2026 Integrated System Plan (ISP)

AEMO’s Integrated System Plan (ISP) is a roadmap for the transition of the National Electricity Market (NEM) power system, with a clear plan for essential infrastructure that will meet future energy needs. The ISP’s optimal development path (ODP) sets out the needed generation, storage and network investments to transition to net zero by 2050 through current policy settings and deliver significant net market benefits for consumers.

AEMO is currently developing the 2026 ISP. The ISP Timetable is available below, followed by links to information about the ISP Consumer Panel and opportunities for engagement.

Consultation on non-network options 

AEMO called for non-network options to meet the identified need for one newly actionable ISP project in the Draft 2026 ISP by 20 March 2026. Further details on the notice of consultation and next steps are provided in the consultation page.

2025 Demand Side Factors Information Guidelines Consultation

AEMO developed the Demand Side Factors Information Guidelines via a two-stage consultation process between August 2025 and December 2025.

Developed in response to a December 2024 Australian Energy Market Commission (AEMC) rule change to enhance consideration of demand side factors in the ISP, the Guidelines set out the information AEMO considers necessary to prepare a demand side factors statement in the ISP.

ISP Timetable

The ISP Timetable provides stakeholders with the key milestones of the 2026 ISP development process, including the establishment of the Consumer Panel and dates for the release of the Inputs, Assumptions and Scenarios Report (IASR), the ISP Methodology, the Draft ISP and the final ISP. The image below provides a detailed timeline, and the 2026 ISP Timetable document can be downloaded at the link below.