<p>Levelised Costs of Electricity for generation technologies are reported in the Generation Costs Report. They compare the lifetime costs for a plant (construction, operating, and decommissioning costs) against the plant's expected lifetime generation. They do not consider site specific benefits or costs.</p><p> </p><p>In 2010, the Government published a review of tidal barrages or lagoons in the Severn Estuary; this considered flood defence and transport links. It concluded there was no strategic case for a publicly funded Severn tidal range project. The Government remains open to considering well-developed proposals for tidal range projects in the bays and estuaries around our coastlines.</p>