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Pump up the cost savings
August 1st 2010

Leixlip Water Treatment Plant is reported to be saving over 500,000 Euros a year on its pumping costs thanks to the installation of ABB variable speed drives.

The Leixlip Water Treatment Works in Co. Kildare is the second largest water treatment facility in Ireland.With a capacity of 175,000m3 a day, it supplies over 30% of the drinking water requirements of the Greater Dublin Region.

The treatment works has six pumps in two sets of three, one used for duty and the other on standby.

Contractor AECOM (formerly Earthtech) and ABB were asked to investigate the pumps' energy use and come up with a solution to reduce it.

Four 710kW ABB cabinet built drives were installed in place of the existing soft starts and now work in conjunction with the two drives previously installed. Each new drive was installed without any disruption to the plant, maintaining full operation at all times.

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