Medellin-based multinational utilities giant Grupo EPM announced July 25 that its first-half 2017 earnings before interest, taxes, depreciation and amortization (EBITDA) rose 33% year-on-year, to COP$2.6 trillion (US$862 million), while net profits rose 78% year-on-year, to COP$1 trillion (US$331 million). The city of Medellin – EPM’s sole shareholder – so far this year