Centrica plc is an integrated energy company. Company operates in four segments: British Gas, Centrica Energy, Centrica Storage and Direct Energy. The Company has estimated proven and probable (2P) gas and liquids reserves in Europe, North America and Trinidad and Tobago. The principal fields in Centrica Energy are the Kvitebjorn, South Morecambe, Cygnus, Statfjord, Valemon, Chiswick, NCMA Poinsettia, York, Maria, Rhyl and Grove fields. The principal field in Centrica Storage is the Rough field. The principal fields in Direct Energy are the Foothills, Medicine Hat, Carrot Creek and Central Alberta fields located in the province of Alberta, Canada. In September 2013, Suncor Energy Inc announced that it has sold its conventional natural gas business in Western Canada to CQ Energy Canada Partnership, a newly established partnership between Centrica plc and Qatar Petroleum International Ltd.