Email
AERringfencing@aer.gov.au

Contact for

AER publishes final amended Ring-fencing Guideline

Communications
Issue date
Distribution
Transmission

Ring-fencing guideline (electricity distribution) 2017

This Guideline has been superseded.
Guidelines
Historical
Effective date
Date initiated
Distribution
Transmission
ACT
NSW
QLD
SA
TAS
VIC

AER seeks submissions on ring-fencing waiver applications

Communications
Issue date
Distribution

AER invites submissions on its Draft Amended Ring-fencing Guideline

Communications
Issue date
Distribution

AER decides to grant SA Power Networks a conditional ring fencing waiver

Communications
Issue date
Distribution

SA Power Networks - Ring-fencing waiver - April 2017

Ring-fencing
Historical
Effective date
Commencement date
Distribution
SA

AER invites submissions on CitiPower and Powercor ring-fencing waiver application

Communications
Issue date
Distribution

AER invites submissions on SA Power Networks ring-fencing waiver application

Communications
Issue date
Distribution

AusNet Services (formerly SPI PowerNet) - Ring fencing waiver 2005 - request for revocation

Ring-fencing
Revoked
Effective date
Commencement date
Transmission
VIC

Ergon Energy - Ring-fencing waiver (streamlined process) – March 2024

On 27 March 2024 the AER granted a waiver for Ergon Energy to trial battery energy storage unit, with conditions.
Ring-fencing
Current
Commencement date
Distribution
QLD

Endeavour Energy Ring-fencing waiver - training services

Endeavour Energy requested a ring-fencing waiver in order to provide training services to Evo Energy through their RTO facilities.
Ring-fencing
Current
Commencement date
Distribution
NSW

Endeavour – Ring-fencing waiver (streamlined process) – March 2024

On 25 March 2024 the AER granted a waiver for Endeavour for seven community batteries, with conditions.
Ring-fencing
Current
Commencement date
Distribution
NSW

Energex - Ring-fencing waiver - six battery energy storage systems - November 2025

Energex is seeking a waiver to install, operate and lease six battery energy storage systems.
Ring-fencing
Open
Commencement date
Distribution
QLD

Energex - Ring-fencing waiver- six battery energy storage systems - May 2025

Energex is seeking a waiver to install, operate and lease six battery energy storage systems.
Ring-fencing
Open
Commencement date
Distribution
QLD

Energex – Ring-fencing waiver (streamlined process) – December 2023

On 4 December 2023 the AER granted a waiver for Energex, with conditions.
Ring-fencing
Current
Commencement date
Distribution
QLD

Ergon Energy - Ring-fencing waiver - 24 battery energy storage systems - November 2025

Ergon Energy is seeking a waiver to install, operate and lease 24 battery energy storage systems.
Ring-fencing
Open
Commencement date
Distribution
QLD

Ergon Energy - Ring-fencing waiver- six battery energy storage systems - May 2025

Ergon Energy is seeking a waiver to install, operate and lease six battery energy storage systems.
Ring-fencing
Open
Commencement date
Distribution
QLD

Ergon Energy Ring-fencing Waiver - Field Services for Powerlink - October 2024

Ergon Energy Network is requesting a ring-fencing waiver in order to provide field services to Powerlink
Ring-fencing
Current
Commencement date
Distribution
QLD

Ergon Energy Ring-fencing Waiver - Hayman Island - May 2025

Ergon Energy requested a ring-fencing waiver in order to continue to provide a connection to Hayman Island.
Ring-fencing
Current
Commencement date
Distribution
QLD

Ergon Energy – Ring-fencing waiver (streamlined process) – December 2023

On 4 December 2023 the AER granted a waiver for Ergon Energy, with conditions.
Ring-fencing
Current
Commencement date
Distribution
QLD