Guides
Commercial and farm solar for the South Island, explained with real numbers: what it costs, what it returns, how to finance it and what works for your industry.
The complete guide
Commercial solar in New Zealand: costs, payback and how to decide
What commercial solar really costs in 2026, the payback you can honestly expect, and how to decide whether it stacks for your business.
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Investment Boost on solar: what the 20 percent deduction is actually worth
The 20 percent immediate deduction is worth about 5.6 percent of project cost in year-one cash at the company rate. The honest maths, not the marketing version.
Solar buy-back rates for businesses: export is not the prize
Retailers pay 7 to 17 cents for export while self-use avoids 25 to 45. The over-10kW catch, the July 2026 rule change and why sizing beats plan shopping.
What a commercial solar feasibility study includes, and when you need one
Half-hourly analysis, satellite irradiance, honest financing and a 25-year model you can audit: what a real study includes and the vendor red flags.
Solar finance for NZ businesses: loans, PPAs and what actually stacks
Green loans, the ASB 0 percent offer and its 30 June 2026 deadline, PPAs and the Investment Boost, compared honestly: including who keeps the tax benefit.
Solar power for dairy farms: the honest numbers
Milking peaks in the dark. Solar pays on irrigation, chilling and water heating instead: what works, what it costs and a worked reference.
Solar for wineries and vineyards: Marlborough to Central Otago
Wineries are refrigeration businesses, which is why solar fits. The published Coterie, Matua and Yealands numbers, and honest vintage modelling.