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There are 5 different businesses that own and operate the distribution network in different parts of Melbourne (AusNet, Jemena, Citipower, Powercor and United Energy).

AusNet owns & maintains the transmission network in Victoria, but it is under the operational control of AEMO.

Dispatch of generation and FCAS instructions is NEM-wide and the responsibility of AEMO.

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Interesting that there are so many different businesses responsible for supplying electricity in Melbourne. This might explain why several people have mentioned having different experiences with the reliability of the grid in Melbourne. In Chicago, Commonwealth Edison is responsible for the entirety of the grid.

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