Wind Power

You can generate electricity at home with small-scale wind turbines.

Domestic wind turbines, known as microwind or small-wind turbines, capture the power of the wind and use it to produce electricity to power the lights and electrical appliances in your home. The UK is the ideal country for small domestic turbines with 40% of all the wind energy in Europe blowing over it.

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The Basics

Whenever the wind blows over your domestic wind turbine it will use this energy to generate electricity. This electricity can be used to power your home’s appliances and lighting, and because this electricity is free to you this will reduce your electricity bills. If you qualify for the government’s Feed-in-Tariff scheme you can receive payments for every unit of electricity you generate, as well as for any units you generate but don’t use, as they can then be exported back to the Grid.

You can fit a roof mounted or mast mounted (freestanding) microwind turbine depending on what the best way to capture wind power is in your area. Find out more about Installation of Wind Turbines here.

A well sited 6kW turbine could generate around 10,000kWh per year which is equivalent to around 5.2 tonnes of carbon dioxide a year. A system this size could generate income and savings of around £3,200 a year when eligible for the Feed-In Tariff” (Energy Saving Trust)

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FAQs

How much energy does a domestic wind turbine generate?
This depends on the capacity of your turbine and your local wind speeds. For each KW of capacity that a wind turbine has, it will deliver a KW of power in a constant wind of 12.5m/s. A site with good average wind conditions might deliver about 20-30% of this output. A typical 6kW turbine in a good location should be able to save you around £260 a year on your energy bills, though the real payoff comes from the Feed-In Tariff scheme which can pay you around £3000 a year in tariff payments for generating electricity using your turbine and exporting your surplus.
What is the warranty period for a wind turbine?
Domestic wind turbine systems usually come with a minimum 5 year manufacturer's warranty.
How tall are domestic wind turbines?
The height of a domestic turbine will vary according to manufacturer and model, but generally it varies from 6 to 15 meters (for a roof mounted system) up to 24 meters for a freestanding turbine. In general, the higher up the blades are, the higher the average wind speed that the turbine will experience, giving you a more efficient system. The rotor diameter of domestic wind turbines ranges from 2 meters for a roof mounted turbine, up to around 7 meters for a freestanding turbine, again depending on the model.
Is there a risk lightning strikes could target my turbine?
This is very rare and is almost unheard of, so generally not a consideration.
What happens to my electricity supply when the wind stops blowing?
Without adequate wind blowing, the turbine will not turn and create electricity, therefore you will have to draw power from the grid. This will happen automatically as long as you are connected to the Grid.
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