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Add solar to your home

According to Rewiring Aotearoa, rooftop solar is the cheapest form of delivered energy available to New Zealand homes, at less than half of the average grid electricity costs.*

Calculate savings

Generate your own electricity with solar

Save on your power bill by maximising  solar power during the day.

Store electricity with a battery to use during the evenings or through power outages.

Maximise your savings by using your solar power to charge your EV.

Discover your savings

We've partnered with Cogo to bring you the Better Energy Calculator. Explore upgrades that could lower your energy bills and help make your home and car more sustainable.

  • Estimate how much you can save on your energy bills
  • Get suggestions for energy-efficient upgrades
  • Find out the standard costs to upgrade
  • Connect with local installers and access exclusive deals

Calculate savings

*All estimates, calculations and information in the Better Energy Calculator are provided by Cogo, ASB does not represent or guarantee the accuracy of the information. Estimates are based on the average household and should not be used as financial advice. We recommend carrying out further due diligence and consulting with professionals before making any decisions or carrying out installation work.

See if solar is right for your home

Most homes can benefit from adding solar panels, and every household has different needs.

Use our Better Energy Calculator, powered by Cogo, to see how much you could save and connect with a supplier who can visit, provide guidance and plan a personalised solar system for your home.

Learn more about rooftop solar and batteries at Rewiring Aotearoa.

Get better energy at your home

Use the Better Energy Calculator, powered by Cogo to see what you could save.

Connect with local suppliers and installers.

Apply for an ASB Better Homes Top Up.

Get solar with a low interest loan

You could access up to $80,000 at 1.00% p.a. interest, fixed for 3 years (minimum 20% equity), to make electric upgrades to your home with our ASB Better Homes Top Up.

Put it towards the installation of solar panels, an electric car and charger, or a range of other appliance updates aimed at improving the efficiency of your home.

Apply online Find out more

ASB Bank Limited's lending criteria, terms and exclusions apply. Rate, offer and fees may change. Refer to asb.co.nz for eligibility criteria and other fees and charges. At the end of the fixed rate period our Housing Variable Rate will apply. See asb.co.nz for details. An early repayment adjustment may apply if you break a fixed rate term.

*Savings calculated using research conducted by Rewiring Aotearoa. Calculations are found in their Electric Homes Report.