Wind Turbine Installations and Wind Farms

For any wind turbine installation, there are certain additional activities (e.g., construction of foundations and access roads, electrical connections, site erection, as well as project development and management) that must be undertaken. For flat onshore sites, which might be found typically in Denmark or North Germany, the total investment cost is approximately 1.3 times the ex-works turbine cost (EUREC Agency, 1996). In the UK, where sites are often located in more remote, upland areas the balance-of-plant costs (i.e., all costs other than the wind turbines) tend to be higher and a more typical breakdown is shown in Table 9.1. Commercial developers of wind farms will often prefer larger projects as, in that way, the fixed-costs, particularly electrical network connection and project development and management costs, may be spread over a bigger investment. A further encouragement for large projects is that the fixed costs of arranging project finance are high. However, there are individuals, community groups and commercial organizations who develop smaller wind farms and projects of this type are common in Denmark and Germany. The advantage of community involvement in the project is, of course, that planning permission is more readily obtained if it is seen that there is tangible benefit to local people.

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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