On 14 December 2022, the AER granted a class waiver under the Electricity Distribution Ring-fencing Guideline (Guideline) to distribution network service providers (DNSPs). The class waiver allows DNSPs to contract with the Australian Energy Market Operator (AEMO) to provide Reliability and Emergency Reserve Trader (RERT) services via voltage management. The waiver is effective from 14 December 2022 to 15 April 2025 (inclusive).