H1 2018 Highlights

19 Integrated Single Electricity Market ⚫ EU Internal Energy Market compliance to align energy trading more closely with EU - went "live" on 1st October 2018 Capacity payments remain but are now secured by way of competitive auction 91% of G&T plant 3,295 MW secured contracts Market average price €41.80/kW/pa T-1 auction in Dec 2018 - positive initial results • Ancillary services market revenue cap increasing from €75m in 2016 to a cap of €235m by 2020 Market operating effectively with +90% of demand being traded through Day Ahead Market with prices similar to old SEM market I-SEM Energy Payments Centralised market with day ahead, intra-day and balancing markets Regulatory Supports Capacity Payments Competitive Auction Ancillary Services ES3 Energy for generations esb.ie/ir

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