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CVA Presentation to Energy Balancing Committee 25 May 2007 by John Fitzpatrick & Peter Collins. Agenda. Objectives of the claims validation process Organisations Claiming gas Rules for balancing claims Claims validation timetable Disaster recovery. Objectives of CVA.
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CVA Presentation to Energy Balancing Committee 25 May 2007 by John Fitzpatrick & Peter Collins
Agenda • Objectives of the claims validation process • Organisations • Claiming gas • Rules for balancing claims • Claims validation timetable • Disaster recovery
Objectives of CVA • Objectives of CVA • Provide the information necessary for National Grid to allocate NTS (National Transmission System) charges to shippers/traders based on actual gas flows into the NTS
How is gas claimed? • Claim made by shipper/trader • Claim is checked by agent • matched to National Grid information • matched to producer information • matched to other shipper information • Balancing rules applied • Claim is validated • Validated claim notified to National Grid
Daily Entitlement Statements • Producers: (D+3) • Gas flow day • Sub-terminal • Amounts in kWh • (A) Allocated Entitlement • (B) Upstream Acquisitions and Disposals • (C) Disposals to CVSA Principals • (D) Amount retained as CVSA Principal
Daily Activity Logs • Shippers/Traders: (D+5) • Gas flow day • Sub-terminal • Transactions • Transaction type (Base,Purchase,Sale) • Counter party • Amount (kWh) • Total daily claim quantity (B+P-S)
Trade Validation - Rule 1 When the parties to a trade disagree on the amount of gas sold, the sale amount should be used (“seller wins” rule)
Trade Validation - Rule 2 • When a Shipper/Trader has insufficient gas to meet its sales obligations, its sale will be scaled down accordingly
Trade Validation - Rule 3 • Where a Shipper/Trader has its sales scaled down, the ‘seller wins’ rule (Rule 1) shall be applied to the affected parties
Base Quantity Validation - Rule 1 • Gas claimed cannot exceed the delivery quantity at any sub terminal
Base Quantity Validation - Rule 2 • Rights to base quantity gas can be protected if a producer can substantiate your claim
Validation timetable • Delivered quantity (D+1) • Daily Entitlement Statements (D+3) • Daily Activity Logs (D+5) • Validation by Agent (D+5 to D+7) • Validated claims submitted to National Grid via Gemini (D+7) • Interim upload by Agent (1st & 2nd working day of the month)
Revision timetable (daily after D+7) • Revisions to Daily Entitlement Statements • Revisions to Daily Activity Logs • Validation by Agent
Close out timetable • Deadline for revisions to Daily Entitlement Statements (M+10) • Deadline for revisions to Daily Activity Logs (M+12 12:00 pm) • Final revisions (M+13 to M+15) • Final validated claims submitted to National Grid via Gemini (M+15)
Agenda • Objectives of the claims validation process • Organisations • Claiming gas • Rules for balancing claims • Claims validation timetable • Disaster recovery
Disaster Recovery Systems • Remote DR Site with full capability • Back Up Routine • Log shipping to DR site every 5 mins via VPN • Database backed up to tape on a daily basis • Tapes rotated on a 7 day cycle • Back up internet connection at Cambridge for VPN • Servers on UPS • CLAIM2 website hosting at main and DR locations • Phones & Faxes can be diverted to any location • GMSL has 24 hour IT Network support
Disaster Recovery Event • Short term system outage • CVA team access DR servers from main site • CVA team relocate to DR site Recent Outage - Inconsistency between a table in the web admin system and the processing table which subsequently affected the system’s data transfer functionality. • Outage < 24 hours • CLAIM2 software run live for 6 years • CVA process 11 years with no missed deadlines