Multiple sources in the Colombian news media reported that Ecopetrol awarded business group Empresas Públicas de Medellín (EPM) a contract to build, maintain and operate two power lines that will transport electricity to the Barrancabermeja refinery. In the coming days, EPM will begin environmental procedures for the construction project, which will have a 230,000-volt substation and 250-MW-capacity lines 10-kilometers long .