Best Power Companies in NZ 2026

Switching power companies in New Zealand is easy and can save you hundreds of dollars. Compare the top providers with current sign-up offers below.

🏆 Quick Winner: Contact Energy - Up to $600 in Credits

Contact Energy offers the biggest potential savings when you bundle electricity with broadband and/or eligible mobile. Up to $50/month off your power bill for a year — see Contact's offer page for full details.

👉 View Contact Energy offer → · Full write-up: Contact promo & BROADBAND25

📊 Detailed Comparison Table

💰 Which Power Company Should You Choose?

Option 1: Contact Energy - Best for Bundles 🏆

Best if you want: To stack Contact electricity with broadband and/or eligible mobile and earn monthly credits on your power bill.

• ✅ Up to $50/month off electricity for 12 months if you qualify for both broadband and mobile credits ($25 + $25 per month)
• ✅ $25/month × 12 ($300) when broadband is connected — use BROADBAND25 at signup (see Contact's offer page)
• ✅ Another $25/month × 12 ($300) if you add eligible mobile and activate your SIM within 30 days
• ❌ Requires adding broadband and/or mobile services

Total savings: Up to $600 over 12 months if both tracks apply; $300 for broadband only — subject to Contact's T&Cs.

👉 Contact Energy offer (official) → · Full write-up: Contact promo & BROADBAND25

Option 2: Mercury Energy - Best for Eco-Warriors

Best if you want: 100% renewable + rewards program

• ✅ 100% renewable (hydro, wind, geothermal)
• ✅ Rewards points on every bill
• ✅ NZ owned and operated
• ❌ No upfront cash bonus
• ❌ Points can't be redeemed for cash

Total Savings: Varies based on rewards

👉 Sign up for Mercury Energy → · Full write-up: Mercury Energy deal

Option 3: Powershop - Currently Paused

Powershop's "Switch Your Mates" referral program is currently on hold while they make app changes. When active, new customers could get $150 in free power credit over 12 months. Powershop is 100% renewable (owned by Meridian Energy) and offers flexible pay-as-you-go pricing.

We'll update this page when their referral program returns.

🎯 Our Recommendation

If you're adding broadband or mobile anyway: Contact Energy

Up to $600 in credits is hard to beat when you're already in the market for bundled services.

If you care about renewables and rewards: Mercury

100% renewable energy with an ongoing rewards program.

If you only want electricity with no extras:

Keep an eye on Powershop — their $150 credit offer was the simplest deal when it was active. In the meantime, Mercury or Contact are your best options.

🔄 How to Switch Power Companies in NZ

Switching is easier than you think! Here's how:

1. Choose Your Provider
   Based on the comparison above, pick your preferred company

2. Sign Up Online
   Use our links to get the best deals:

   • Contact offer → (broadband: BROADBAND25)
   • Mercury - Rewards →

3. They Handle Everything
   Your new provider contacts your old provider and arranges the switch

4. No Power Interruption
   Your power stays on throughout the entire switch

5. Start Saving
   Receive your sign-up bonus and enjoy lower bills!

⏰ Switching takes: 2-3 weeks from signup to completion

💡 Frequently Asked Questions

Will my power be cut off when I switch?
No! The switch happens seamlessly with zero interruption to your power supply.

Can I switch if I'm renting?
Yes! You can switch power companies even if you're renting, as long as you're responsible for the power bill.

Do I have to tell my current provider?
No, your new provider handles all the communication with your old provider.

What about exit fees?
Most NZ power companies don't charge exit fees, but check your current plan's terms to be sure.

How long does switching take?
Typically 2-3 weeks from when you sign up to when the switch is complete.

Can I switch back if I don't like it?
Yes, you can switch providers as often as you like (though signup bonuses are for new customers only).

⚡ Ready to Save on Power?

Don't overpay for electricity! Switch to a better provider today:

🥇 Best for Bundles: Contact Energy

Up to $600 in electricity credits with qualifying broadband and/or mobile
👉 Contact.co.nz offer →

🥈 Best for Rewards: Mercury

Rewards points on every bill + 100% renewable
👉 Join Mercury Rewards →

Last updated: April 2026. Offers subject to terms and conditions. All providers subject to availability in your area.