Mining and quarries
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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. |
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Higgins Aggregates – pumping cost control using a water bladder tank systemAn 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. |
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