Case studies

Processing the energy bills for over 100 sites across New Zealand was a monster job. The sheer flood of paperwork meant there was little opportunity to check or analyse, especially when deadlines for prompt payment discounts were looming.

So, The Warehouse implemented an energy monitoring and targeting (M&T) system.

Southern Lakes Laundries has installed a high-efficiency heat exchange unit for their main industrial washing machine that is delivery savings of up to $45,000 a year.

Southern Lakes Laundries retrofited the heat exchanger into their existing equipment without any disruption to their 364 day a year operation.

The project payback period is approximately 2 years.

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.

Canterbury Laundry Service replaced two steam powered dryers with LPG direct fired dryers and cut its annual energy costs by $46,000.

The move also cut the company's CO2 emissions and boosted its operating capacity.