1. DSU Structure Patrick Liddy Activation Energy Ltd patrick.liddy@activationenergy.ie 01 442 8801 087 960 1725

2. Proposed DSU Model

4. DS 1DS 2 DS ADS BDS n

5. DS 1DS 2 DS ADS BDS n DSU

6. DS 1DS 2 DS ADS BDS n Payment DSU Payment Netting Generator Energy Payment =ZERO

7. Issues for Suppliers Likely reduction in turnover when dispatched – Same as WPDRS, Powersave, STAR Likely at times of high SMP – Reduction of risk Propose to inform supplier at outset of contract

8. Thank you Trading Site Supplier Unit