Case studies

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.

This report details the commissioning and monitoring of a wood chip blower system used by HA Foote Haulage supplying wood chips to Tahuna Intermediate School in Dunedin.
Wood chips are blown into a fuel bunker using a wood chip blower system taking 30 minutes to deliver 9 m3 of wood chips from the truck.

Five New Zealand schools have opted to heat their pools using solar energy resulting in an extended swimming season and warmer pool water. Find out about Coroglen School (Thames-Coromandel); Glamorgan School (Auckland); Matawai School (East Cape); Sefton School (Canterbury); and Whau Valley School (Northland) and their choice to warm their pools with solar heating.

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.