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S tat e and P rospects for D evelopment of t he Bulgarian Electrical Power System

S tat e and P rospects for D evelopment of t he Bulgarian Electrical Power System. “ Electricity Sys t em Operator ” EAD. Ventsislav Zahov, Head of Electrical Regimes Dept. at the National Dispatching Center.

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S tat e and P rospects for D evelopment of t he Bulgarian Electrical Power System

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  1. State and Prospects for Developmentof the Bulgarian Electrical Power System “Electricity System Operator” EAD Ventsislav Zahov, Head of Electrical Regimes Dept.at the National Dispatching Center

  2. The Bulgarian ELECTRICITY SYSTEM OPERATOR company performs the control of the nationalelectrical power system, the common parallel operation with the power systems of the other ENTSO-E Member parties, provides the operation, the maintenance and the development of the electricity transmission network and administrates the electricity market 2

  3. Electricity generation in Bulgaria during the last years 3

  4. Share of the power plants in the electricity generation in 2015 4

  5. Installed capacities by the end of 2015 5

  6. Registered limit values of the load during the last years 6

  7. At normal (fully operational) network configuration,the electricity transmission network is in a technical state to implement the transmission of the planned electricity quantities, in order to supply the consumers in the country, as well as to carry out the export and the transit towards the neighboring countries. The operational voltages can be controlled within the admissible limits by the available technical means. State of the electricity transmission network 7

  8. There are difficulties in carrying out the maintenance program for the electricity transmission network, due to the following reasons: Increased loading of the TPPs at the Maritsa Basin, due to the decommissioning of Units 1-4 of Kozloduy NPP and Units 1-6 of Varna TPP; Lack of around-the-clock industrial load; Displacement of the household load towards the big cities; Significant seasonal increase of the loads in the resorts; Relocation of the RES generation towards the inland; Increased transit and loop flows of electricity through the Bulgarian electricity transmission network. State of the electricity transmission network 8

  9. Planned development of the electricity transmission network by the year 2022: Construction of a new 400kV interconnection power line between Bulgaria and Greece, from s/s Maritsa East (Galabovo)to s/sNea Santa; Doubling the 400kV ring in the direction s/sPlovdiv – s/sMaritsa East – Maritsa East 3 TPP – s/s Burgas; Doubling the 400kV ring in the direction s/sBurgas – s/sDobrudzha/Varna. Development of the electricity transmission network 9

  10. Planned development of the electricity transmission network by the year 2025: Construction of a new 400kV interconnection power line between s/s Vetren and s/s Blagoevgrad; Construction of a new 400kV interconnection power line between s/s Tsarevets (VelikoTarnovo)and s/sPlovdiv. Development of the electricity transmission network 11

  11. Thank you for your attention ! 12

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