Vidjeti Nacionalno izvješće Regulatornog ureda za energiju za 2016., dijagram 8., str. 20.
Se Acer/CEER, Annual Report on the Results of Monitoring the Internal Electricity and Gas Markets in 2015 – detaljistmarknaderna för el och gas – s. 44, fotnot 107. https://www.acer.europa.eu/Official_documents/Acts_of_the_Agency/Publication/ACER%20Market%20Monitoring%20Report%202015%20-%20ELECTRICITY%20AND%20GAS%20RETAIL%20MARKETS.pdf