- How will abstraction impact on Lough Derg water levels?
The ESB at Ardnacrusha regulate the water levels within a permitted band of 460mm. The proposed abstraction will take place at the upper end of the lough and will be deducted from what the ESB uses to generate electricity.
- What happens in extended dry weather periods?
To overcome any such supply difficulties the proposal has incorporated interim storage which is sized to enable abstraction to cease for a period equivalent to the driest period on record since Ardnacrusha was commissioned in 1929.
- Why do we not just fix the leaks and avoid this new source development?
While unaccounted for water losses ( leaks ) nationally are approximately 50% it should be acknowledged that Dublin City Council, following extensive investment, have reduced this to 29% and the plan proposes to reduce this further to the economic level of 20%. Despite the implementation of demand side management eg. domestic metering/charging and leakage reduction there is still the need for a new source – though slightly later than would have otherwise have been perceived.
- What will this new source cost to construct?
The estimated cost for construction is approx €500m and when added to the cost associated with meter installation and network rehabilitation (leakage reduction) in the proposed supply region there will be little if any change from €1b.
- Why is Bord na Móna getting into water?
While Bord na Móna was mainly known as a peat company it has over the past 20 years diversified to where less than 50% of its revenue is now peat based.
The development of patented solutions for wastewater and odour control treatment supported by inhouse internationally accredited laboratories has enabled the global deployment of these technologies.The treatment of water to high standards for boilers at the briquetting plants as well as at Edenderry Power with the associated technologies involved provides the competencies to diversify into the water sector.
The experience of wetland management from initial drainage to production to afteruse – be it grassland, forestry, leisure/ tourism facilities, engineered landfill, windfarm construction – also provides a unique capability for the development of the Garryhinch Eco-park.
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