1. Mark Freeman 29th January 2007
UNC Modification Proposal 0090: Revised DN Interruption Arrangements Gas Customer Forum
Mark Freeman
29th January 2007

2. Content Where we are Key Milestones Charging
Economic Test Discussion Note
Key Interactions
Next Steps

3. Where we are Mod Proposal
Mod Panel voted on Mod 0090 on 21st December 06
Vote split 5:5
No recommendation to implement
Ofgem decision expected in March 07
Consultation on Initial Impact Assessment closed on 14th December 06
Final Impact Assessment expected before Ofgem decision on Mod Proposal

4. Key Milestones 2007 Ofgem decision on Mod 0090
Feb
Mar
Apr
May
Jun
July
Aug
Ofgem decision on Mod 0090
DN Incentives Initial Proposals
DN Incentives Final Proposals
Final Impact Assessment
Licence Mods
Publish Interruption Requirements
Sale of Rights
Bid Analysis
Publish Results
Buy NTS Offtake Capacity

5. Charging 2007 Publish Economic Test Note
Feb
Mar
Apr
May
Jun
July
Aug
Publish Economic Test Note
Interruptible Capacity Methodology
Cost recovery of NTS charges (2010)
End of Interruptible Discounts (2010)
Discussion paper
Change to Capacity/Commodity Split (Apr 2008)
Consultation paper

6. Economic Test Note issued on 19th January 2007 In summary we propose:
Post new loads apply as firm and load must pay a contribution (if required)
In transition ( ) all new loads subject to assessment as firm under Economic Test, paying contribution if required, but may be interruptible for transitional period
Existing interruptible loads go firm without paying a contribution

7. Key Interactions Safety cases NEC PGTs NTS exit reform
Decision on Mod 0116 expected in March 07
Systems
Being built by xoserve

8. Next Steps Sharing of Interruption requirements
Interruption Capacity Methodology Statement
To be agreed with Ofgem
Ofgem consultation on incentives (Mid-end Feb)
Ofgem Final Impact Assessment (before March decision)
Ofgem decision on Mod 0090 (Mid-end Mar)

9. Mark Freeman 29th January 2007
UNC Modification Proposal 0090: Revised DN Interruption Arrangements Gas Customer Forum
Mark Freeman
29th January 2007