The owners and operators of conventional power stations are responsible for the protection of their assets, working with their local police force.The Civil Nuclear Constabulary established under the Energy Act of 2004 provides a dedicated on-site armed response capability for designated civil nuclear sites and during the transport of civil nuclear material.A number of security measures are adopted by the operators of offshore platforms and these have been reviewed by Her Majesty's Government in the light of the importance of these facilities.DECC is not aware of any civilian or military protection of wind farms. Any security or protection arrangements would ultimately be the responsibility of the developer.For national security reasons it would be inappropriate to comment in detail on arrangements for the civilian or military protection of these facilities however security is kept under review in the light of the prevailing threat level.