October 2026

Audience

B2B Business-to-Business. Generic term used to refer to defined business-to-business interactions between participants; excludes interactions between a participant and market systems such as MSATS. and B2M Business-to-Market Retail Market Participants.

Contents

Summary

Explains the detailing the schema updates, procedural changes, and new functionalities for compliance with the National Electricity Rules See Relevant Rules or Procedures (NER National Electricity Rules. The rules made under the National Electricity Law (NEL). They govern the day-to-day operations of the National Electricity Market (NEM) and provide the framework for network regulation.) and related procedures effective from 1 November 2026.

B2B aseXML schema upgrade

Moves from r46 to r48, with new schema fields, enumerations, and transforms for NMI See Relevant Rules or Procedures standing data and participant relations.

New Participant Roles: Introduction of NMISP (NMI Energy Rules TermsService Provider When used in a B2B Procedure, refers to the DNSP, MDP, or MPB.) and PNSP (Premises Network Service Provider) roles for managing SSPs.

Standing data updates

New fields (PremisesNMI, IsPCP) added to support SSP relationships and reporting.

Change requests

Expanded logic and validation for retailer Energy Rules Terms changes, NMI creation/maintenance, metering, datastreams, and role assignments.

 

Automated role and data updates

AEMO Australian Energy Market Operator automatically manages participant roles and standing data updates when change requests affect multiple NMIs.

 

Reporting enhancements

• RM53 AEMO Substituted Zero Settlement Report: Identifies SSP trading intervals replaced with zero settlement value due to PCP de-energisation or non-trading interval meter reads.

• RM29 Standing Data Quality Report: New queries to highlight discrepancies in MSATS or MDM standing data.

• Expanded CATS, ROLR, and MDM Reports: Additional reporting groups, reconciliation logic, and data quality checks for SSPs and PCPs.