Daa in partnership with ESB has installed 268 solar panels on top of the airport's reservoir system which will provide more than half of the reservoir's annual energy requirements.
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The solar panels are connected directly to the airport's reservoir system which provides 500 million litres of water - the equivalent of 200 Olympic sized swimming pools - to both passenger terminals, as well as servicing all the offices and businesses on the airport campus.
The solar farm is part of an energy agreement between daa and ESB to achieve an overall target of 33% reduction energy consumption at the airport by 2020.
Daa chief executive Dalton Philips said the company was working closely with ESB to identify opportunities to use low carbon technologies to improve energy performance at the airport.
Dublin Airport is already Airport Carbon Accredited, as part of a Europe-wide airport carbon management certification programme that covers more than half of European air passenger traffic.
ESB is leading Ireland's transition to reliable, affordable, low-carbon energy. Its Smart Energy Services business line helps large customers lower their carbon footprint, improving energy efficiency while deliver savings on their energy costs.
The consultancy provides capital funding, energy management services and implementation of energy projects for businesses which are large users of energy.
Dublin Airport supports and facilitates more than 119,200 jobs in the Republic of Ireland and contributes in the region of €8.3 billion to the Irish economy.
Dublin Airport welcomed a record 29.6 million passengers in 2017, a 6% increase over the same period last year. An additional 1.7 million passengers travelled through the airport in 2017.
More than 3.8 million passengers have used Dublin Airport in the first two months of this year, which is a 5% increase on the first two months of last year.
Dublin Airport has flights to 195 destinations in 42 countries operated by more than 50 airlines. ■