Overview
AEMO is consulting on changes to the Constraint Formulation Guidelines as required under the transitional rule for the National Electricity Amendment (Inter-regional settlements residue arrangements for transmission loops) Rule 2025. These changes to the Constraint Formulation Guidelines are required to integrate Project Energy Connect (PEC) in AEMO’s market systems (NEMDE). The consultation is being conducted under 3.8.10(c) and 11.188.3(a) in accordance with the expedited rules consultation procedure in NER 8.9.3.
AEMO will reflect PEC in NEMDE through the creation of a new interconnector between New South Wales, South Australia and Victoria. AEMO is consulting on the proposed change to the Constraint Formulation Guideline, to include a new sub-section 6.6, ‘Other types of constraint equations’, which describes the general form of the constraint equation in a transmission loop between New South Wales, South Australia and Victoria.
AEMO invites submissions to the Draft Report by 5.00 pm (Melbourne time) on 22 July 2026. Submissions must be sent to: