<p>Responsibility for the transmission charging regime and Project TransmiT sits with the independent regulator, Ofgem.</p><p>The Department takes an interest in the regime as one of the key factors in delivering the transmission network in a way that maintains security of supply and keeps down costs for the consumer. Project TransmiT has been one of a number of topics Ministers and officials have discussed during routine meetings with Ofgem.</p><p>National Grid and Ofgem have carried out detailed analysis of the impacts of different transmission charging approaches on security of supply and consumer costs during Project TransmiT. Ofgem consulted on its “preferred approach” and impact assessment in August 2013. Details can be found here:</p><p>https://www.ofgem.gov.uk/electricity/transmission-networks/charging/project-transmit</p><p>Ofgem's analysis indicates long-term benefits for both security of supply and costs for consumers from its “preferred approach”.</p>