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In New Zealand, grid-connected solar power systems now cost 1/4 of what the price was ten years ago. This massive drop in solar power system pricing makes systems more affordable than ever; a solar investment is now achievable for many, not just a few. A standard 3kW system in 2008 cost $40,000; in 2018 the same system averages at $9,000 (completely installed).
The cost of a solar power system will be dependent on the systems size and the type of roof the system is being installed on. A small sample of residential system sizes in New Zealand are below, and the rough price of each. Prices were last updated on 25 October 2018.
| Size | Number of solar panels | Cost |
| 1.8 kW | Six 300W panels | *$6,000 inc GST, fully installed. |
| 3kW | Ten 300W panels | *$9,000 inc GST, fully installed. |
| 4.2kW | Fourteen 300W panels | *$11,500 inc GST, fully installed. |
| 5.1kW | Seventeen 300W panels | *$14,000 inc GST, fully installed. |
*Please only use these prices as a starting point. The system prices assume straightforward installation on a metal roof. Prices can vary based on a number of factors.
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When filling out our free quote-request form let the installers know what you are hoping to achieve with the solar power system. It could be that you want to eliminate your power bill, maximise your ROI, have a strict budget or perhaps maximise roof space, let the installers know. That way, installers know what system size to quote and will be able to give you a good idea of the corresponding price or prices for your request.
Installing a system on a metal/tin roof is generally easier and uses
Lines company charges - Some local lines companies will charge around $200 for administration fees to accept your solar power system exporting excess power to the grid. Find out exact prices here>
Council consent - Select councils around New Zealand will charge you for consent.
The exclusive My Solar Quotes buyers guide for Solar PV takes you through the steps of purchasing a solar power system for your home, and the factors you will need to consider at each step.
Click here to download the
If you like talking and thinking in watts, the average solar power price per watt is now around $3.00/Wp (watt-peak, the maximum electrical power from a solar panel under standard conditions).
Curious about the individual price of a solar panel? A solar panel is just one of the many components that make up a complete system and it's often the most discussed. The price of one standard 280W solar panel is approximately $350.
The price of a solar power system has plummeted dramatically over the last decade, so we don't expect the same drastic price drops in the future. Expect to see a 3kW solar power system drop no more than $500 every year (based on current trends). In a few
It is also possible that solar power system prices could go up. An increase in price would likely be due to currency exchange rates.
There hasn’t been a revolutionary change in solar power technology over the last 10 years, the energy collection concepts remain the same, but the technology gets incrementally more efficient every year. When referring to a solar panel, the term efficiency means the efficiency at which the panel converts sunlight into power. According to GTM research, conventional panels are likely to improve by approximately 0.3% annually, which isn't fast by any means.
There are no subsidies or incentives in New Zealand for homeowners to install solar power systems. The Government did provide subsidies for solar hot water systems for a few years, but that was never applied to solar power.
For a quick and easy way to start your solar power price comparison, click here to get 3 free solar power quotes.
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