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The wind is a fully renewable resource. Wind is created from a combination of energy from the sun heating the atmosphere, water and land, and the earth's rotation. In the extremely unlikely case that all of the world's energy needs were provided by wind, there would be an unnoticeable reduction in total atmospheric energy, some micro-climate changes in the area of wind turbines, and a vast net positive compared to the impacts of fossil fuel generation being removed.

Wind turbine power generation is renewable power.

Total lifecycle cost analyses show that wind has one of the highest ratings in terms of full lifecycle energy net balance of all sources of energy. They pay off the energy cost of materials, construction and installation very rapidly and accrue a very strong positive balance over their 20-25 year lifespan.

When wind turbines are decommissioned, industry experience is that not only does the infrastructure get reused through the installation of larger wind turbines in the same geography, but that the old wind turbines are generally saleable as refurbish-able components for other wind turbines, or as high-value scrap. Wind energy has virtually no impact on the land it is sited on. In fact, wind turbines are a strong net positive for ground water and aquifers, and in some places wind energy is directly being used to recharge aquifers with clean water. It's a very virtuous cycle.

Wind energy requires very little backup power or storage in integrated energy grids. Studies and experience out of the UK and Finland show that up to levels of 20% of grid generation coming from wind and other variable renewables, only 20% of the generation capacity of the renewables is required as backup. This is dwarfed by the reality that grids require hot backup for their largest point generation sources, as nuclear, hydro and major coal plants regularly go offline unexpectedly due to a variety of causes, often with little notice. For example, while a single wind turbine burning in 200 kph winds in Scotland in December of 2011 made headlines world-wide, the real story was that a nearby nuclear reactor was taken out of service for 54 hours as its transmission lines blew down. That represented a loss of 17 gigawatts of energy to the Scottish grid. This dwarfs the 1.2 MW of generating capacity from the one wind turbine, especially as the other 11 wind turbines in the farm kept generating electricity.

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