The proposed access arrangement for Western Power's electricity network for the period 2017-2022 was lodged on 2 October 2017.

Public Consultation was undertaken on Western Power’s proposal and an ERA issues paper which closed on 11 December 2017. Public submissions received are published below.

The ERA’s Draft Decision on Western Power’s proposal was published on 2 May 2018.

Western Power’s response to the ERA’s Draft Decision and public submissions received are published below.

On 20 September 2018 the ERA published its final decision.

In response to the final decision, on 16 November 2018 Western Power submitted an amended proposed access arrangement and supporting documents which are published below.

On 2 January 2019 the ERA published its further final decision, which did not approve Western Power's amended proposed access arrangement.

On 28 February 2019 the ERA published its access arrangement decision and associated access arrangement documents.

The ERA’s revised access arrangement and price list will take effect from 1 July 2019.