
We use sales-based data to monitor average residential, commercial and industrial electricity costs — essentially total electricity sales divided by the quantity of. . We monitor national residential electricity costs, using information about national electricity sales. This data: 1. is based on the actual volume of electricity sold and the. . The QSDEP is an average price series based on certain assumption, which complements the sales-based electricity cost data. The QSDEP indicator: 1. monitors tariffs. [pdf]
The national average is 35.67c per kWh, but prices ranging from around 32c to over 45c per kWh. Between a third and half of power price costs are due to transmission charges. We all rely on electricity in our day-to-day lives. And whether you are watching TV, running a heat pump, or putting on a load of washing – you’re adding to your power bill.
However, depending on where you live in the country, the price can vary between as low as 31.93c per kWh, in Christchurch, to 45.42c per kWh in Kerikeri and 45.45c in Westport. Of course, you can’t do much about where you live, apart from move.
residential costs back to the year ended March 2009 have been revised based on consistent information provided by all electricity retailers. Some retailers have also provided revised data back to the year ended March 2002. This has been incorporated into the residential electricity cost data.
The most recent stats show that, last year, the average Kiwi household used 7084kWh of electricity, at 34.25c per kWh, for a total cost of $2426. This works out to roughly $202 per month. Although most homes use more electricity over winter, and less in summer, due to heating costs.
An electricity retailer may charge a consumer 100 cents/day and 22c/kWh of electricity consumed. 26.6 c/kWh — that is, (2125/8000)x100. If the Retailer offered a 10% prompt payment discount, the final cost to the consumer would be 23.9 c/kWh. The line charge component is calculated in a similar manner (all figures include GST).
The residential electricity cost per unit is derived by dividing the dollar value of residential electricity sales by the number of kilowatt-hours (kWh) sold to residential customers. The survey also reports the 'lines' component of the residential costs. This covers both the distribution and transmission components of the residential costs.

We use sales-based data to monitor average residential, commercial and industrial electricity costs — essentially total electricity sales divided by the quantity of. . We monitor national residential electricity costs, using information about national electricity sales. This data: 1. is based on the actual volume of electricity sold and the. . The QSDEP is an average price series based on certain assumption, which complements the sales-based electricity cost data. The QSDEP indicator: 1. monitors tariffs. [pdf]
This records an increase from the previous number of 0.328 NZD/kWh for Sep 2024. New Zealand Average Electricity Cost: Residential data is updated quarterly, averaging 0.294 NZD/kWh from Jun 2013 (Median) to Dec 2024, with 47 observations. The data reached an all-time high of 0.352 NZD/kWh in Mar 2024 and a record low of 0.268 NZD/kWh in Sep 2013.
Canstar Blue reveals the average power bill in New Zealand and what you should be paying for power. Last year, the average Kiwi household used 7084kWh of electricity at 34.25c per kWh, for a total cost of $2426. This works out to roughly $202 per month.
residential costs back to the year ended March 2009 have been revised based on consistent information provided by all electricity retailers. Some retailers have also provided revised data back to the year ended March 2002. This has been incorporated into the residential electricity cost data.
The Ministry monitors national residential electricity costs using information about national electricity sales (essentially total electricity sales divided by the quantity of electricity supplied in kWh). Residential cost data is derived from information obtained primarily from electricity retailers.
The most recent stats show that, last year, the average Kiwi household used 7084kWh of electricity, at 34.25c per kWh, for a total cost of $2426. This works out to roughly $202 per month. Although most homes use more electricity over winter, and less in summer, due to heating costs.
The Ministry collects the total value of sales, the total volume of electricity sold, and the number of connections. The residential electricity cost per unit is derived by dividing the dollar value of residential electricity sales by the number of kilowatt-hours (kWh) sold to residential customers.

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