Two Asian groups have pre-qualified to bid for Colombia's biggest-ever energy project, further demonstrating the region's, and especially China's, ambitions when it comes to investments in other emerging markets. China Three Gorges Corporation and a consortium of six Korean companies led by Korea Electric Power join four Brazilian firms and Colombia's own Empresas Públicas de Medellín on a shortlist for the $2.3 billion construction of the 2,400 megawatt Ituango hydroelectric power station, which is located 170 kilometres north of Medellín, ...