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SOLAR IN AUCKLAND

Solar Made Simple
for Auckland

Auckland is New Zealand's largest energy market, and one of the smartest places in the country to put panels on your roof. With more than 2,000 sunshine hours a year and some of the country's highest household power bills, Auckland homes have both the resource and the reason to go solar.

EFS Solar designs, installs and supports solar and battery systems for homes across the wider Auckland region, from the North Shore to Franklin. Every system is designed from an on-site assessment of your roof, shading and power usage, never from a satellite photo.

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A 6.6kW EFS Solar array on a home in Glenfield, Auckland
A 6.8kW EFS Solar array on a home in Browns Bay, Auckland, reserve behind

WHY GO SOLAR IN AUCKLAND?

  • Auckland's mild, sunny climate delivers strong year-round generation, with long summer days that let a well-sized system power your home and export the surplus.
  • Big-city power bills mean bigger savings: the more you currently spend, the more a properly sized system offsets.
  • Adding a battery keeps essentials running through outages and lets you use your solar power in the evening peak.

Every EFS Solar installation is carried out by licensed electrical workers, uses Tier 1 panels and inverters, and is backed by warranties of up to 30 years, with $0 upfront options available. We're proudly New Zealand-owned and install right across the North Island.

Areas we service near Auckland: the North Shore, West Auckland, Manukau, Howick, Kumeū and Māngere. Not sure if we cover your area? Get in touch and we'll let you know.

Not sure what size you need? Our guide to solar system sizes walks through the options and who each suits.

Residential Solar in Auckland, Common Questions

How much does a residential solar system cost in New Zealand?

It depends on your roof, your power use and whether you add a battery, so we quote every system individually after a free on-site assessment rather than advertising a one-size-fits-all price. $0 upfront payment options are available, and several major NZ banks offer low- or zero-interest green loan top-ups for solar.

How much power will solar generate at my place?

As a rule of thumb, a well-sited system in New Zealand generates around 3.9kWh per day for each kilowatt of panels, averaged across the year, so a 6.6kW system produces roughly 26kWh per day. Your roof orientation, tilt, shading and local climate all move that number, which is why we design from an on-site assessment.

Who installs the system?

All electrical work is carried out and certified by licensed electrical workers registered with the Electrical Workers Registration Board (EWRB). We use Tier 1 panels and reputable inverters, backed by warranties of up to 30 years on panel performance.

What happens to the power I don’t use?

Surplus generation is exported to the grid and your electricity retailer pays you a buy-back rate for it. Rates vary between retailers, so it pays to compare plans. We can point you at the options that suit solar households when we design your system.

How big can I go on single-phase power?

Without a battery, the practical maximum on standard single-phase power is 13.3kW of panels, a 10kW inverter oversized by the allowable 33%. Add a battery and the allowance grows to as much as 200%, or up to around 20kW of panels.

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