Post on 27-Dec-2015
Copyright National Grid Metering 11-01-08
NGM Daily Meter Reads
UNC RG 0175
Copyright National Grid Metering 11-01-08
Overview of NGM Datalogger Read Process Flow
Provide remote access to Gas
Shippers
Calculate and produce DM
invoices
Deliver Files to
CustomersCommunication
Cloud
XO
SE
RV
E
Meter & Logger Collection
Modems
Data Processing Server
IX35 HR
Copyright National Grid Metering 11-01-08
Metscan / Metretek Main Activities•Collect call data from units•Schedule units for next call slot•Store interval and time of call data•Calculate and store exact 6am reading•Create file’s at scheduled times
DLCS Activity •Receive files and validate for format•Carry out validation routines (consumption, Convertor tolerance etc)•Produce validation warnings and failures for investigation•Create files, in appropriate formats and deliver to shedule•Collect and record changes of shipper, DM Inter/ Firm and NDM status to apply to file delivery•Produce monthly invoice for DM Asset rental and DM read provision charges
Overview of NGM Datalogger Read Collection Process
Collect Data fromDatalogger Units
Validate, store &Deliver to customers
Provide remote access to Gas Shippers
Remote Access System•Provide shipper access to hourly interval consumptions to gas shippers.•Update every 4 hours with hourly data
Calculate and produce DM invoices
DM Invoicing•Produce monthly invoice for DM Asset rental and DM read provision charges
Deliver Files to Customers
Copyright National Grid Metering 11-01-08
Data Delivery Frequency Delivery Point Overview of Content
1. DM Daily Read File Daily by 8:15am Xoserve Start and End of Gas day readings for DM sites
2. Unique Site Daily Reading File
Daily by 11am Shippers Start and End of Gas day readings for Unique Sites
3. DM Bulletin Board Every 4 hours Remote access system. Hourly consumption data for shipper access.
4. NDM Daily Reading file Daily delivered at D+14 Xoserve Validated Gas day readings and consumption data for DM’s and NDM’s Dataloggers.
5. Hourly Interruptible Data Every 4 hours from 6am National Grid Gas - Operations Hourly consumption data.
6. Hourly DM Firm Data Every 4 hours from 6am National Grid Gas - Operations Hourly consumption data.
7. 7am Interruptible hourly data Daily National Grid Gas - Operations Interruptible hourly Consumption data from 6 – 7am.
8. 7am DM Firm hourly data Daily National Grid Gas - Operations DM Firm hourly Consumption data from 6 – 7am.
9. Interruptible Daily File Daily National Grid Gas - Operations Hourly consumption data from the previous 24 hours.
10. DM Firm Daily File Daily National Grid Gas - Operations Hourly consumption data from the previous 24 hours.
11. Unique Site Daily Reading File
Daily Xoserve Start and End of Gas day readings for Unique Sites.
Daily Read Delivery Requirements
Copyright National Grid Metering 11-01-08
Process Flows
Read Delivery
Liabilities
Asset Changes (MEX,DL Installs, DL Removals)
Faults & Maintenance
DM Queries From Shippers
Queries From Ops & Trading
All Invoicing
Information to IDN’s
Copyright National Grid Metering 11-01-08
Read Delivery
Process Flows 16.0
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Liabilities
Process Flows 2.0
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Asset Changes
Process Flows 1.0, 5.0, 5.1, 6.0, 7.0
Copyright National Grid Metering 11-01-08
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Faults & Maintenance
Process Flows 14.0, 15.0, 17.0
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DM Queries From Shippers
Process Flows 13.0
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Queries From Ops & Trading
Process Flows 18.0, 19.0
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All Invoicing
Process Flows 8.0, 9.0, 12.0, 11.0
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Information To IDN’s
Process Flows 20.0
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Copyright National Grid Metering 11-01-08