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 a tie-up between Hainan and Plovdiv Airport Invest. On 28 March 2018, Bulgarian Government awarded the consortium of HNA Group and Plovdiv Airport Invest a 35-year-long concession on Plovdiv airport in return for investments reaching €79 million, including a new cargo and passenger terminal. On 19 of July the consortium of HNA Group and Plovdiv Airport Invest have declared that it won't sign the concession contract which opens the road for the classified on the second place to take the concession. On the west side of the airport is located 24th Helicopter Air Base of the Bulgarian Air Force,