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Power companies

The Big 4 gentailers

Genesis Energy Largest NZ electricity & gas retailer
Contact Energy Geothermal leader, power + gas bundles
Mercury Energy 100% renewable hydro & geothermal
Meridian Energy Largest renewable generator: hydro & wind

Popular independents

Electric Kiwi Free Hour of Power every day
Octopus Energy Smart EV plans, transparent tariffs
Nau Mai Rā Kaupapa-Māori not-for-profit retailer
Ecotricity Toitū climate-positive certified
Powershop Buy power packs in advance

All 22 retailers compared

See logos, services, plans and switching tips for every Kiwi power company on one page.

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Electricity prices

Pricing & bill basics

How NZ power bills are built Generation, lines, retail, GST: explained
Average electricity bill NZ $2,478/year, regional gaps and the 2027 shift
Low user vs standard user Pick the right tier and cut your daily charge
Best solar buy-back rates Who pays the most for your rooftop solar

EV & global benchmarks

Top EV electricity plans 2026 Off-peak windows and free-hour plans
Electricity rates in Oceania How NZ compares with Australia & the Pacific
Electricity rates around the world Global ranking: where NZ really sits

Save up to NZ$400 a year

Switching power company is the single fastest way to cut your bill. Compare all 22 NZ retailers in minutes.

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View all - Electricity prices
Network & outages

Lines companies

NZ electricity network The 29 lines companies that deliver your power
Vector Auckland & Northland: 0508 832 867
Powerco Taranaki, Manawatu, BoP: 0800 27 27 27
Wellington Electricity Wellington capital region: 0800 248 148
Orion Christchurch & Canterbury: 0800 363 9898

Live outages by city

All current power outages Live maps + 24/7 fault numbers
Outages in Auckland Vector network status
Outages in Wellington Wellington Electricity status
Outages in Christchurch Orion network status
Outages in Hamilton WEL Networks status

Power's out?

Call your lines company, not your retailer. Find the right 24/7 fault number for your region in seconds.

See live outages
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Schemes & grants

Flagship programmes

All NZ energy schemes Every grant, loan and protection
Warmer Kiwi Homes grant Up to 90% off insulation & heat pumps
Winter Energy Payment $20 to $32 a week, 1 May to 1 October

Green home loans

Compare green home loans ANZ, ASB, BNZ, Westpac, Kiwibank & Heartland
Kiwibank Sustainable Energy NZ$2,000 cash bonus over 4 years
ANZ Good Energy Home Loan 1% for 3 years, up to $80k
BNZ Better Future Top-Up 1% for 3 years on approved upgrades

Grants take time

Switching power company takes minutes and saves up to NZ$400 a year. Start there while you wait on grants.

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View all - Schemes & grants
Renewable energy

Renewable sources

Solar power in NZ Payback maths, buy-back rates and self-consumption
Solar panels NZ Installed cost, brands and per-kWh economics
Wind power in NZ 7% of generation, the windiest sites on the planet
Hydroelectricity in NZ How lake storage levels drive your power price
Geothermal energy in NZ 18% of NZ generation, yet your bill keeps rising

Related reading

Best solar buy-back rates Which retailer pays the most for your exports
Mercury Energy 100% renewable hydro & geothermal
Meridian Energy Largest renewable generator: hydro & wind

Got solar panels?

Buy-back rates differ by up to 12c/kWh between retailers. Find the one that values your exports.

Compare buy-back rates
View all - Renewable energy
Selectra New Zealand
Power companies
View all

The Big 4 gentailers

Genesis Energy Contact Energy Mercury Energy Meridian Energy

Popular independents

Electric Kiwi Octopus Energy Nau Mai Rā Ecotricity Powershop
Electricity prices
View all

Pricing & bill basics

How NZ power bills are built Average electricity bill NZ Low user vs standard user Best solar buy-back rates

EV & global benchmarks

Top EV electricity plans 2026 Electricity rates in Oceania Electricity rates around the world
Network & outages
View all

Lines companies

NZ electricity network Vector Powerco Wellington Electricity Orion

Live outages by city

All current power outages Outages in Auckland Outages in Wellington Outages in Christchurch Outages in Hamilton
Schemes & grants
View all

Flagship programmes

All NZ energy schemes Warmer Kiwi Homes grant Winter Energy Payment

Green home loans

Compare green home loans Kiwibank Sustainable Energy ANZ Good Energy Home Loan BNZ Better Future Top-Up
Renewable energy
View all

Renewable sources

Solar power in NZ Solar panels NZ Wind power in NZ Hydroelectricity in NZ Geothermal energy in NZ

Related reading

Best solar buy-back rates Mercury Energy Meridian Energy
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Cornelia Zavoianu By Cornelia Zavoianu | Updated 15 October 2025 | 1 min read

Contents

Article written and reviewed by a verified Selectra expert
Cornelia Zavoianu

Written by

Cornelia Zavoianu

Cornelia is an expert in energy markets with proven international experience, specialising in energy supply analysis and optimisation. Since 2024, she has been working as a content writer at Selectra, where she manages SEO strategy and develops digital tools and advanced analyses, helping clients identify the best providers and reduce costs, leveraging her in-depth knowledge of both the New Zealand energy market and international energy markets.

Read more from Cornelia

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