Data Logger Daily Meter Reading Processes New Daily

Data Logger/ Daily Meter Reading Processes

New Daily Metered Site § DM Service Provider receives a request from Gas Shipper for installation of daily meter reading equipment § Quotation provided § On quotation acceptance § New MPR – Meter Details manually added using data from Connection/Disconnection Store § Datalogger information added to UK-Link to allow DM nomination to be made in Gemini § Datalogger details updated when installation is completed

Daily Read Process § Collect a reading for the start/end of each gas day (06: 00) § Carry out initial tolerance validation on readings received § Deliver reading to UK-Link (xoserve) § UK-Link validates and delivers DM readings to Shippers before 11. 00 a. m. each day via the IX § Where readings are not collected estimates are calculated within S&M based on D -7 consumption § Sweep up files are provided for readings collected after the deadline and loaded into UK-Link § DM readings/consumptions are collected every 4 hours during the gas day

Daily Read Delivery Service Daily Read file - xoserve Deliver 6 am readings by 8: 30 am for onward delivery to shippers by 11 am (Liable Process) Deliver daily sweep up files of late readings by 4. 30 pm Unique Site File - Xoserve Deliver 6 am readings for Unique Sites by 10 am Demand Forecasting - Xoserve • Deliver DM, Unique and NDM firm readings, validated by specified routines on D+14 following collection • Biannually increase delivery to meet issued schedule National Grid – Network Operations • Deliver DM Firm / Interruptible consumption data, separately, every 4 hours, within 1 hour after collection • Deliver 7 am DM Firm/ Interruptible consumption data, separately at 8 am • Deliver DM Firm/ Interruptible consumption data, separately, for the previous 24 hours by 10 am each day Unique Site Readings to Gas Shippers Deliver 6 am reading, by fax, to gas shippers prior to 11 am (Liable Process) Bulletin Board Service Provider Gas Shippers with a facility to access hourly data at four hourly intervals of each gas day

DM Annual Check Read § Arrange a DM Check Read/Site Visit every 12 months § Validates the accuracy of the datalogger § Input the Check Read/Resync site visit on UK-Link § Instigates DM Reconciliation § Each resync investigated to account for drift. Drift then manually input onto UK-Link § UK-Link pro-rates drift across reconciliation period

Daily Read Errors & Consumption Adjustments § Where the Daily Read Equipment is deemed not to be functioning correctly; up to D+5 the Shipper can request that the consumption is adjusted § Faulty metering equipments – Consumption Adjustments are agreed between Shippers and DM Service Provider § DM Service Provider pass the adjustment details to xoserve § DM consumption issues are also identified by National Grid, Network Operations Team; who refer these to the shipper for investigation

Daily Read Charges § Daily Meter Reading Charge § Charge for the collection/delivery of Daily Meter Readings to gas shippers § Datalogger Rental Charge § Rental charge covering the maintenance of the datalogger § Daily charges specified in the DM Service Providers Charging Statements § Invoice created monthly of relevant charges for each shipper by Network § Passed to xoserve for issue to Gas Shippers

DM Liabilities § Deliver 97. 5% of readings to Gas Shippers on a monthly basis. Readings must be delivered by 11. 00 a. m. on D+1 of each Gas day during the month § Where daily readings are not delivered for 4 consecutive days, on the following day and every subsequent day liabilities are paid § DM Service Provider monitor and calculate the DM read performance for these standards and provide these to xoserve on a monthly basis