AeroMine 5kw per unit, 50% of the cost of PV panels, captures 90o angle of wind. youtube.com/watch?v=XPZei_UONX0

Double the blade size multiplies output 4x. Double wind speed gives 8x output.

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Financing

ANZ’s Sustainable Energy Loan
ANZ offers a generous sustainable energy loan of up to $80,000 at a low interest rate of 1% per annum for a term of four years. This loan is designed to help customers invest in renewable energy solutions for their homes or businesses, making it easier to take the first step towards a greener future.

Westpac and BNZs Interest-Free Loans
Both BNZ and Westpac provide customers with the opportunity to access up to $40,000 interest-free for four years. This loan aims to support customers in investing in renewable energy solutions or energy-efficient home improvements. The interest-free feature makes this an attractive option for those looking to minimize their borrowing costs while adopting sustainable energy solutions.

https://www.sunshinesolar.co.nz/newsletter/sustainable-energy-loans-in-new-zealand-a-comprehensive-guide-to-bank-offerings

I have allowed 30-40k per house for 14+ kW supply so it functions like a normal house