Wind farms paid £43million to stand idle so far this year because they were producing more power than the National Grid could handle

Daily Mail

• Millions given to wind farms in 'constraint payments' for unused energy 
• Last year energy suppliers were paid £32milion by the National Grid 
• In 2012 only £6million was paid out and £174,000 two years before that 
• Experts warn too many wind farms have been built too quickly