AFRY Management Consulting - Review of Colombia Renewables Auction - May 2020_0.pdf
Colombia’s generation mix is greatly concentrated on Hydro. As of 2018, hydro installed capacity was 68% of total and, between 2010 and 2018, the monthly proportion of demand supplied by this generation source was, on average, 76%. This dependence on rainfall makes Colombia heavily exposed to extreme weather-related events like ‘El Niño’, a periodic anomaly in ocean temperatures over the tropical East Pacific, which leads to strong reductions in precipitation in the country. During ‘El Niño’ episodes, e.g. the last quarter of 2015 and first quarter of 2016, hydro share in the generation mix can drop to nearly 50%, and electricity prices rise substantially...