How Many Solar Panels To Power A House Nz

Number of solar panels.

How many solar panels to power a house nz.

Compare solar quotes on the energysage marketplace customized to your property and energy needs. Prices were last updated on 08 04 2020. At the end of 2016 there were around 11 000 residential and small commercial solar installations according to the electricity authority. A small sample of residential system sizes in new zealand are below and the rough price of each.

Pulse energy s new zealand energy survey of nearly 10 000 new zealanders found that 43 of respondents wanted to use solar power in the future. New zealand is set to join other progressive nations by embracing solar energy to power homes and businesses. New zealand s sunshine hours range from about 1 400 2 600 annually niwa provides a solar intensity map for the whole of nz. However matching a system size to your power demands won t eliminate your power bill.

New zealand average installation sizes residential installations in nz can vary from a small 1 5 kw installation up to sizable three phase solar systems of 8 10 kw. 5 500 inc gst fully installed. An average homeowner needs 28 to 34 solar panels to fully offset their electricity bill with solar. A 10kw solar system which consists of 40 panels can produce an average of 14 000 kwh per year.

Keep in mind that the amount of power your solar system can produce depends on how much sunlight your roof receives and your location. The amount of electricity generated by a pv system will obviously be greatest in areas that receive more sunshine hours. The survey found that new zealanders saw sola. You will need a roof space of about 680 sq ft for a 10kw system.

The numbers sometimes may fluctuate depending on the number of sunlight hours less or more energy consumption in some months and insulations. Solar power system size. Solar power systems for households rarely go above 10kw in size. So 40 solar panels will be required to 100 percent power their house.