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Modification 437 – Blank MAM Identities Distribution Workgroup December 2012

Modification 437 – Blank MAM Identities Distribution Workgroup December 2012. Background. MAM Identity held currently in UK Link Systems MAM Id is currently deleted following Change of Shipper event Suppliers are obliged to provide the MAM Identity once appointed

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Modification 437 – Blank MAM Identities Distribution Workgroup December 2012

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  1. Modification 437 – Blank MAM IdentitiesDistribution WorkgroupDecember 2012

  2. Background • MAM Identity held currently in UK Link Systems • MAM Id is currently deleted following Change of Shipper event • Suppliers are obliged to provide the MAM Identity once appointed • UNC Modification 437 proposes this obligation is not changed – i.e. Suppliers are still obliged to flow this information • Eliminates change from Supplier / Shipper systems • UNC Modification 437 is a Class 3 UK Link Modification • i.e. Users pay for changes to Transporter systems • UNC Section U specifies that in such circumstances a UNC Modification is required

  3. As Is Scenario – Failure to Provide MAM A B X X A C Shipper UK Link B C MAM X D-7 D-7 MAM = X MAM = ? Reality Check… Actual MAM

  4. As Is Scenario – Failure to Provide MAM - Consequences A C Shipper UK Link B X C MAM X D-7 MAM = ? Reality Check… Actual MAM Shipper C required to send multiple speculative MAM enquiries… MAM =X MAM ? MAM = ? MAM = ? MAM = ? MAM = ?

  5. Proposed Change • Do not delete MAM Id at Change of Shipper event

  6. To Be Scenario – Failure to Provide MAM – Consequences – MAM X Contiguous X B X B A A C C Shipper Shipper UK Link UK Link C C MAM MAM D-7 D-7 Shipper C approaches MAM X as incumbent MAM MAM = X MAM = ? MAM Appt =X Reality Check… Reality Check… Actual MAM Actual MAM

  7. To Be Scenario – Failure to Provide MAM – Consequences – MAM X Not Contiguous X Y B B A A C C Shipper Shipper UK Link UK Link C C MAM MAM MAM X informs C of De-appoint by B (+ identity of incoming MAM Y) D-7 D-7 Shipper C approaches MAM X as incumbent MAM MAM = X MAM = ? MAM Appt =X MAM Appt =Y Reality Check… Reality Check… Actual MAM Actual MAM X

  8. Current Reporting • Reporting on population of Blank MAM Id • Circa 300k population ‘Blank’ of 21M Meter Points • Additional reporting population where not updated since Change of Shipper event? • Enables monitoring and ensures Shippers / Suppliers fulfil obligation to notify at MAM Appointment • Retains visibility of ‘problem’ Meter Points • Not currently in the ROM cost

  9. Discussion Points • Solution options • Other scenarios to explore? • MAM change trigger scenarios • User Pays cost split • Proposed by portfolio – alternative views? • Other views / issues to consider? • Workgroup report?

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