Rooftop solar storage project financing options in New Zealand 2025

What is rooftop solar?

Rooftop solar is a clean, low-cost energy source available to New Zealand homes. Rooftop solar is the cheapest source of energy a household can use, with zero emissions. Given the right circumstances, solar panels can pay themselves off in around 8 years, then deliver free energy for the next 20.*

Is rooftop solar the cheapest electricity available in New Zealand?

Rewiring Aotearoa's research has shown that rooftop solar is the cheapest delivered electricity available to New Zealand households, and a new in-depth study by the Energy Efficiency and Conservation Authority (EECA) has backed that up.

Is rooftop solar a viable option for energy supply?

Disclaimer: All estimates of current electricity prices used by both AMCL and EECA are intended to be representative, and all future prices are intended to be explorative. Residential rooftop solar photovoltaic (PV) generation is now one of the most accessible and cost-efective options to increase energy supply from renewable resources.

Which renewable technologies are a good investment for New Zealand?

The New Zealand government prioritizes certain renewable technologies, including solar, wind, and hydroelectric power, as part of its commitment to reducing greenhouse gas emissions. These technologies often receive more substantial incentives, making them more appealing for investors.

What incentives does New Zealand offer to investors in renewables?

The New Zealand government offers a range of incentives for investors in renewables, including grants, tax credits, and subsidies. These financial benefits are designed to encourage the development and adoption of renewable energy technologies, making it easier for investors to support sustainable projects.

Why is private sector financing important in New Zealand?

While government incentives play a crucial role in promoting renewable energy investments in New Zealand, private sector financing is equally important. Many investors are turning to private equity, venture capital, and institutional investors to fund their renewable energy projects.