Safety first: Mooroopna substation’s new levee bank.
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A permanent levee to protect the Mooroopna Zone Substation from a one-in-200-year flood is now complete as part of work by Powercor to reduce the impact of the changing climate on power supplies to communities.
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Powercor crews have used more than 9000 cubic metres of soil to build the 310m levee around the critical site at Echuca Rd, near Gemmill Swamp, close to the Goulburn River.
The levee height ranges from 2m to up to 4m in the areas closest to the swamp.
Repair work to the substation, which was impacted by October’s floods, has also been completed, while a new retaining wall inside the site has also been built.
The higher the better: The bank ranges from 2m to 4m in height.
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Powercor head of major projects Marcus Olive said the new levee was designed to reduce the risk of floods even larger than what was experienced last October affecting the critical site.
“As our weather becomes more extreme and events like last October’s floods become more common, investing in measures to protect power infrastructure like Mooroopna Zone Substation is critical,” Mr Olive said.
“People rely on power, and this substantial work is about reducing the risk of floods affecting supply to homes and businesses when they need it most.”
Protection: The levee is designed to reduce the risk of floods larger than those experienced in October 2022.
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In October, Powercor turned off the Mooroopna Zone Substation after rising water from nearby rivers and creeks breached a temporary levee and flooded the site.
By turning off the substation, Powercor was able to reduce the safety risk to the community, employees and emergency services, and minimise long-term damage to the site.
The substation supplies about 10,688 homes and businesses in the Mooroopna, Tatura, Ardmona area as well as parts of Shepparton, Kialla, Murchison, Dhurringile, Rushworth and surrounding towns.
At the time, Powercor was able to continue providing power to about 4700 customers connected to the substation by supplying them via other parts of the network, and returned supply to all customers within four days.
