Page 4590 - Week 12 - Thursday, 26 October 2017

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(Question No 637)

Mr Coe asked the Treasurer, upon notice, on 15 September 2017:

(1) Further to Question on Notice 326, has the ACT Government sought updated information from ActewAGL on the progress of work to reduce the possibility of further unplanned interruptions to Gungahlin’s power supply.

(2) Has ActewAGL completed the upgrade of its protection system; if not, when will this upgrade be completed.

(3) When is the feeder extension work to manage future growth in the Gungahlin region expected to commence.

(4) Has a decision been made on additional feeder augmentation to further secure supply in the Gungahlin region.

(5) Has ActewAGL completed the review of its maintenance program; if so, what changes have been made to ensure any power outages are limited to the shortest possible time period.

Mr Barr: The following answers to the member’s questions have been sought from ActewAGL, which is managed and oversighted independently of the ACT Government:

(1) A new 11 kV feeder is at Development Application stage and is scheduled to be installed and commissioned by 31 March 2018. This 11 kV cable feeder will run from Gold Creek Zone Substation to the Gungahlin Town centre. This feeder will offload and relieve heavily loaded feeders in the area and will reduce the increasing demand on other feeder cables and improve the security and reliability of supply to the Gungahlin area.

(2) To date ActewAGL has completed six 11 kV feeder protection replacements at Gold Creek Zone Substation. There are a further seven replacements programmed for delivery in the 2017-18 program. These have been delayed for implementation until spring 2017 when there is low demand, outside the peak winter demand, in order to minimise the possibility of outages. The remaining five 11 kV feeder protection replacements are planned for delivery in the 2018-19 program. These works will be carried out without interruption of supply to customers.

(3) An additional two 11 kV feeder cables to the Gungahlin Town Centre area are currently at planning stage. Subject to load growth scenarios meeting forecast these feeders are proposed to be installed in 2018-19. These feeders will supply capacity to proposed new loads in the Gungahlin area, including the Infinity Apartments complex, Capital Metro traction power station, Gungahlin cinema, Eastlake Football Club commercial development, new medical centre and commercial developments in the town centre, and Throsby residential estate.

(4) Longer term capacity requirements to the whole northern Canberra area are being developed for inclusion in the ActewAGL Distribution 2019-24 Regulatory Revenue Reset Submission to the Australian Energy Regulator. These plans include potential

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