However, Ian Wood rejects any suggestion the review was politically motivated.
Wood says he sought several guarantees from Energy Secretary Ed Davey before agreeing to carry out the review, one of which was that the review was completely non-political.
Other assurances he sought were for complete independence in carrying out the review and that it should be done quickly.
"The industry cannot afford a two-year investigation, let's get it done in nine months and focus on the major issues.