Commission Decision (EU) 2017/501 of 12 June 2015 on tariffs applied by Hidroelectrica of Romania to S.C. ArcelorMittal Galați, S.C. Alro SA, S.C. Alpiq RomEnergie S.R.L., S.C. Alpiq RomIndustries S.R.L., S.C. Energy Financing Team Romania S.R.L. (EFT), S.C. Electrica SA, S.C. Electromagnetica SA, S.C. Energy Holding S.R.L., S.C. EURO-PEC SA, S.C. Luxten-Lighting Group SA, S.C. Electrocarbon SA Slatina and S.C. ELSID Titu SA — SA.33623 (2012/C), SA.33624 (2012/C), SA.33451 (2012/C) and SA.33581 (2012/C) (notified under document C(2015) 3919)