A Distribution Network Service Provider (DNSP) must establish and maintain appropriate internal procedures to ensure it complies with its obligations under the Ring-Fencing Guideline (Electricity Distribution).

Compliance plans

DNSPs were asked to conduct a review of their compliance in relation to the Guideline and provide a compliance plan to the AER by the end of July 2017. View compliance plans.

Compliance reporting

Subsequent to the expiration of the regulatory year in which the Guideline commences, a DNSP must submit an annual compliance report to the AER within four months of the end of each regulatory year. View compliance reports.

Compliance breaches

A DNSP must notify the AER in writing within five business days of becoming aware of a material breach of its obligations under the Guideline. Compliance breaches will be published by the AER when available.

DNSPs can report material breaches to the AER by emailing using the template cover letter and the breach reporting template below:

Ring-fencing - breach template cover letter for DNSPs - December 2017 ( DOCX 50.25 KB )

Ring-fencing - breach reporting template - December 2017 ( XLSX 110.53 KB )


Ring-fencing enquiries should be directed to