TCS Daily - Blowin' in the Wind

TCS Daily - Blowin' in the Wind: "Even in Europe's windiest country, the winds are just 'too variable', with most turbines consistently under-performing. Having analysed figures submitted to the UK electricity watchdog Ofgem on every farm's load factor, Engineering Consultant Jim Oswald explained to the BBC, 'It's the power swings that worry us. Over a 20-hour period you can go from almost 100 percent wind output to 20 percent.'"