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Pump Energy Efficiency Upgrade in the Fethard Water Supply Scheme

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Energy in Local Authorities,

The Fethard Water Supply Scheme Energy Efficiency Upgrade was completed by South Tipperary County Council in response to recommendations from series of energy audits conducted by the Tipperary Energy Agency. The water scheme serves approximately 7500 people and consists of three water sources, three reservoirs and five pump sets which supply the towns of Fethard, Killenaule, Drangan and Mullinahone.

The energy audits identified the following key areas for the upgrade

  • Retrofit existing inefficient pumps and motors with high efficiency pumps
  • Install a smart pump/reservoir control philosophy and SCADA system throughout the network
  • Reduce operational pressures in the pipe network to reduce leakage issues and associated maintenance costs

The upgrade was completed in June of 2011. The project was part funded (65%) by grant aid from both the Department of Environment and the SEAI. Since the project was implemented annual energy consumption for the scheme was reduced by 27% saving 314,193 kWh and €50,381 per annum. Based on the capital invested directly by South Tipperary County Council the project has a payback of 2.3 years.