Process Heating

East Harbour Energy was commissioned by Fonterra to carry out an assessment of the feasibility of converting the energy supply at their Tuamarina, Kaikoura, and Culverden milk processing plants from diesel or LFO to wood fuel.

This report investigates the site requirements, the regional wood fuel supply, suitable boiler plant, consenting issues, risks, benefits, and provides a financial assessment of conversion.

This study looks at the feasibility of replacing light fuel oil boilers with wood fuel boilers at ENZAFOODS site in Nelson.  It found that the due to the variable steam demand at the site and the high cost of wood fired boilers per kilowatt, the most cost effective approach to steam supply at the Nelson site would involve utilising a relatively small woodfired boiler as a "Base Load" boiler.

The Waipa sawmill near Rotorua has been generating its own electricity for over 50 years, cutting its costs and returning power to the national grid.

Floor Board Group Ltd (FBG) have installed a pellet manufacturing plant at their site in Dunedin. This monitoring report outlines the plant installed, issues encountered during the installation, and the likely performance of the plant.