Green Loans For Solar Energy
Making solar more affordable with help from your bank
Most major New Zealand banks now offer green loans to help homeowners invest in solar power, EV chargers, and battery systems. These loans often come with low or zero interest rates, making it easier to make the switch to clean energy without the upfront hit.
At Planet Electrical, we’ve helped plenty of customers take advantage of these offers and future-proof their homes.
What Is A Green Loan?
A green loan is a low or zero-interest loan designed to support energy-efficient upgrades. You can typically borrow up to $80,000 through your bank by topping up your mortgage.
These loans can be used for:
Solar panel systems
Battery storage like the Tesla Powerwall
EV chargers such as Evnex
Heat pumps, insulation, and other energy upgrades
Why Consider One?
No big upfront cost
Zero or low interest for up to 5 years
Easy to apply through your current home loan
Power bill savings often help cover repayments
Green Loan Options (As Of 2025)
Bank Loan Amount Interest Rate Term
ASB Up to $80,000 0% 3 years
BNZ Up to $80,000 0% 3 years
Westpac Up to $50,000 0% 5 years
ANZ Up to $80,000 1% 3 years
Kiwibank Sustainable Energy Loan allows you to top up your home loan to install eligible sustainable energy systems. If you borrow more than $5,000, Kiwibank contributes up to $2,000 over four years—$800 at the end of the first year and $400 at the end of each of the following three years
Always check your bank’s latest terms before applying.
How It Works
Talk to your bank about green loan options
Get a solar quote and system design you install must be a SEANZ member
Submit your application with the quote
Once approved they normally ask for the full invoice you this can be negotiated with you installed