Among the potential problems to be outlined are concerns of a severe shortage of engineers and worries, companies are now reviewing their commitments to wind energy because of spiralling costs in order to reduce green gas emission by 2050 from 60 to 80 percent.
No other nation has attempted to switch its electricity supply so quickly on this scale, and to achieve it the industry will need to build nearly 15,000 turbines, generating 35 gigawatts (GW) of electricity, on land and at sea.
Many experts believe it is technically feasible to meet the targets, but there is a growing conviction that the plans were rushed through so quickly by the Government that it will now take substantial new money and guarantees to work.
Maria McCaffery first time said: "It's tough, but just about achievable," and she said. "But how close we can get to the target depends on what happens in the next few years. It's not guaranteed, but it's too soon to be defeatist"