Shenzhen Energy  Shenzhen Energy Group Company Limited, formerly Shenzhen Energy Investment Company Limited, is one of the main power generation companies in Shenzhen, Guangdong, China. It involves in developing all types of energies, researching and investing high new energy-related technologies. Huaneng Power International is now the second largest shareholder of Shenzhen Energy. On 3 April 2010 a tanker owned by the Shenzhen Energy Group ran aground on Australia's Great Barrier Reef after straying out of shipping lanes.