ERO - Prices and Tariffs - Electricity In this section of the ERO web-site all Price and Tariffs will be published.    No. Description Status Date 1. KEK j.s.c. – electricity tariffs english  shqip srpski   APPROVED 08.05.09 2. KOSTT j.s.c. – electricity tariffs english  shqip srpski   APPROVED 08.05.09 3. KEK JSC - Electricity Tariffs english  shqip  srpski   APPROVED 27.06.08 4. KOST JSC - Electricity Tariffs english  shqip  srpski   APPROVED 27.06.08 5. KEK JSC - Electricity Tariffs english  shqip   APPROVED 31.05.07 6. KOST JSC - Electricity Tariffs english  shqip   APPROVED 31.05.07 7. KEK JSC - Electricity Tariffs   english  shqip   APPROVED 15.03.07 8. KOST JSC - Electricity Tariffs  english  shqip   APPROVED 15.03.07 9. KEK JSC - Electricity Tariffs english  shqip  srpski   APPROVED 01.07.00