Sentences with phrase «since small turbines»
Skyscrapers, power transmission lines, vehicles and other existing human artifacts / activities are much more lethal to birds than are wind turbines — at least, since small turbines sited on migration routes have become a thing of the past.
http://www.realclimate.org/ Not exact matches
While the smaller 75 - meter search area is generally fine for the 50 - 100 kW turbines, since some 85 % of all fatalities are found within that search radius, the search radius must be much wider (200 - 250 meters) for the 2.5 - MW turbines, to achieve valid results.»
Small wind turbines remain more expensive than large turbines, especially if the objective is to produce electricity for the grid, since the electrical connection and maintenance are a much higher proportion of the capital value of a distributed system.
Since 2008, our award - winning Skystream 3.7 wind turbine's performance and energy yield has been measured at the Test Field for Small Wind Turbines in Zeeland, the Netherlands - an in - depth extensive assessment conducted by the Dutch government.
The town has had a small, 0.15 MW, wind turbine since 1991, but has relied mostly on very expensive diesel - powered generators for its electrical supply.