OPINION: Andrew Garrad, GL Garrad Hassan
When I started in the wind-energy business in 1979, a big turbine was 12 metres in diameter and generated 60kW. Today, there are commercial turbines ten times the diameter and a hundred times the power.
When I started in the wind-energy business in 1979, a big turbine was 12 metres in diameter and generated 60kW. Today, there are commercial turbines ten times the diameter and a hundred times the power.