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What's My Number Calculator

Q. How is my estimated savings number calculated?

a) Electricity-only calculation

A. The estimated savings figure is the difference between your current retailer and the cheapest retailer available in your area. The calculation assumes that you are currently on the cheapest electricity plan for your retailer.

If your current retailer has the cheapest plan in your area, then the estimated savings figure is the difference between your retailer's cheapest plan and your retailer's most expensive plan.

Comparisons are always made between plans of the same type, e.g. low user plans will be compared with low user plans and standard user plans with standard user plans. Where a retailer offers one plan option per plan type only, no further comparisons will be made.

The number is an estimated annual savings figure. To get a more accurate idea of your potential savings on both gas and electricity, and the best options for providers in your area, go through to Consumer Powerswitch.

b) Dual-fuel calculation

A. The estimated savings figure is the difference between your current electricity and gas retailer(s) and the cheapest electricity and gas retailer(s) available in your area. The calculation assumes that you are currently on the cheapest electricity and gas plan for your retailer(s).

The number is an estimated annual savings figure. To get a more accurate idea of your potential savings on both gas and electricity, and the best options for providers in your area, go through to Consumer Powerswitch.

Please note that some retailers in some areas offer electricity or gas as a dual-fuel deal only. An example for this is Nova Energy in Central Wellington, where customers cannot sign-up for electricity unless they also have gas with Nova Energy.

Customers therefore won't be on a Nova Energy electricity and a Genesis Energy gas plan. If customers choose a combination of retailers that, like this example, is not possible then a $0 number is returned.

Q. How is my estimated savings number calculated?

A. The above estimate assumes you are on the cheapest pricing plan with your current retailer and may not include special offers. You could save more.

Q. Are all electricity retailers covered in the What's My Number calculator?

A. Almost all retailers are covered in the calculator. However, there are some companies not listed on What’s My Number including:

Bosco Connect is not included as it only provides electricity to a limited number of apartment buildings.

Grey Power Electricity is not included because the pricing is only available to those people Pulse Energy offer it to, so not all What's My Number users would be eligible to receive the offer.

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Consumer Powerswitch New Zealand Government
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