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How to Cancel Mercury Energy NZ

Cancelling Mercury Energy requires switching to another electricity retailer - your new provider handles all communication with Mercury. The switch takes 5-10 business days and you receive a final bill within 2-4 weeks.

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Quick Facts

Cancel online?
Yes
Pause option?
No
Refund policy
Credit balances refunded within 15 business days via cheque or bank transfer. Outstanding balances must be paid.
After cancellation
Mercury retains account and billing records for 7 years under NZ tax, accounting, and Privacy Act 2020 requirements.

Cancellation Steps

Go directly to Mercury Energy NZ cancellation page

  1. Compare plans on Powerswitch.org.nz

    Visit powerswitch.org.nz, enter your address, and review available retailers and prices in your area.

  2. Select a retailer and apply online

    Choose a plan and apply through the retailer's website, providing your Mercury account and meter numbers from your bill.

  3. Submit your current meter reading

    When requested, send a photo or reading of your meter to establish your switch date and final billing point.

  4. New retailer manages the switch

    Your new retailer notifies Mercury and coordinates the change, taking effect within 5-10 business days.

Tips & Things to Know

  • Use Powerswitch to compare plans - most customers save NZ$200-350 annually by switching retailers.
  • Check your current bill for contract end dates, as early exit fees may apply on fixed-term plans.
  • Submit your meter reading promptly to avoid delaying your switch by 1-2 weeks.

Your Consumer Rights

  • Fair Trading Act 1986 protects against misleading conduct and unfair contract terms.
  • Electricity Authority NZ provides consumer protections and dispute resolution.

Frequently Asked Questions

Can I cancel Mercury Energy on a fixed contract?
You can switch only on variable rate plans. Fixed-term contracts may have early exit fees - check your contract end date on your bill.
How long does the switch take?
The switch typically takes 5-10 business days from applying with your new retailer, or up to 15 days if delayed.
Will I get a refund?
Any credit balance is refunded within 15 business days via cheque or bank transfer. Outstanding balances must be paid.
What happens to my smart meter?
Your smart meter remains in place and works with your new retailer - it's owned by the network operator, not Mercury.
Can I rejoin Mercury later?
Yes, you can rejoin anytime as a new customer, though previous promotional rates may not apply.

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