Skip to Content

Mining and quarries

>> Search for case studies in different sectors

Winstones - driving down transport energy costs

With a suite of solutions to cut its per-kilometre fuel use, Winstone Aggregates improved its margins without the need for dramatic increases in cartage prices - and it reduced greenhouse gas emissions as well. Travel planning and management as well as improving driving practices played a part.

>>Read the case study [PDF]

winstones case study

Higgins Aggregates – pumping cost control using a water bladder tank system

An energy audit identified the opportunity for improved booster pump control at Higgins Aggregates Te Matai quarry. They installed a bladder tank and pressure switch on their bore booster pump. This delivered annual energy savings of 5,300kWh.

>>Read the case study [PDF]

Higgins aggregates pump