October 9, 2025
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Montenegrin TSO CGES buying power transmission lines from its Serbian counterpart EMS

Serbian transmission system operator (TSO) Elektromreža Srbije (EMS) and Montenegrin TSO CGES agreed that each would become the owner of the parts of overhead transmission lines on its country’s territory, and signed a contract.

EMS and CGES signed a contract on the purchase of electricity infrastructure. The two state-owned TSOs said it is the confirmation of their many years of cooperation and of their joint commitment to the development of a stable and reliable regional electricity system.

The reason for such an arrangement is that maintenance and utilization of transmission lines on the other country’s territory is complex and demanding, both from the technical and legal perspectives, the announcement reads.

Contract was signed by CEOs Jelena Matejić, Ivan Asanović

CGES will become the owner of the parts of EMS’s interconnector power lines of 220 kV and 110 kV that are located in Montenegro, they said, without revealing the purchase sum.

CGES is taking over the parts of EMS’s interconnector power lines that are on the territory of Montenegro

The contract was signed by General Manager of EMS Jelena Matejić and Executive Director of CGES Ivan Asanović. The two companies explained that they have initiated the search for a sustainable solution for interconnector power lines of 220 kV from Pljevlja in Montenegro to Bajina Bašta in Serbia and from Pljevlja to Bistrica in Serbia, and the one from Pljevlja 1 to Potpeć in Serbia, of 110 kV, all owned by EMS, and for CGES’s internal overhead power line Mojkovac-Pljevlja of 220 kV, which has a section in neighboring Serbia.

Deal aimed at simplifying operations, greater legal clarity

They adopted a model under which each TSO is becoming the owner of transmission lines on the territory of its country. It is a principle enabling simpler management, more efficient maintenance and greater legal and operational clarity for transmission systems, the operators said.

“With this contract we are creating a more stable basis for a technically and legally regulated transmission system, additionally strengthening the reliability and safety of the electricity grid in the region,” Jelena Matejić stated.

The companies showed that they are able to solve complex issues jointly and in the interest of both countries and all users of the electricity system, according to CGES head Ivan Asanović.

Of note, EMS has a 15% share in CGES, while the Government of Montenegro controls 55.4%. Jelena Matejić is a member of the board of directors. Italian TSO Terna owns 22.1%.

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August 27, 2025
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Serbia launches construction of two transmission lines as part of BeoGrid 2025 project

Serbia has launched works as part of the BeoGrid 2025 project, aimed at improving the power transmission infrastructure in Serbia, the region, and Europe, as well as facilitating electricity offtake from renewable energy power plants in the South Banat region of Vojvodina.

The BeoGrid 2025 project, worth EUR 205 million, comprises six distinct components, according to Radoš Popadić, Assistant Minister of Mining and Energy in charge of the power engineering sector. He attended the start of works in Belgrade’s Surčin suburb together with Jelena Matejić, the general manager of Serbia’s transmission system operator, Elektromreža Srbije (EMS).

“Construction is being launched today on two new high-voltage transmission lines that will connect Belgrade and Novi Sad, with a total value of around EUR 22 million,” he said, adding that work on a substation in Belgrade is also expected to begin soon.

The project is valued at EUR 205 million

The substation will be connected to the Čibuk 1 substation [wind farm Čibuk 1] by a new 83-kilometer transmission line, ensuring a stable transmission of electricity produced from renewable energy sources in South Banat, as well as reducing strain on the existing network, Popadić explained.

Radoš Popadić and Jelena Matejić (photo: Ministry of Mining and Energy/Danilo Mijatović)

Two single-circuit 400 kV transmission lines, intended for connecting transmission line 450 (switching station Mladost – substation Novi Sad 3) to the future 400/110 kV substation Beograd 50, will have a total length of 25.5 kilometers.

EMS General Manager Jelena Matejić said that BeoGrid 2025 is of particular importance for Serbia, but also part of the broader North Continental South East (CSE) Corridor project, which includes doubling the existing 400 kV interconnection between hydropower plant Đerdap 1 and Portile de Fier in Romania.

Matejić: The North CSE Corridor is part of the European ten-year network development plan, TYNDP 2020

The North CSE Corridor project is part of the European ten-year network development plan (TYNDP 2020) and the regional investment plan (RgIP 2020). It is supported by the Romanian transmission system operator, Transelectrica, as well as the German development bank KfW, with a feasibility study.

The North CSE Corridor is of regional importance as it increases the transmission capacity between Serbia and Romania, helping create an integrated European electricity market, Matejić pointed out, adding that BeoGrid 2025 is also important for additional backup power supply for the EXPO 2027 project.

The project aims to enable the transmission of electricity generated from renewable sources in the South Banat region and to ease the load on the 220/110/35 kV Beograd 5 substation, which supplies a large part of Belgrade, particularly parts of New Belgrade and Zemun, EMS stated.

Popadić: The total value of all planned projects is EUR 1 billion

Photo: Ministry of Mining and Energy/Danilo Mijatović

Radoš Popadić recalled that large investments in the transmission network are underway.

“Serbia has recognized the importance of investing in the power transmission system to enable the integration of more renewable energy capacity, increase the exchange of electricity with neighbors, and ensure a secure, stable, and efficient supply to consumers. That is why we launched investments in interconnection with the transmission systems of eight neighboring countries, with EUR 500 million to be invested in priority projects by the end of the decade. The total value of all planned projects will amount to around one billion euros,” said Popadić.

BeoGrid 2025 is financed partly from the Serbian budget, as well as from EMS’ own funds. The project consists of six distinct components, or investments:

  • 400/110 kV substation Beograd 50;
  • Two-circuit 400 kV transmission line between substation Beograd 50 and Čibuk 1, including the installation of a 400 kV bay at switching station Čibuk 1;
  • Single-circuit 400 kV transmission lines for the integration of transmission line 450 (switching station Mladost – substation Novi Sad 3) into substation Beograd 50;
  • Two double-circuit 110 kV transmission lines for the integration of transmission line 104/8 (substation Stara Pazova – substation Inđija 2) into substation Beograd 50;
  • two double-circuit 110 kV transmission lines for the integration of transmission line 1178 AB (substation Beograd 5 – substation Beograd 9) into substation Beograd 50;
  • Double-circuit 110 kV cable between substation Beograd 50 and substation Beograd 49 (Airport).

Photo: Ministry of Mining and Energy/Danilo Mijatović

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June 11, 2025
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Serbia’s EMS starts construction of third section of Trans-Balkan Corridor

The foundation stone was laid today in Serbia for the third section of the Trans-Balkan Electricity Corridor. The investment amounts to EUR 100 million. It entails a high-voltage overhead power line of 109 kilometers between Obrenovac and Bajina Bašta, equipping two new switchyards in the Obrenovac transformer substation and upgrading the Bajina Bašta substation to 400 kV. The fourth and last section, with the interconnections with Bosnia and Herzegovina and Montenegro, is planned to be completed in 2028.

Serbian Minister of Mining and Energy Dubravka Đedović Handanović said at the groundbreaking ceremony for the third section of the Trans-Balkan Corridor that it is the most important project for the transmission system not only in the country but in Southeastern Europe.

“What highways are for transportation, high-voltage power lines are for energy, and today we are beginning the works on the new part of the most important energy highway,” she said in Obrenovac and added that the segment would enhance the security of supply for consumers in western Serbia.

The third section of the Trans-Balkan Electricity Corridor involves the construction of an overhead power line of 109 kilometers on 309 towers, equipping two new switchyards in the Obrenovac substation and lifting the voltage level in the Bajina Bašta substation to 400 kV.

The project is financed with a EUR 64.5 million loan from Germany’s KfW Development Bank, a grant from the European Union via its Western Balkans Investment Framework (WBIF) of approximately EUR 21 million, and own funds of the Serbian transmission system operator Elektromreža Srbije (EMS), according to the state-owned company’s announcement. The third section is worth EUR 100 million, of which EUR 71 million is for the overhead power line.

“With the completion of the entire project, we will additionally strengthen the links with Bosnia and Herzegovina and Montenegro and beyond, with Italy,” Đedović Handanović stated.

She recalled that significant transmission grid investments are planned in the next five years, including the construction of the Pannonian Corridor toward neighboring Hungary. The priority projects in the segment are worth EUR 500 million in total, the minister revealed.

“I expect the contractors not to be late with the works, so that the project is completed within two and a half years, as it is planned,” Đedović Handanović stressed.

Matejić: Final section to be finished in 2028

General Manager of EMS Jelena Matejić said the construction of the entire Trans-Balkan Corridor is worth more than EUR 200 million. She noted that it includes 323 kilometers of 400 kV power lines, voltage level upgrades for two transformer stations and switchyards in three of them.

The investments in the Trans-Balkan Corridor are estimated at more than EUR 200 million altogether

“Except this section, the third one, we will also have the fourth, for which the funds have been secured, and it will be finished in 2028,” Matejević asserted.

The old lines in western Serbia of 220 kV will be replaced with new, 400 kV systems, which will create possibilities for connecting the planned Bistrica pumped storage hydropower plant to the grid, according to EMS. The contractor is Kodar Energomontaža, and the works are expected to be completed by 2027.

EU donated EUR 38.3 million for Trans-Balkan Electricity Corridor

Head of the EU Delegation in Serbia Emanuele Giaufret pointed out that the funds the EU has earmarked for the current section are part of wider support.

“The EU has secured a EUR 38.3 million donation for the whole Trans-Balkan Corridor, together with KfW’s favorable loans. Over the years, the EU has earmarked more than EUR 1 billion for the energy sector in Serbia. This project is important for the rest of Europe as well, because it will contribute to the creation of a wider, integrated system, which will enable a more stable supply to consumers on the entire continent, as well as to avoid problems in the future,” he stated, as quoted by EMS.

The first section of the Trans-Balkan Corridor, from the city of Pančevo near Belgrade to the Romanian border, was finished in 2017. The second one, between Kragujevac and Kraljevo in central Serbia, is operational since 2022. It included substation upgrades in the two cities. The fourth section needs to connect Bajina Bašta with nearby Višegrad in Bosnia and Herzegovina, and with Pljevlja in Montenegro.

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May 11, 2025
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Serbia’s TSO EMS signs grid connection contracts for 11 renewable power plants

Serbia’s transmission system operator Elektromreža Srbije signed grid connection contracts today for 11 renewable power plants.

TSO Elektromreža Srbije (EMS) noted that the contracts were signed after the second interval for the preparation of studies for the connection of power plants to the transmission grid. The total capacity of the facilities within the new deals is 2,052 MW, the company added.

They include four self-balancing solar power plants that state-owned power utility Elektroprivreda Srbije (EPS) is developing with the consortium Hyundai Engineering – UGT Renewables under a strategic partnership. The contracts were signed by EMS CEO Jelena Matejić and EPS CEO Dušan Živković.

The grid connection contracts were signed for Salaš and Sikole (490 MW in combined capacity), Jablanica (421.5 MW), Bački Gračac (65.9 MW) and Srpska Kuća (27 MW). Their total approved connection capacity is 1,004.4 MW.

Two projects with grid connection contracts are for hybrid power plants

Five other projects on the list are also for photovoltaic plants: East One (49.5 MW), South Two (44 MW), Erdevik (74 MW), Solar Knjaževac (136 MW) and Palić (110 MW). Two are for energy parks – hybrid power plants combining wind and solar energy – Vida Power with 150 MW and Equinox with 277 MW.

Projects East One and South Two are developed by Hive Energy, Erdevik by Fortis and Solar Knjaževac by Central Europe Energy Company, owned by China’s GCL. CWP Europe is in charge for two hybrid power plants.

Of note, in October 2024, the Government of Serbia launched the strategic partnership with the consortium Hyundai Engineering – UGT Renewables, which was selected at a tender for the investment. It envisages solar power plants with a total connected power of 1,000 MW, or 1,200 MW in nominal terms, and battery energy storage systems (BESS) of 200 MW in overall capability and 400 MWh in capacity.

UGT Renewables CEO Adam Cortese told Balkan Green Energy News that the consortium’s strategic partnership with Serbia for the six photovoltaic facilities is worth EUR 1.6 billion.

Minister of Mining and Energy Dubravka Đedović Handanović said in January that the first works on the project are expected by early 2026.

EMS has two intervals per year for the preparation of grid connection studies

Every year EMS organizes two intervals for grid connection studies: from March 1 to June 30 and from September 1 to December 31. After the contract for the grid connection study is signed and the study is completed, investors must submit bank guarantees to sign the grid connection contract.

The grid connection contract that has been signed now is part of the interval initiated on September 1, 2024.  The contracts for the grid connection studies have been signed for 22 projects, and grid connection contracts have been signed for 11.

In the next interval that started on March 1, 2025, EMS has received eight applications, including two for batteries, the first such projects in Serbia.

In July of last year, EMS announced that September 1 would mark the start of the new interval for the preparation of studies for the connection of power plants and other facilities to the transmission grid.

In the previous interval, bank guarantees for solar, wind and hydropower projects and substations, within the transmission system in Serbia, were provided for 28 facilities with an overall capacity of 4,000 MW, according to EMS.

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