Hainan to Guangdong undersea cable project to start operations in June 2009 February 16, 2009 | Asia-Pacific News The undersea cable project to connect the power grid of Hainan to the China Southern Power Grid's (CSPG) mainland power grid in Guangdong province is scheduled to begin operations in June 2009. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password