Case studies

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.

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.

Downer's wide-ranging sustainability programme is delivering benefits straight to the company's bottom line. By looking at every aspect of energy use, Downer is enjoying substantial savings after only two years of the programme, and is enhancing its reputation in the process.

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.