City of Sydney has begun an overhaul of 45 of its properties to make them more energy and water efficient, potentially saving more than $1 million annually.
The two-year project, which will cost $6.9 million, includes Town Hall House, Customs House, pools, community centres, libraries and car parks.
It will involve fitting buildings with energy efficient lighting, air-conditioning and heating, centralising power management systems for computers, and installing voltage reduction units to reduce energy use by pumps, fans and lights.
The initiative would almost triple the reduction in the council’s carbon emissions, from 6.8 percent to 19.9 percent, says Lord Mayor Clover Moore.
Origin Energy won the tender process to deliver the project, and energy and water performance guarantees will be independently verified.

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