HSC/ 14/ 12 HSC Research Report Evaluating the performance of VaR models in energy markets Saša Žikovi ć 1 Rafał Weron 2 Ivana Tomas Žikovi ć 1 1 Faculty of Economics, University of Rijeka, Croatia 2 Institute of Organization and Management, Wrocław University of Technology, Poland Hugo Steinhaus Center Wrocław University of Technology Wyb. Wyspiańskiego 27, 50- 370 Wrocław, Poland http://www.im.pwr.wroc.pl/~hugo/