FAQs & Fact Sheets for Wind Power

Here are some of the most commonly asked questions about small wind energy systems. If you have other questions, please don't hesitate to contact us.

Will my turbine survive?

Do I have enough wind?

Which is best between wind, solar and hydro?


Will my turbine survive?

I hear that wind turbines do not survive in New Zealand.

This depends upon the quality of wind turbine you purchase. We have sourced Windspot and Osaris wind turbines which are designed to withstand extreme weather conditions as often experienced in New Zealand. They are warranted to hurricane strength. Some of the problems that some cheaper wind turbines experience are due not only to high winds but to shifting turbulent winds which can be incredibly destructive.

Do I have enough wind?

In general terms for a wind turbine you need an average wind speed of at least 5m/s (10 Knots). There can be instances where lower winds can still make it worthwhile to use wind but you will need to have a good record of the wind speed distribution. If it is uncertain if you have enough wind we can carry out a series of site surveys starting with looking at the general wind speeds for your area and culminating in taking wind readings for a period of at least three months.

Which is best between Wind, Solar and Hydro?

Every situation is different and depends upon the amount of each type of resource available. Hydro is usually the most cost effective if there is enough water and a large enough head available. Wind out performs solar with an average wind speed of about 5 - 6m/s or more. Off grid sites often benefit from a combination of generation sources to ensure there is greater likelihood of at least operating at any time.

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