MP0131: Meter Error Notifications Simon Trivella – July 11th 2007

Purpose Key amendments to OAD Introduction of “Meter Error Notification and Reporting Procedure” Introduction of “User Dispute”

WWU view – potential process Process under control of OC/OAW and referenced in OAD Central published register of LDZ Offtake meter faults that will impact on RbD (regardless of size) Regular monthly updates to status and information until RbD reconciliation occurs

Changes to OAD Introduction of “Meter Error Notification and Reporting Procedure” Introduction of notification requirement Introduction of “User Dispute” process prior to error being reconciled

Meter Error Notification and Reporting Procedure Procedure referenced in OAD Procedure subject to review and revision by Offtake Committee Central published register of LDZ Offtake meter faults that will impact on RbD (regardless of size) Monthly updates to status and information until RbD reconciliation occurs, occurring 10 days before Offtake Committee meeting Users can request further information via Offtake Committee at 5 days notice Error Assessment Report is the basis for the Energy Calculations

Changes to OAD Introduction of “Meter Error Notification and Reporting Procedure” Procedure subject to review and revision by Offtake Committee Introduction of notification requirement Introduction of “User Dispute” process prior to error being reconciled

Error Notification Initial Monthly Updates Volume of Gas (mcm) Gas Transporter LDZ Offtake Name Offtake Capacity Description Date Error Detected Detection Reason Error Dates Estimated Significance Estimation of Magnitude Impact (Credit/Debit) Status Monthly Updates Volume of Gas (mcm) Anticiapted MER Date RbD Invoice Date Total Energy (Gwh)

Changes to OAD Introduction of “Meter Error Notification and Reporting Procedure” Procedure subject to review and revision by Offtake Committee Introduction of notification requirement Introduction of “User Dispute” process prior to error being reconciled

Way Forward Feedback welcomed Develop formal OAD Mod Proposal Proposal to August 2007 OAW / OC

MP0131: Meter Error Notifications Liz Spierling – July 4th 2007