivenhoe Power Station during the overhaul

The $11.8 million major overhaul of Unit 2 at CS Energy’s Wivenhoe Power Station has finished ahead of schedule and under budget.

Originally scheduled for 92 days from April 3 to July 3, the unit was returned to service and available for commercial use on June 26.

More than 54,300 hours were worked on the overhaul by CS Energy employees and contractors MHPS, Cleanaway, McElligotts, and In Place Machining.

The overhaul had a peak workforce of 120 people on site, which comprises the power station’s permanent workforce of 11 and more than 100 contractors.

The overhaul included statutory maintenance, sandblasting and repairs to the pump suction conduit and turbine spiral casing.

A further $3.08 million was allocated for the refurbishment of the guard gate at Wivenhoe’s upper reservoir Splityard Creek Dam.

Wivenhoe has two generating units with a combined capacity of 570MW and is the only pumped storage hydroelectric plant in Queensland.

The peaking power station performs a valuable role providing fast response power during high electricity demand periods.

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