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Log in or sign up to My Account and you can easily update your details online.

If you'd prefer to speak with someone, call us on 1800 737 036, 8 am – 5 pm weekdays. 

Why use My Account?

Nominate others to manage your account

Nominate others to manage your account

You can give permission for other people to manage your Horizon Power account by filling out a consent form. They’ll be able to make phone calls on your behalf and gain access to your account online.  

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Monitor how and when your business uses energy, see an estimate of what your next bill is likely to be and stay informed of any power outages

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Horizon Power acknowledges the Traditional Custodians throughout Western Australia and their continuing connection to the land, waters and community. We pay our respects to all members of the Aboriginal communities and their cultures; and to Elders past, present and emerging.

Aboriginal and Torres Strait Islander people are advised that this website may contain images, names or voices of deceased people.