Transmission Cost Database

This page refers to the Transmission Cost Database used for the 2024 ISP, version 2.0. For version 3.0, for use in the 2026 ISP, visit this page.

AEMO’s Transmission Cost Database is produced and maintained to ensure that up to date transmission network augmentation cost estimates inform the Integrated System Plan. The database has been prepared using specialist cost estimation advice and through consultation with industry stakeholders.