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 Airport and Frankfurt) in 2015 after two years of stable operation. The government have started the first concession procedure back in 2011, but there were no candidates for it. The second attempt for the concession was made in the spring of 2016 when the government have opened a tender for a 35 years concession of the airport, but the tender was shortly cancelled for non-compliance with European rules. In December 2016 the government opened the 3-rd tender for the concession. In the new procedure 3 companies have made the bid for the airport - Silk Road Plovdiv Airport, Consortium Plovdiv Airport