Best Power Companies in NZ 2025

Switching power companies in New Zealand is easy and can save you hundreds of dollars. Compare the top 3 providers with exclusive sign-up bonuses below.

🏆 Quick Winner: Powershop - $150 Free Credit

Powershop offers the best cash sign-up bonus at $150 in free power credit spread over 12 months. Perfect for new customers looking for immediate savings.

👉 Get $150 from Powershop →

📊 Detailed Comparison Table

💰 Which Power Company Should You Choose?

Option 1: Powershop - Best for Most People 🏆

Best if you want: Straightforward cash bonus + great service

• ✅ $150 free credit (no strings attached)
• ✅ 100% renewable energy
• ✅ Flexible payment options
• ✅ Award-winning app
• ✅ No extra services required

Total Savings: $150 over first year

👉 Sign up for Powershop - $150 Credit →

Option 2: Contact Energy - Best for Broadband Bundles

Best if you want: Maximum savings by bundling services

• ✅ $300 in credits (biggest total bonus!)
• ✅ Bundle broadband + power for convenience
• ✅ Simplified billing (one company, one bill)
• ❌ Requires adding broadband service
• ❌ Credits only last 4 months

Total Savings: $300 (if you need broadband anyway)

Use promo code: CONTACT300

👉 Sign up for Contact Energy - $300 →

Option 3: 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 →

🎯 Our Recommendation

For 90% of People: Choose Powershop

Powershop offers the best balance of:

• 💵 Highest guaranteed cash savings ($150)
• ♻️ 100% renewable energy
• 🎮 Best app and user experience
• ⚡ No complicated requirements

Choose Contact If:

• You’re getting broadband anyway
• You want to bundle services
• $300 > $150 for your situation

Choose Mercury If:

• You love rewards programs
• You’re passionate about 100% renewable
• You don’t care about upfront bonuses

🔄 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 referral links to get the best bonuses:

   • Powershop - $150 →
   • Contact - $300 → (code: CONTACT300)
   • 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).

🎁 Maximum Savings Strategy

Want to maximize your power savings? Here’s a pro tip:

1. Start with Powershop - Get $150 credit over your first year
2. After 12 months - Consider switching to whoever has the best bonus at that time
3. Refer friends - Earn additional referral bonuses from each provider

Potential total savings: $150+ per year just from sign-up bonuses!

⚡ Ready to Save on Power?

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

🥇 Best Overall: Powershop

$150 free credit - No complicated requirements
👉 Get $150 from Powershop →

🥈 Best for Bundles: Contact

$300 credit when you add broadband (code: CONTACT300)
👉 Get $300 from Contact →

🥉 Best for Rewards: Mercury

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

Last updated: October 2025. Offers subject to terms and conditions. All providers subject to availability in your area.