The Australian Energy Market Operator’s (AEMO) July 2023 Transmission Cost Report, which was released alongside updates to the 2022 Integrated System Plan (ISP), stated that estimated costs for some major transmission projects had increased by up to 100% compared with 2022 ISP estimates.
AEMO also said that “we recognise that higher costs for network development would ultimately affect consumer bills”.
AEMO attributed the cost increases to:
