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Compare prices and contracts

Compare gas prices

powerswitch logo2 0You can find and compare retailers’ gas prices through Consumer Powerswitch, a service provided by Consumer NZ with support from the Ministry of Consumer Affairs, to encourage retail competition.  Powerswitch uses a comprehensive database of electricity and gas prices to work out which energy company and pricing plan is best for you.  As a source of pricing information for both electricity and gas, consumers can assess the best deal for their total energy needs.  It also includes tips on saving energy. A calculator, provided by Consumer Powerswitch, helps consumers assess their potential savings. Users can then click through to the Consumer Powerswitch website and see the different offers available.

whats my number logo 0In addition, a What’s My Number service provided by the Electricity Authority encourages consumers to shop around for the energy by providing price savings information for both electricity and gas. It was developed to inform consumers about the ability to switch electricity and gas companies, the ease of switching and the potential savings they can make on their energy bills by switching.


Compare gas contracts

Gas Industry Co administers a Retail Gas Contracts Oversight Scheme that helps consumers evaluate retailers’ publicly posted supply terms and conditions.  Since its introduction in 2010, the Scheme has prompted a significant improvement in the clarity of those arrangements.

Reviews are undertaken by an Independent Assessor with the most recent full review in 2015. Gas Industry Co aims to conduct full reviews at three yearly intervals and the next one is scheduled for 2018.

The assessment details the contract alignment rating and you can compare the results for individual retailers which are summarised as follows.


Average alignment

Contact Energy


Genesis Energy


Energy Online


Mercury – Residential


Mercury – Business


Nova – Residential


Nova – Commercial


Pulse Energy/Greypower




Energy Direct



This table shows the level of alignment on a scale of full (being the best), substantial, moderate, low and none (being the worst) for each gas supply arrangement against each benchmark in 2015.  When considering the levels of alignment, please note some of the alignment issues are due merely to technical drafting issues.

Click here if you’d like to see the full assessment report.





Page last saved: March 05, 2018
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Get in touch

P 04 472 1800
A Gas Industry Co
Level 8, The Todd Building
95 Customhouse Quay
PO Box 10-646
Wellington 6143

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