1. What is a wind turbine?

A wind turbine is a device that converts kinetic energy from the wind, also called wind energy, into mechanical energy; a process known as wind power.

2. Why install a small scale wind turbine?

By installing a small scale wind turbine you will reduce your energy bills and can sell surplus back to the grid. You can reduce your carbon footprint, contribute to the drive towards renewable energy and make an investment for the future.

3. How does wind energy work?

Wind has been used for centuries as a free source of energy. Windmills utilized this energy to power machinery for physical work like crushing grain or pumping water. Today the power of the wind is commonly harnessed by converting the rotation of turbine blades into electricity.

The wind turbine, which is installed on top of a tall tower, collects wind energy and converts it into electricity. The turbine output is then made electrically compatible with the utility and the output is fed into the household wiring at the breaker panel.

4. What is the optimum site for a small scale wind turbine?

It is all about location, location, location. You will require at least half an acre of open unobstructed land with a good wind resource.

For the best performance, the wind turbine should have no obstacles, such as trees and buildings, obstructing the prevailing winds as the smoother the air flow the better the generation.

A turbine is generally sited at least 80-100m from any building to avoid turbulence, shadow flicker and to attenuate any noise.

Evoco turbines have high voltage generators. This allows fairly long cable runs, provided the inverters are sited close to the property. It's possible to site your turbine up to 500m from your property.

5. How windy does it need to be?

To get a good level of renewable energy generation, annual mean wind speeds should be above 5.0 m/s (10 mph).

Please check the Payback Predictor and consider booking a site assessment if you think your site may be suitable.

6. Can I mount a small scale wind turbine on my roof?

No. The Evoco is designed for ground mounted installations. Primarily this is to ensure clean, unobstructed wind which is never found on roof tops.

7. How much electricity would a small scale wind turbine generate on my site?

Input your details into our Payback Predictor to get an indication on your site's windspeed, unit cost, annual renewable electricity generation and estimated payback.

8. Will a small scale wind turbine impact on livestock and wildlife?

A small scale wind turbine is unlikely to have a significant impact on surrounding livestock and wildlife. There is considerable evidence to suggest that sheep, cows and horses are able to graze in the same field as a small scale wind turbine undisturbed.

Evoco small scale wind turbines are currently installed on sites with animals ranging from cattle and poultry to alpacas.

9. Is a wind turbine noisy?

All small scale wind turbines generate some noise. Customers and prospective customers are often surprised at the low noise levels of the Evoco. A great deal of work has been undertaken to provide standards and consistent methods of measuring noise levels for small wind turbines. This is part of the MCS certification.

Evoco turbines are designed to operate at relatively low rotation speed (rated 120RPM) This coupled with noise-controlling blade aerodynamics enables the units to be operate with minimal noise in average wind conditions. It is recommended that minimum separation distances between turbine and neighboring property is approximately 150 – 200m. Full detailed noise reports will be available upon completion of MCS testing.

10. Do I need planning permission?

Currently all wind turbines in the UK require full planning permission; however under new guidelines planners are obligated to encourage renewable applications where appropriate. Windpower Technology can help you with all aspects of your planning application.

11. How do I get planning permission?

Windpower Technology will assist you all the way through the planning process which should be decided within approximately 8 weeks once the application has been submitted, fees vary dependent upon the council.

12. What will the planning costs be?

Costs vary between local planning offices – please speak to us for more details.

13. What happens if planning permission is rejected?

If a planning application was to be rejected by a local planning office Windpower Technology would discuss and review the application and look at appealing the decision if it is felt the decision was undue.

14. What is MCS?

The UK Government’s Department for Energy and Climate Change (DECC) developed MCS - Micogeneration Certification Scheme - to provide certification in accordance with consistent standards for all microgeneration technologies. It is designed to evaluate products against robust criteria providing greater protection for consumers.

The Evoco 10kW has successfully past all the testing requirements and all data provided about the turbines is MCS certified.

15. What is a typical small scale wind turbine design life?

Around 20 to 25 years depending on the individual turbine you choose.

16. How tall are small scale wind turbines?

The Evoco is available with a 12m or 15m mast.

17. Are the Evoco small scale wind turbines available for off-grid applications?


18. Will I have to change any of the wiring in my property?

No, a small scale wind turbine is easily retrofitted to virtually any property without need of changing any wiring or appliances.

Evoco turbines comply with European Community regulations on electromagnetic emissions.

19. Will a small scale wind turbine interfere with TV reception?

No, wind turbines do not interfere with TV reception.

20. What do I need to know about the Feed-In Tariff?

Through the use of Feed-In Tariffs (FITs), the Department of Energy and Climate Change (DECC) hopes to encourage deployment of additional small scale (less than 5MW) low-carbon electricity generation, particularly by organizations, businesses, communities and individuals that have not traditionally engaged in the electricity market.

There are three financial benefits from FITs:

  • Generation tariff – the electricity supplier of your choice will pay you for each unit (kilowatt) of electricity you generate
  • Export tariff – if you generate electricity that you don't use yourself, you can export it back to the grid. You will be paid for exporting electricity as an additional payment (on top of the generation tariff)
  • Energy bill savings – you won't have to import as much electricity from your supplier because a proportion of what you use you will have generated yourself, you will see this impact on your  electricity bill. 

Read more on FITs

21. Useful links and reports for those considering small scale wind energy

If you want to know more get in touch on 0131 669 4020