The Southern Gas Corridor is an important tool to provide energy security and energy diversification, President of the Republic of Azerbaijan Ilham Aliyev said as he addressed the opening of the 28th International Caspian Oil&Gas Exhibition (Caspian Oil & Gas) and the 11th Caspian International Power and Green Energy Exhibition (Caspian Power) within the framework of the Baku Energy Week at the Baku Expo Center, according to Report.