It comes as the government considers changes to make rooftop solar more accessible, and legalising plug-in solar panels. “This is one of the more interesting developments in NZ energy because it potentially changes who can participate in solar, not just how much solar gets installed. What is one aspect of solar energy in NZ you think is overlooked or misunderstood? Commercial reports note that New Zealand receives approximately 4 kWh/m²/day of solar energy on average, making it a viable solar market. “Plug-in solar power refers to small-scale, portable photovoltaic devices that can be connected directly into a household’s existing wiring.