Modelado del efecto de los eventos macroclimáticos en los aportes a los ríos en el sistema eléctrico colombiano
(Modeling the Effect of Macroclimatic Events on River Inflows in the Colombian Electricity Market)
Juan David Velásquez (email@example.com)2, Isaac Dyner (firstname.lastname@example.org)1, Carlos Jaime Franco (email@example.com)2
1Universidad de Bogota Jorge Tadeo Lozano2Universidad Nacional de Colombia
This paper appears in: Revista IEEE América Latina
Publication Date: Oct. 2016
Volume: 14, Issue: 10
This paper models the influence of Oceanic Niño Index on the monthly river inflows to the wholesale Colombian electricity market. Since about 80% of electricity production is performed using hydraulic plants, the river‑inflow forecasts are an important input for mid‑ and long‑term planning and forecasting. The preferred model is an autorregresive model of order one using the current monthly value of the Oceanic Niño Index where the independent and dependent variables were transformed using the Box‑Cox methodology. Using the available information of the Oceanic Niño Index from 1950 to 2015, our analysis indicates that the values for the total river inflows can reach maximum and minimum values of 224% and 27% of the historical monthly mean, exceeding the maximum and minimum historical values registered during of the existence of the electricity market.
Box-Cox transformation, electricity generation, electricity prices, linear models, river inflows.
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