In support of the Renewable Energy Strategy consultation exercise BERR commissioned advice from independent consultants Sinclair Knight Merz to provide an initial high level assessment of the costs, benefits and issues to be addressed in accommodating high levels of renewable electricity generating capacity into the electricity transmission and distribution system in Great Britain. This analysis was published alongside the consultation document and is available at
Investment in electricity transmission infrastructure is ultimately a matter for the owners and operators. National Grid and the Scottish transmission owners, Scottish and Southern Energy and ScottishPower, are currently conducting transmission investment studies to identify the likely scenarios and associated investment costs to deliver the transmission capacity required in 2020 and beyond, with wider industry input through an Electricity Networks Strategy Group. A report is expected to be finalised by the end of January 2009.