NABERS success for Mirvac's Sirius House, Canberra

NABERS success for Mirvac's Sirius House, Canberra
NABERS success for Mirvac's Sirius House, Canberra

Mirvac has secured Australia’s first government backed 6-star energy rating for office building Sirius House in Canberra.

The National Australian Built Energy Rating System (NABERS) provides a star rating for the environmental performance of offices, shopping centres, hotels and homes.

Mirvac is the first to rate 6 stars for a major office building. Using Greenpower, the 10-level Furzer Street building in Phillip emits 50% less greenhouse gases than a 5-star rated building. Owners and tenants drive NABERS assessments.

Mirvac’s Group Executive, Office and Industrial Operations, Ben Hindmarsh says the result follows a number of recent sustainability initiatives.

“The solar PV system alone delivers a reduction of approximately 100 tonnes of greenhouse gas emissions per annum, which is the equivalent to the annual emissions of 30 cars,” says Hindmarsh.

The rating is extrapolated from 12 months of measured data from water and power usage along with a waste audit. Using algorithms NABERS, which is managed by the NSW Government’s Office of Environment and Heritage for the Federal, state and territory governments, compares one property with similar buildings in the same location.

Mirvac’s 46,000 square metre Sirius House previously rated at 5.5-star with NABERS for two years.

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