National Grid is dedicated to being the world’s premier network utility. Our core skills lie primarily in the management of large and complex energy delivery networks. We own, operate and develop the high-voltage electricity transmission network in England and Wales and Great Britain's principal natural gas transportation system.Our portfolio of other businesses is mainly concerned with infrastructure provision and related services where we can exploit our core skills and assets to create value. These businesses operate in areas such as Wireless Network Infrastructure for broadcast and mobile telephones, Metering, Grain LNG Import, Interconnectors and Property.