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Increase medium commercial connection

Use this form if you want to upgrade the electricity supply to a maximum demand greater than 250A/180kva but no greater than 1300A/1000kVA.

How much will it cost?

We'll provide a quote

How long will it take?

Up to 10 business days

to respond to your application.

After our technical assessment

we’ll contact you to discuss your requirements and work with you on an expected delivery date in line with the complexity of your project.

What to include with your application

  • A CAD site plan

    Your CAD plan helps us better understand your work site and location of assets. We extract data from your plan to assist us with your design.

  • Site photos

    Help us understand your current connection arrangements and more easily identify potential site-specific issues. Photos will need to include:

    • The extent of the worksite
    • Any obstructions in the area
  • Single line diagram

    A single line diagram provides us with the technical information to design a connection to meet your requirements.

  • Statement of compliance to AS61000.3.6

    Your accredited electrical contractor or consultant must submit a statement verifying that the installation complies with AS/NZS 61000.3.11, SA-SNZ TR IEC 61000.3.14 and Western Power’s Technical Rules.

  • Disturbing loads

    The information allows us to check the impact of your loads on the network. You must comply with Power Quality limits as per AS/NZS 61000.3.11, SA-SNZ TR IEC 61000.3.14 and Western Power Technical Rules.

  • Load breakdown

    Your load breakdown allows us to assess the impact your project will have on the network. It also allows us to apply the appropriate charging policy.

Application process

  • You’ve applied

    We’ll contact you within 10 business days to discuss your application.

  • You’ll receive a firm scope

    After our technical assessment we’ll confirm the scope of works with you.

  • You’ll receive design fee invoice

    We design the project to your needs.

  • You’ll receive and access quote

    After the acceptance and payment is received, we’ll schedule the works for delivery.

  • Let us know how we went

    Your feedback is important to help ensure we’re meeting your needs and expectations.

Standards, manuals and guidelines

Technical documents that provide the necessary information to enable users to comply with statutory requirements and obligations.

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Ready to apply?

I’ve got everything I need ready.

Apply now

Estimated time to complete: 10 minutes

Need help before submitting?

If you’re not sure what you need, get advice from our team.

Talk to us

FAQs

You will be charged a design fee upon lodging your application.

Once your project proceeds to construction phase the design fee, excluding GST, is deducted from the price on your Access Offer and Acceptance.