Medellin-based electric power generation giant Isagen revealed in an April 2 filing with Colombia’s Superfinanciera corporate oversight agency that its full-year 2019 net income rose 9% year-on-year, to COP$495 billion (US$123 million). However, fourth-quarter (4Q) 2019 net income dropped 62% year-on-year, to COP$144 billion (US$35.8 million), as lower rainfall in Colombia