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Energy efficient design and possible savings - Willowdale Community Centre

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Case study prepared by Team Catalyst showing how the design of a community centre in a retirement village in western Sydney might change if the building had been designed to comply with the 2019 version of the energy efficiency provisions in Section J of Volume 1 of the National Construction Code, rather than the 2016 version. The case study focuses on the building fabric provisions. The case study was completed in early 2018 using an early draft version of Section J 2019 and does not fully reflect the final version published in February 2019.  

Energy-efficient equipment - Golden North

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Golden North is a manufacturer of premium ice cream and frozen yoghurt. Its South Australian facility at Laura consumes 6930 gigajoules (GJ) of electricity per annum, about 75% of which is used by the refrigeration plant. Energy assessment identified numerous areas for savings through energy efficiency improvements, including replacing inefficient compressors with a single crew compressor (and using variable speed drives to ensure it runs efficiently); installation of hot water exchangers for oil cooling and installing variable speed fans.

Reducing energy use - The Good Loaf Sourdough Bakery & Cafe

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The owners of Bendigo’s The Good Loaf Sourdough Bakery & Café regularly review the businesses energy practices. This factsheet details a number of changes made in the last few years, which included:

  • installing energy-efficient compact fluorescent lamps (CFLs)
  • a timer on the baking oven
  • zoning the bakery’s lighting 

These changes, and others detailed in this factsheet, have meant that despite the business growing 10% in recent years, energy costs have remained stable. A cost saving of $2000 per annum.

Energy use reduction - McIvor Road Vet Clinic

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At the McIvor Road Vet Clinic in Victoria, an increase in demand for its services led to installation of new equipment. Energy bills went ‘through the roof’, and service demands meant switching equipment off was not an option. Instead, the Clinic installed additional insulation and a 10kW solar PV system, switched from halogen to light emitting diodes (LEDs), and installed a solar boosted, gas hot water system. Within 12 months, the Clinic’s energy use has been cut by 50%, saving $5000 per annum.

Energy audit and refrigeration condenser - Mitchell Butchery

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Mitchell is a small town servicing landholders in the western downs district of south west Queensland. Mitchell business owners were offered a level 2 energy audit to gather information on the typical energy use by their business and to gain an understanding of potential energy efficiency opportunities across the project area. Mitchell Butchery participated in the audit activity.

Energy audit identifies refrigerator upgrades savings - Roma beef property

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The owners of a black Angus breeding and fattening operation on a small, pastoral property north west of Roma Queensland, were using dated refrigeration units to cool and store beef as well as other household perishable goods. An officer from Queensland Murray-Darling Committee’s (QMDC) Energy Efficiency Information Grant project was engaged to conduct an audit of the property’s energy use to ascertain whether savings could be achieved.

Car wash equipment upgrade - Mr Magic Car Wash

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Mr Magic Car Wash is a car wash and detailing service operating in Roma, Queensland. The Queensland Murray-Darling Committee (QMDC), through its Energy Efficiency Information Grant Project, was given the opportunity to observe and detail an energy efficient retrofit of the car washing operation after the business changed ownership.

Energy assessment and LED lighting - QMDC Chesterfield tractors

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Located in Goondiwindi, Queensland Chesterfield Australia is an Agricultural and Construction Equipment company. The Goondiwindi site has both workshop and a retail spaces requiring specific lighting. During the Financial Years 2012/13, the facility consumed 119,984 kilowatt hours (kWh) of electricity, emitting 103 tonnes of carbon. An energy audit identified potential energy efficiency cost savings of approximately $6605 a year using light emitting diodes (LEDs) upgrades, with a payback period of just 2.2 years.

Energy audit - QMDC aged care facility

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Queensland Murray Darling Committee Inc (QMDC) completed an energy audit on an aged care facility near Warwick, Queensland. The retirement home consists of single level accommodation buildings and the capacity to accommodate 40 residents. During the Financial Years 2012/13, the facility consumed 114,467 kWh of electricity, emitting 98 tonnes of carbon. An energy audit identified potential energy efficiency cost savings worth approximately $4,257 per annum with an average payback period of 3.1 years.

Refrigerator head pressure reduction - Caernarvon Orchard

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At the JW Kirkwood Ticehurst Orchard in Tasmania, 58% of  the annual electricity spend of around $90,000 is for refrigeration of its cool rooms and other systems. In WA, Newton Brothers packhouse and cold storage spends 70% of its $350,000 annual electricity costs on cold storage.  Both could save money by reducing the head pressure in their refrigeration units. this would cost around $5000, save between $2500 and $3500 a year and have a payback period of just 1-2 years.