Rooftop solar battery project financing options in New Zealand 2026

Can you finance a solar upgrade in New Zealand?

Here’s a breakdown of the best options to help you finance your solar upgrade. Many major banks in New Zealand are now offering very low or even no interest loans to put towards energy efficient upgrades including solar and battery storage. Paying little (or no) interest on any money borrowed to install the system dramatically increases your ROI.

How can New Zealand's leading banks make affordable solar solutions accessible?

Discover how New Zealand’s leading banks make affordable solar solutions accessible through green loans. Green Loans provide an affordable, eco-friendly way to finance solar upgrades. With competitive rates, these loans offer immediate electricity savings, energy independence, and a reduced environmental impact.

Is rooftop solar the cheapest form of energy in New Zealand?

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.* 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.

Where can I finance a solar switch in NZ?

Contact us to arrange a free quote. Explore low and no-interest finance for solar and batteries from NZ banks like ANZ, Westpac, ASB, BNZ and Kiwibank. A smart way to fund your solar switch.

What bank loans are available for solar systems and batteries?

Here are our preferred bank loans for solar systems and batteries: Top up your ANZ Home Loan at a fixed rate of 1% per annum for 3 years. You can apply for the ANZ Good Energy Home Loan up to a maximum value of $80,000 to purchase any of the “ANZ Good Energy Upgrades”. This includes:

How much does a solar battery cost in NZ?

Batteries are being installed in NZ homes for around $7,000 to $14,000 — and may be financed at a low interest rate using a green home loan. Answer a few questions about your house location and power use, and you’ll get a detailed report estimating how much value you could get from solar.