Temporary transmission network isolation

User this service if you're doing work that requires part of the Western Power electricity transmission network (66kV or higher) to be isolated.

How long will it take?

• 2 weeks to provide you with a quote
• 16 weeks* to isolate once payment is received

*We require a minimum of 16 weeks to plan a transmission network isolation (de-energising a part of the transmission network). If you are planning works within the Danger Zone and it is possible a network isolation may be required it is important to consider this timeframe.

What will I need to complete this application?

• Full design plans of proposed works
• Works methodology on how you propose to complete the works

How much will it cost?

Initial $250 application fee + estimated isolation fee (quote).

What if I change my mind or want to cancel my application?

The application can be cancelled at anytime. Cancelled applications will be reconciled on an actual cost recovery basis.

Fees and charges

Costs will be reconciled on completion of the works; any additional costs will be invoiced and any underspend will be refunded.