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Become a AMI or MAM

In accordance with Schedules 32 and 40 of the Supply Point Administration Agreement (SPAA), SPAA is responsible for the administration and governance of the Meter Asset Manager Code of Practice (MAMCoP) and the Approved Meter Installer Code of Practice (AMICoP). SPAA also administer the MAM and AMI Accreditation Schemes, which approve companies as MAMs and AMIs for the purposes of undertaking metering activities. As of 01 January 2021, the MAMCoP and AMICoP are replaced by the single consolidated ‘Metering Code of Practice (MCoP)’.

The latest Schedule of Charges for the MAM and AMI Audits can be found with the Guidance Documents provided below.

For further information on the approval process or support with any other matter, please contact

Below are useful guidance documents, including  tools relating to the new MCoP which is effective as of 01 January 2021. Current MAMs and AMIs are urged to review the changes arising from the new MCoP to ensure that any new requirements or audit questions are accounted for in you internal policies and procedures. Several useful tools are provided below to assist in this, including a digital filterable version of MCoP and a mapping document showing detailing the changes between the previous separate codes and the new consolidated MCoP. Should you require any assistance or have any questions, please do not hesitate to contact

Guidance Documents

General guidance and information documents for MAMs and AMIs, including guidance on becoming a MAM or AMI and the Schedule of Charges can be found below:

Name File Size
SPAA Metering – How to Become a AMI or MAM229.60 KB
Attachment 1 – Proforma for Changing AMI & MAM Name153.31 KB
01 – AMI MAM Audit Application Form155.23 KB
02 – AMI Desktop Audit Questionnaire (2021)117.11 KB
02 – MAM Desktop Audit Questionnaire (2021)138.36 KB
MCoP Charging Principles and Schedule of Charges 2021145.58 KB

Metering Code of Practice

Documents and tools relating to the new Metering Code of Practice (MCoP), including the final approved copy of the MCoP and a digital filterable version can be found below.

A webinar providing useful information on the new MCoP was held on 15 December 2020. Slides from the session are published below and a recording of the webinar can be found here: MCoP Webinar 15 December 2020

Should you have any questions, or require support with the new MCoP, please contact

Name File Size
Code of Practice for Meter Asset Managers and Approved Meter Installers (MCoP) v1.0 (effective 01 January 2021)1.12 MB
MCoP Mapping Document – Audit Requirement Review v1.1498.96 KB
MCoP Webinar Slides – 15 December 20203.66 MB
MCoP v1.0 (digital filterable version)