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Power Supply

The project will use about 90MW of power from the grid to operate the plant and the water transfer pipeline to produce 150 billion litres of water per year. If the Government orders less water, less power will be required.

All of the power used for operation of the plant and transfer pipeline will be offset by renewable energy certificates.

AquaSure will replace this energy back into the grid by buying renewable energy certificates through AGL. This will provide green energy through sources including wind farms.

A standard 4-star fridge uses about the same energy as the desalination plant per household per day. A hot water service would use almost eight times as much energy as the desalination plant per household per day.

The power supply was placed underground, rather than overhead, at the request of communities and landowners. The Government preferred underground power as it reduces visual impacts.

It is 87km long and is a dedicated supply for the desalination plant. The cables are located in the same easement as the pipeline, sharing the same alignment except for a 9km section where it diverts at Clyde North to Cranbourne Terminal Station.

High Voltage Alternating Current (HVAC) has been chosen because it provides a reliable supply of power. HVAC has less energy loss than High Voltage Direct Current and is less complex.

The HVAC design will require some power load compensating equipment, which will be co-located with the pipeline booster pump station at Clyde North and at a point south of Lang Lang.

Each of these installations will occupy a small area and have landscaping to minimise visual impacts.

Fibre optic cable will be installed with the power supply. The fibre optic cable will have the capacity to provide communications services to local communities subject to further development by State and Federal departments responsible for telecommunications and infrastructure development.

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