Solar energy is an alternative source of electricity - radiation from the sun is transformed into electricity.
Nelson has the most sunshine hours in New Zealand Blenheim, Christchurch, Otago, Westcoast and Most of the North Island all enjoy high sunshine hours for this solar Technology to work well.
The term photovoltaic derives from the combination of 2 words:
Photo from the Greek phos = light
Volt = electricity
which literally means 'electricity of light'
What are photovoltaics