Complex sentence: Plans were submitted for review by the Department of Energy and Climate Change in July 2009; if permission was obtained construction was scheduled begin in late 2010 and to take up to three and a half years.
Split into simpler sentences: Plans were submitted for review by the Department of Energy and Climate Change in July 2009. If planning permission is granted, construction may begin in late 2010 and is expected to last up to three and a half years.