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Waitemata dhb designs new hospital with energy efficiency in mind

Case studies

1 March 2009

During the design phase of Waitakere Hospital a design audit was undertaken to ensure that the new facilities were low-energy environments. Adjustments were made to the design so that the buildings made the most of natural ventilation, insulation and natural lighting levels were increased as well as the use of other energy efficient technologies.

Read more about Waitemata dhb designs new hospital with energy efficiency in mind
Co-firing of biomass with coal at the Dunedin Energy Centre

Case studies

20 September 2008

Energy for Industry purchased the Dunedin Energy Centre from the Otago District Health Board (ODHB) in 2002 under a BOOT partnership (Build, Own, Operate, Transfer). The energy centre comprises four coal-fired steam boilers with a total capacity of 30 MWth and a steam reticulation system.

Read more about Co-firing of biomass with coal at the Dunedin Energy Centre
Replacement of a diesel boiler with biomass at Paraparaumu Sewage Plant

Case studies

20 September 2008

The conversion of the Paraparaumu Sewerage Sludge Drying Plant from diesel to wood will offer Kapiti Coast District Council the opportunity to slash its fuel costs at the site from the current level of around $575,000 in 2008, to as low as$115,000 in the first year of operation.

Read more about Replacement of a diesel boiler with biomass at Paraparaumu Sewage Plant
Sunny region makes the most of solar water heating benefits

Case studies

1 May 2010

When you live in a sunny area of the country, solar water heating seems an obvious decision. Check out three Nelson householders who said yes to solar water heating, and find out why it's making a difference for them. May 2010.

Read more about Sunny region makes the most of solar water heating benefits
Paraparaumu Waste Water Treatment Plant saves thousands of dollars by switching from diesel to wood fuel

Case studies

15 June 2011

Owned and operated by Kapiti Coast District Council, the Waste Water Treatment plant in Paraparaumu was spending around $575,000 a year on diesel to power the boiler integral to the sludge drying process.

Converting to a wood fueled boiler resulted in savings of $309,000 per year.

Read the case study below to find out more.

Read more about Paraparaumu Waste Water Treatment Plant saves thousands of dollars by switching from diesel to wood fuel
Coromandel Centennial Pool keeps afloat with new wood chip boiler

Case studies

15 June 2011

Exorbitant yearly electricity bills of $100,000 at the Centennial Pool, run by Thames Coromandel District Council, meant that the facility faced partial closure. The decision to heat the pool using wood fuel instead of electricity has led to a dramatic decrease in energy consumption and running costs, ensuring that the pool stays open and has a bright future.

Estimated savings are $68,000 per year, with an annual reduction in CO2 emissions of approximately 200 tonnes.

Read the case study below to find out more.

Read more about Coromandel Centennial Pool keeps afloat with new wood chip boiler

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