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Potential energy savings - Stockland Green Hills Shopping Centre

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This case study prepared by Team Catalyst showing how the design of a shopping centre in Maitland New South Wales 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 uses the Greenstar verification method (JV2) newly added to the 2019 version of Section J. 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.

Greening the Arts - Arts Project Australia

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The not-for-profit organisation, Arts Project Australia, provides an inner city studio and gallery to nurture and promote artists with an intellectual disability. Owning the building makes environment actions even more compelling, so when an audit helped clarify priorities, the organisation got started. It installed double-glazed and operable windows, replaced halogens with light emitting diodes (LEDs), and switched power companies. Their first bill after the changes was $1200 less than usual.

Energy and water efficiency and waste reduction - Alto Hotel

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When the Alto Hotel was built in 2006, sustainability features were built into the design. Today, the hotel achieves outstanding savings in energy, waste and water use. While these features added approximately $450,000 to the $5 million build, savings on electricity, water, gas and chemicals are estimated at $50,000 per annum, and creates a point of different for customers.

Lighting upgrade - Albion Budget Supermarket

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At the Albion Budget Supermarket in Brunswick West Melbourne a public event helped provide funds for sustainability improvements. Called a ‘Carrotmob’, this event promises businesses a ‘mob’ of consumers in exchange for the business owner spending some of that additional revenue on sustainability improvements. The $700 raised at this event covered the cost of replacing half the supermarkets existing lights with more efficient T5 fluorescent tubes. In turn, that has saved the owners money. The supermarket is on track to save over $600 in electricity costs every year.

Energy efficiency improvements - Newcastle French Hot Bread

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Newcastle French Hot Bread, a busy bakery and café in Newcastle in NSW, used an action plan to gradually implement the improvements suggested by a local energy assessor. Changes included maintenance and repair of seals on oven doors, using an off-peak timer for the electric hot water system, and separating lights to different circuits, allowing for zoning. A bill analysis also showed they’d been overcharged by their energy retailer: working via the Ombudsman recovered the business $30,000. 

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 assessment and equipment upgrades reduces energy use - Majors SUPA IGA

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Major’s SUPA IGA has served its community for more than 100 years.  The owners have implemented numerous energy efficiency measures including airlocking the store entrance - creating a thermal barrier, by installing a second door, reduces air exchange between external and internal areas of the store, and cuts the heating, cooling and refrigeration load. Upgrading the heating and cooling system - installing variable speed drives to the heat pump and upgrading the cooling tower to a compressed condenser with high efficiency fans to reduce energy input to energy output requirements and increas

Energy efficiency assessment - Bendigo Access Employment

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 As a result of the recommendations from an energy assessment, Bendigo Access Employment has been reducing energy use across all sites. Measures implemented have included:

  • turning off PAs/amplifiers/data projectors located in class rooms, training rooms and meeting rooms when not in use
  • increasing the ICT server room temperature from 16 to 18°C
  • removing staff personal heaters 

Energy audit of computing equipment - Keep IT Simple

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Queensland Murray Darling Committee Inc (QMDC) completed an energy audit on commercial premises in Goondiwindi Queensland. Over the 12 months up until February 2014, the facility consumed 23,650 kWh of electricity, emitting 20.3 tonnes of carbon. An energy audit identified potential energy efficiency cost savings worth approximately $2,603 per annum with an average payback period of 1.7 years.