Introduction to 3D Printing for Kids
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Presentation Transcript
Interconnector Under Test Update to TSC Modifications Committee 5thDecember 2012
Background Mod 10 11 raised on 22nd March 2011 Testing Tariffs to apply for Commissioning, Grid Code Compliance or otherwise Meeting 35 Deferred pending a SEMO Impact Assessment Meeting 36 3 Options presented Option 1 was Recommended for Approval RAApproval Letter issued 21stJuly 2011
Mod 10 11 Implementation Options FRR dated 28 June 2011 set out the implementation options: Option 1 - Market require a facility to designate an Interconnector as Under Test in settlement for a range of trading dates. Option 2 - Restriction for submitting bids (definition for a range of testing dates in MPI) Option 3 Inclusion of an Interconnector Unit test profile. This relates to an agreed testing profile between the IA and the SO.
SEMO Assessment Summary Option Description Incremental Cost Total Cost 1 Application of Testing Charges to I/C for a range of dates 59.2k 59.2k 2 Restriction for submitting bids (definition for a range of testing dates in MPI) 205k 264.2k 3 Inclusion of Testing Profile in Instruction Profiler 309.3k 573.5k
Modifications Committee Views The Committee agreed that Option 1 should be pursued due to the timelines for Intraday Release and EWIC deployment. A full solution including Options 1, 2 and 3 was preferable due to uninstructed imbalances arising while under test and restricted bidding. In the FRR, the SOs stated that a Modification to Appendix E would be required for Option 3 to be implemented and the SOs would consider raising this Modification in due course.
Mod 10 11 Implementation Mod 10 11 (Option 1) implementation date in the CMS was November 2012 release Mod 33 11 allowed SEMO to perform workaround to manually apply the Testing Tariffs as per Option 1 from the date of EWIC Commissioning (i.e. July 2012) The T&SC was updated to allow Interconnectors Under Test with an effective date for July 2012.
Issues with Option 1 Not appropriate for Operational Interconnectors i.e. Not suitable for Interconnector which goes on/off test No ability to block bids and offers Interconnector participants can submit bids/offers even if Interconnector is under test No provision available for test profiles RA approval required to set DOG and PUG to zero as Interconnector would be unfairly penalised Cost of Options 2 and 3 to implement New vendor quote received for revised design for Options 2 and 3 is now 307k compared with 504k Investigated alternate approach
TSOs Recommendation Set ATC to zero when an Interconnector is testing IUN/MIUNs will be zero for Interconnector Users and their bids will not be taken into consideration DOG and PUG will need to be set to zero on an annual basis i.e. TSOs will recommend through annual consultation process for RA approval Can be implemented immediately No further modification to the T&SC is therefore recommended in respect of Interconnector Under Test
