Data Logger/ Daily Meter Reading Data Logger/ Daily Meter Reading ProcessesProcesses

Data Logger/ Daily Meter Reading Data Logger/ Daily Meter Reading ProcessesProcesses

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

National Grid – Network Operations•Deliver DM Firm / Interruptible consumption data, separately, every 4 hours, within 1 hour after collection•Deliver 7am DM Firm/ Interruptible consumption data, separately at 8am•Deliver DM Firm/ Interruptible consumption data, separately, for the previous 24 hours by 10am each day

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

Daily Read file - xoserveDeliver 6am readings by 8:30am for onward delivery to shippers by 11am (Liable Process)Deliver daily sweep up files of late readings by 4.30pm

Unique Site File - XoserveDeliver 6am readings for Unique Sites by 10am

Unique Site Readings to Gas ShippersDeliver 6am reading, by fax, to gas shippers prior to 11am (Liable Process)

Bulletin Board ServiceProvider 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