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FEATURE SPONSOR


LEGAL EAGLES G OF WIND ENERGY TURBINE LOCATION


Wind turbines can be located either onshore or offshore. However, wind turbines are usually located where… • The average wind speed is at least 10mph • There is a near constant flow of low turbulence wind


• There are infrequent powerful bursts of wind


• There is good access to the National Grid


ONSHORE


Onshore wind turbines are typically located on ridge lines to take advantage of the acceleration of wind as it is forced over a ridge. However, hill top sites are often controversial as the turbines are visible from a large area and may interfere with bird migration and nesting. If located near houses, noise, TV reception interference or shadow flicker may also be an issue.


OFFSHORE


Offshore wind turbines that are located close to the shore line (typically within 2-8 miles of the shore line) are referred to as ‘nearshore’ farms and those located out to sea are referred to as ‘offshore’ farms.


Offshore wind speeds are also higher than over land (as the sea has less surface resistance) so they can provide more generating capacity.


However, offshore development is much more expensive than onshore because…


• Foundations are expensive to construct • Undersea transmission cables are more expensive to lay than onshore cables


• Power is transmitted using high voltage direct current (to reduce transmission losses), which then requires expensive transformers to convert the electricity to the required voltage Corrosion of wind turbines and towers can increase maintenance costs


• Repairs and maintenance are costly as access is difficult


MICROGENERATION


Microgeneration is the generation of electricity and heat on a small-scale using renewable or low carbon sources. It is a way of providing electricity and heat on- site or near-site (rather than through the national grid and central gas network) to individual residential and non-residential sites. This is closely related to distributed energy systems. Microgeneration technologies include Micro-wind turbines.


Martin Collingwood Andrew Jackson Solicitors www.andrewjackson.co.uk


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www.windenergynetwork.co.uk


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