1. WWU Interruption Update
Simon Trivella, Commercial Manager
Gas Customer Forum
1ST December 2008

2. Summary 13 Interruption Offers 8 Supply Points
7 took part in Annual Invitation
No Offers accepted
Insufficient Capacity within Location Zone
Uneconomical Offers

5. 2008 Interruption Invitations
Accepted Offers (figures for Year 1 only (2011/12))
Annual Invitation June 2008
Supply Points
Interruptible Capacity (kWh/Day)
Wales North (WN)
Wales South (WS) 1
142,243
South West (SW) 3
1,897,052
Total 4
2,039,295
Ad-hoc Invitation October 2008*
WWU Total

6. Remaining Capacity Requirements (2011/12)*
Capacity Requirement (kWh/Day)
Wales North (WN)
110,000
Wales South (WS)
690,000
South West (SW)
500,000
Total
1,300,000
*Capacity Requirement for 2012/13 is 12,410,000 kWh/Day

7. Next Steps Reinforcement where required June 2008 Annual Invitation
All lead times within 3 years
June 2008 Annual Invitation
Updated requirements
Invitation to cover 2012/13 to 2016/17
Ad-hoc Invitation (as necessary)
Only in exceptional circumstances