SECMP0015 GPF timestamp for reading instantaneous Gas values

Proposer Tim Newton (Tim Larcher)
Lead Analyst Alison Beard
Date raised 31/05/2016
StagePending Implementation
Implementation date June 2022 SEC Release
Latest update On 31 March 2021 the Authority approved this modification. It will now be implemented in the June 2022 SEC Release.

What is the issue?

Instantaneous Gas Smart Metering Equipment (GSME) register values can be read from the Gas Proxy Function (GPF). These will not normally be in-line with the readings on the GSME, since the GSME only provides intermittent updates to the GPF, typically once every 30 minutes. Without a timestamp to know when the GSME last updated the GPF, the Supplier cannot know how up to date the information is.

What is the solution?

The Proposed Solution is to allow Parties and devices reading the instantaneous values from the GPF to know the time on the GSME's clock when the value was provided. This will also allow In Home Displays (IHDs) and Pre-Payment Interface Devices (PPMIDs) to determine and display the time of the last updates.

Who is impacted?

Small Suppliers
Large Suppliers
Gas Network Parties
Other SEC Parties
DCC

What SEC documents are affected?

SEC Schedule 8 ‘Great Britain Companion Specification’
SEC Schedule 9 ‘Smart Metering Equipment Technical Specification 2’
SEC Schedule 10 ‘Communications Hub Technical Specifications’
SEC Schedule 11 ‘Technical Specification Applicability Tables’
SEC Appendix AD 'DCC User Interface Specification'
SEC Appendix AF ‘Message Mapping Catalogue’

Modification documents

SECMP0015 Authority decision
31/03/2021
SECMP0015 Conclusions Report
24/02/2021
SECMP0015 second Refinement Consultation responses and comments
19/02/2021
SECMP0015 Legal Text v1.1
19/02/2021
SECMP0015 Modification Report v2.2 (Final)
19/02/2021
SECMP0015 second Refinement Consultation
16/11/2020
SECMP0015 October 2020 Working Group meeting summary
21/10/2020
SECMP0015 Authority Send Back Decision Letter
21/09/2020
SECMP0015 Conclusions Report
24/07/2020
SECMP0015 Modification Report Consultation responses
09/06/2020
SECMP0015 Modification Report Consultation
18/05/2020
SECMP0015 Working Group Consultation Responses
25/04/2019
SECMP0015 Working Group Consultation
01/04/2019
SECMP0015_Working Group_03_2404 - Meeting Headlines
15/05/2017
SECMP0015_DCC_ PA
23/03/2017
SECMP0015_DCC_ PA
23/03/2017
SECMP0015 - Working Group Meeting 2 - Final Minutes
16/02/2017
SECMP0015 - Working Group Meeting 1 - Final Minutes
16/02/2017
SECMP0015 - GPF timestamp - Solution Design Document
03/10/2016
SECMP0015 - Business Requirements
01/08/2016
SECMP0015 Initial Modification Report
17/06/2016
SECMP0015 - Modification Proposal Form
01/06/2016
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