Invest News DetailSabah – The latest addition to energy investments in Turkey comes from Edison SpA (EDN.MI), a leading Italian energy company. The company plans to invest in Turkey,Greece and the Balkans through 2014 as part of its plan to expand in the southeastern Mediterranean area. The EUR 1 billion investment is part of Edison's 2009-2014 growth plan for Turkey, Chief Executive Umberto Quadrino said at a conference held in Istanbul on Thursday. The Milan-based company is expanding into countries that are in need of boosting their energy supplies to meet the surging demand for electricity and natural gas. Edison is eyeing investments in the Turkish thermal power plants as well as hydroelectricity.