PANNONPOWER Holding Zrt.: PANNONPOWER Holding Zrt. is the biggest affiliate of Dalkia Energia Zrt.; the latter holds a 99.94% share. Also, Dalkia has a controlling share of companies belonging to the PANNONPOWER HOLDING, namely, PANNONGREEN Kft., PANNONTRADING Kft., Pannonenergia Kft., Pannon-Hő Kft., Pannon Hőerőmű Zrt. and PANNONENERGIA-SERVICE Kft.
The power plant producing heat and electricity supplies district heat to 30,000 homes in Pécs through the local provider, PÉTÁV, in which it has a 49% share.
Dorog Power Plant Kft.: In addition to serving industrial consumers, the power plant produces heat and hot water for regular use for Promtávhő Kft., another Dalkia Energia’s subsidiary, which supplies district heat to 3,800 homes in Dorog and Esztergom towns.
Kőbányahő Kft.: As a joint affiliate of Dalkia Energia Zrt. (75%) and Budapesti Erőmű ZRt. (25%), it has built a new cogeneration power plant at the BE ZRt. premises in Kőbánya, Budapest. This power station supplies steam to 6 industrial users, of which Richter Gedeon Nyrt is the biggest one, and is engaged in the sale of electricity produced in combination with heat.
Érdhő Kft.: This company, 100% which is owned by Dalkia Energia is responsible for the district heating of 1,100 flats in Érd.
Cellenergo Kft.: This district heating company provides district heat for 540 homes in Celldömölk town.
Distherm Kft.: This company operates a district heat network in Nyergesújfalu, serving almost 1000 homes.
Tata Energia Kft.: 1803 flats and 102 public buildings connect to the district heating network using two separate technologies and energy resources to generate heat. Two-thirds of the heat demand is fulfilled on the base of biomass - wood chips burning - while the remaining one-third of the amount of heat is produced by gas boilers. The end of 2012 the local government signed a 25-year concession contract with Dalkia Energia Zrt. for the operation of the district heating network.