Toplofikatsiya Plovdiv Toplofikatsiya Plovdiv Toplofikatsiya Plovdiv () is the district heating company in the city of Plovdiv in Southern Bulgaria. It is one of the largest district heating networks in the country, also supplying heat energy to the town of Asenovgrad, around 10 km to the southeast, and serves a total of 35 000 customers. As of 2007, Toplofikatsiya Plovdiv is wholly owned by Austrian company EVN, which also holds the electricity distribution monopoly for the whole of southeastern Bulgaria. Since it was taken over by EVN, Toplofikatsiya Plovdiv's official name is ""EVN Toplofikatsiya Bulgaria"". Toplofikatsiya Plovdiv has two power stations –
Plovdiv is the second or the third-largest cosmopolitan city inhabited by Bulgarians, after Sofia and possibly Varna. According to the 2001 census, out of a population of 338,224 inhabitants, the Bulgarians numbered 302,858 (90%). Stolipinovo in Plovdiv is the largest Roma neighbourhood in the Balkans, having a population of around 20,000 alone; further Roma ghettos are Hadji Hassan Mahala and Sheker Mahala. Therefore, the census number is a deflation of the number of Roma people, and they are most likely the second-largest group after the Bulgarians, most of all because the Muslim Roma in Plovdiv claim to be of Turkish ethnicity