Credit:   Jody Harrison     The Herald     (20/12/12)

 

An Edinburgh University study found that onshore wind farms, instead of lasting for 25 years without a drop in input into the grid, are more likely to reach the end of their lifespan in 10 or 12 years.

 

The report, commissioned by the Renewable Energy Foundation, which is against wind farm expansion, raised fears of massive hidden costs within Scotland’s renewables industry.

 

The report by Professor Gordon Hughes could have serious consequences for the Scottish Government’s plans to make Scotland 100% dependent on renewable energy by 2020.

 

The results show the average load factor of wind farms declines substantially as they get older, probably due to wear and tear. By 10 years of age the contribution of an average wind farm to meeting electricity demand has declined by one-third.

 

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