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Small-scale wind energy

All sectors
Investment cost:
High cost
Payback time:
10.4 Year(s)
Read more
Cost savings:
Annual saving of € 63 430 (£ 58 193)
Resource type:
Resource saving:
Annual generation of energy to offset consumption and feed to the grid, 473040 kWh or 236671 kg CO2 equivalent
Investment cost:
€ 657 270 (£ 603 000) for 200 kW, € 3 270-5 450/kW (£ 3 000-5 000/kW), with the scale of the project based on kW output; turbine placement is important to ensure adequate wind exposure; supply relies on nature (wind) so unlikely to be the base load; maintenance is generally low with periodic checks required
Assumptions taken in the presentation of the above performance indicators:

Assumes the wind turbine is installed in an appropriate location, at the best angle and with no obstructions to maximise wind exposure; 200 kW installation

Wind energy is a good example of how small-scale renewables can work. The electricity generated can cover part of the electricity needs of building(s). This potential varies depending on several factors, which specialists can help to identify. A good place to start is to check the long-term annual mean wind speed in the target region, to get a sense of the site's suitability for small-scale wind energy.

Wind speed is the prime factor affecting electricity generation. Sites should be checked for suitability. Some locations are either sheltered or naturally not windy. Higher carbon and electricity savings are usually achieved in rural areas, because of the presence of stronger winds. Wind speeds also increase with height above ground, so the higher the wind turbine is mounted, the more power can be generated.

The excess generated electricity can potentially be sold into the national grid, and help to recover the costs of the installation more quickly.


EAUC-Scotland and Resource Efficient Scotland (RES), Energy Efficiency Technologies Catalogue, http://www.sustainabilityexchange.ac.uk/energy_efficiency_technologies_c...

Carbon Trust, Small-scale wind energy, https://www.carbontrust.com/media/77248/ctc738_small-scale_wind_energy.pdf

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