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MEPSO Advances Strategic 400 kV Interconnection Project for Energy Community Priority Status

North Macedonia’s electricity transmission system operator, MEPSO, has officially nominated the “400 kV East–West Interconnection Corridor – Western Section” for inclusion in the prestigious list of Projects of Energy Community Interest (PECI). This strategic move aims to solidify the project’s status as a regional priority, facilitating cross-border energy cooperation and bolstering the stability of the Balkan power grid.

A Vital Link in the Regional Energy Spine

The nominated western section focuses on establishing a high-capacity link between Tetovo in North Macedonia and Prizren in Kosovo. This infrastructure is a critical component of a broader corridor designed to integrate the networks of Turkey, Bulgaria, Greece, North Macedonia, Kosovo*, Albania, and Montenegro.

Key specifications of the project include:

  • Total Length: Approximately 255 kilometers.

  • Primary Objective: Connecting the capital, Skopje, and the city of Ohrid via Tetovo, while providing a robust cross-border link to Kosovo*.

  • Capacity Upgrade: Replacing the current single 220 kV link between North Macedonia and Kosovo with a modern 400 kV interconnection.

Infrastructure and Operational Enhancements

The project involves a series of interrelated investments beyond simple transmission lines. MEPSO has outlined plans for significant substation developments to manage increased load and ensure operational flexibility:

  • Tetovo Substation: A new 400/110 kV facility will serve as a central hub for multiple high-voltage lines, significantly strengthening the transmission capacity in Western North Macedonia.

  • Oslomej Substation: Another 400/110 kV facility is planned for Oslomej. This location is particularly strategic as it transitions from a traditional coal-fired power site to a hub for new renewable energy projects.

Strategic Significance and Regional Synergy

MEPSO emphasizes that this investment is highly complementary to existing regional efforts, specifically the approved PECI project to upgrade the line between Prizren (Kosovo) and Fierza (Albania) to 400 kV. This synergy will create a seamless high-voltage path connecting North Macedonia, Kosovo*, and Albania.

This regional integration was further solidified last year (2025) through a Memorandum of Understanding signed between MEPSO and KOSTT (Kosovo’s Transmission, System and Market Operator).

“Achieving PECI status is a recognition of the project’s pronounced regional relevance. It directly contributes to the Energy Community’s objectives of secure, sustainable electricity supply and the efficient integration of renewable energy sources.” — MEPSO Statement

Timeline and Next Steps

The selection process for the second PECI list follows a rigorous biannual cycle. With the call for nominations having closed on January 19, the final list is expected to receive official approval by December 31, 2026.

Projects granted PECI status benefit from streamlined permitting processes and enhanced access to regulatory and financial support, accelerating the region’s progress toward decarbonization and a unified energy market.

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AI and Energy: the dynamic duo shaping the power grid

Author: Mbuwir Brida, EUSEW  Young Energy Ambassador

Have you tried asking ChatGPT what the world’s most pressing challenge is? It ranks climate change as the first challenge. So, how about we use the technology behind ChatGPT to solve that challenge?

The most significant way to mitigate climate change is to move from fossil fuels to renewable energy: the energy transition. This entails bolstering the integration of variable renewable energy sources into the power grid. Thus, more powerful and innovative tools are required to plan and operate the grid to ensure a secure and reliable grid as the energy transition progresses.

This need comes at a time when ground-breaking advancements are being made in artificial intelligence (AI), mimicking several aspects of human intelligence via large scale data analysis and relevant domain knowledge to generate outcomes. The digitalisation of the grid (e.g., via smart meters, sensors, and digital twins) provides massive amounts of data, making AI uniquely placed to support the energy transition. But will AI fix all grid challenges?

Forecasting for a more reliable power grid

Photo: Mbuwir Brida, EUSEW Young Energy Ambassador
Photo: Mbuwir Brida, EUSEW Young Energy Ambassador

The predictive capability of AI models is a game-changer for the energy sector, from energy generation to consumption and energy markets. One major application has been to predict and optimise energy generation of solar and wind installations: e.g., AI models use weather data together with historical measurements to predict energy production and consumption required for grid planning.

For example, the transmission network operator in Belgium, Elia, has developed an AI-based tool that reduces the system imbalance forecast error by 41% in their effort to keep the grid frequency stable with increasing renewable energy integration. This predictive capacity of AI models has also been used for predictive maintenance of wind farms and power lines. Thus, AI-based algorithms facilitate real-time monitoring and control of electricity transmission and distribution, allowing for dynamic adjustments in response to fluctuating energy supply and demand.

Moreover, AI algorithms automatically detecting faults, generating real-time power restoration strategies, and switching to backup power sources can reduce system downtime, enhancing power system reliability. Hence, AI not only facilitates grid management and renewable energy integration but also fosters a more efficient, reliable, and secure power grid.

On the energy consumption side, AI-driven energy management systems have seen significant progress. These energy management systems optimise energy usage by learning user preferences, adapting to weather conditions, and other external events such as electricity prices. For example, Belgian tech startup Pleevi has developed machine learning based algorithms to control electric vehicle charging, reducing electricity cost up to 30% while promoting the use of forecasted local energy generation. Swedish-Swiss electrification and automation company, ABB, on the other hand has developed AI-based tools for predicting and managing energy consumption peaks in commercial and industrial buildings, helping these large consumers to avoid peak demand charges.

Advanced technology comes with risks and roadblocks

While notable advancements have been made, the complexity of regulatory frameworks, ethical considerations, and the multifaceted nature of energy systems still challenge the integration of AI in the energy sector. Security concerns and data privacy issues raise important questions on the safe use of AI in the energy sector and, therefore, compliance with the European Artificial Intelligence Act. Additionally, the environmental impact of manufacturing AI hardware and the high energy and water consumption of data centres highlight some roadblocks that must be addressed for the sustainable use of AI. Moreover, the decision-making process of AI algorithms often remains unexplainable and unaccountable. All these aspects make the adoption of AI-based solutions challenging for users due to the significant energy security and financial implications.

Will AI fix all grid challenges related to the energy transition?

As the synergy between AI and the energy sector continues to unfold, interdisciplinary collaboration and a commitment to ethical and responsible AI deployment remain essential to fully unlock the potential of this intersection. However, the promise of fully autonomous systems, where AI orchestrates every aspect of the grid, is still a long way from becoming reality, considering the aforementioned hurdles. In reality, the integration is an ongoing process marked by incremental achievements and new challenges.

In 2026, the European Commission will adopt a Strategic Roadmap for digitalisation and AI in the energy sector, aiming to leverage the potential of digital and AI technologies while mitigating the associated risks.

This opinion editorial is produced in co-operation with the European Sustainable Energy Week 2026. See ec.europa.eu/eusew for open calls.

Disclaimer: This article is a contribution from a partner. All rights reserved.

Neither the European Commission nor any person acting on behalf of the Commission is responsible for the use that might be made of the information in the article. The opinions expressed are those of the author(s) only and should not be considered as representative of the European Commission’s official position.

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Smart meters, wildfires, rising demand push Greek distribution grid investment plan to EUR 4.8 billion

In recent years, Greece has been experiencing extreme weather events, such as wildfires and floods, which have threatened its electricity distribution network.

Due to this new reality, caused by climate change, the Hellenic Electricity Distribution Operator (HEDNO or DEDDIE) has increased its five-year development plan for 2026-2030 to EUR 4.79 billion, around 60% up compared to EUR 3 billion allocated for 2024-2028.

The plan for the 2022-2026 period was EUR 2.2 billion.

The goal is for HEDNO to reinforce the grid against these threats and ensure its pylons do not cause wildfires as easily. Moreover, Greece has been lagging behind the European Union when it comes to smart meter penetration, and it must make fast progress in the coming years.

HEDNO has included a total of 204 projects in the new five-year plan

There is also an increased need for new user connections as a result of rising demand and the ever-present need for connecting new renewable energy plants.

To achieve these goals, HEDNO has included a total of 204 projects in the new five-year plan. Smart meters will cost EUR 1.4 billion, compared to EUR 784 million in the previous plan, so as to address the problem of power theft, which has increased in recent years, and to enable dynamic pricing in the retail market.

More specifically, EUR 195 million will be invested in 2026, followed by EUR 260-270 million in the following three years and EUR 357 million in 2030.

New user connections will cost EUR 800 million

The network reinforcement will cost EUR 991 million (EUR 608 million previously), while EUR 650 million will be spent on replacing existing lines (up from EUR 619 million). This includes projects such as underground power lines and underwater connections, as well as a focus on the protection of forests.

New user connections will cost EUR 800 million to cover the projected demand from industry, ports, data centers, and other consumers. HEDNO’s plan also includes EUR 223 million for the grid control and management.

The operator said that contracting and equipment costs have risen in recent years, affecting the size of the new five-year plan.

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Enerjisa Enerji to rebuild grid, install solar in earthquake-hit region in Turkey

Turkish electricity distribution company Enerjisa Enerji has secured a USD 150 million loan to rebuild and modernize the power grid in the earthquake-hit Toroslar region in the country’s south, as well as to install solar power plants to supply corporate customers. The loan was provided by the European Bank for Reconstruction and Development (EBRD).

The Toroslar region accounts for about one-third of Enerjisa Enerji’s total operations. It was heavily affected by the earthquakes of February 2023, which caused widespread damage and more than 55,000 fatalities, the EBRD noted.

The 2023 earthquake caused heavy damage and killed more than 55,000 people

Enerjisa Enerji will use the EBRD loan to finance the reconstruction and modernization of the electricity distribution network, contributing to the overall reconstruction efforts in the region. The company will also install solar power plants offering sustainable energy solutions to its corporate customers, the bank said.

The company said in a press release that the five-year loan would be utilized to improve the quality of its electricity distribution services and expand its customer-focused renewable energy solutions.

The solar power plants will offer sustainable energy to Enerjisa’s corporate customers

Enerjisa Enerji is a subsidiary of Enerjisa Üretim, a joint venture between German E.ON and Turkey-based Sabanci.

Early this year, Enerjisa Enerji won the right to build and operate two wind farms totaling 750 MW, the largest projects available in Turkey’s auction for a total of 1.2 GW of wind.

The EBRD also stated that the project demonstrates its commitment to Turkey’s green agenda by helping to prevent distribution losses in the electricity network, as well as supporting the construction of renewable energy infrastructure, leading to significant reductions in carbon emissions.

Philipp Ulbrich, the CFO of Enerjisa Enerji, said that support from the EBRD strengthens the company’s strategic steps toward sustainable growth, reflecting investor interest in the energy transition in Turkey.

Turkey has secured over EUR 650 million in World Bank financing to support renewables integration

Earlier this month, the World Bank approved a financing package for Turkey’s transmission system upgrade project, aimed at enabling the integration of increased renewable energy capacity. The package includes a EUR 625 million loan from the International Bank for Reconstruction and Development (IBRD), a EUR 32.8 million loan from the Clean Technology Fund (CTF), and a USD 2 million CTF grant.

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Montenegro labels 15 energy projects as infrastructure priorities

The most valuable priority infrastructure projects in the energy sector of Montenegro are the Komarnica and Kruševo hydropower plants, the Trans-Balkan Electricity Corridor and the Ionian-Adriatic pipeline.

The Government of Montenegro has adopted a list of priority infrastructure projects for the energy sector to fulfill the final criteria of chapter 21 – Trans-European Network, of the country’s negotiations on the accession to the European Union.

The list consists of 15 projects with a total estimated value of around EUR 1.38 billion, according to the announcement.

The EU will use list to consider financial support from the Western Balkans Investment Framework

The list was updated in line with the Western Balkans Investment Framework (WBIF) methodology. In line with priorities defined at the state level, the list is for the European Commission to select projects for financial support from the scheme.

WBIF is the main mechanism for the EU’s financial support in the region in the period from 2024 to 2027, the government noted.

The following projects are on the list:

  • HPP Komarnica – EUR 315 million
  • Ionian-Adriatic Pipeline for natural gas (IAP) – EUR 210 million
  • interconnection Italy – Montenegro – Serbia – Bosnia and Herzegovina (Trans-Balkan Electricity Corridor) – EUR 163 million
  • HPP Kruševo – EUR 160 million
  • energy efficiency in public and residential buildings – EUR 104 million
  • improving the quality of power supply in tourist regions – EUR 78 million
  • creation of conditions for the integration of renewables and the construction of a new power interconnection – EUR 73.6 million
  • solar power project Solari 10,000+ – EUR 66 million
  • Slano floating solar power plant – EUR 60 million
  • Krupac photovoltaic plant – EUR 40 million
  • smart grid and smart metering system for electricity distribution system operator CEDIS – EUR 35 million
  • A8 unit at HPP Perućica – EUR 24 million
  • smart grid program of electricity transmission system operator CGES – EUR 21 million
  • decarbonization – EUR 21 million
  • reconstruction of oil storage tanks – EUR 10 million.

Montenegro also has a list of priority infrastructure projects, including energy. It was introduced in 2018 and updated in the meantime.

Compared to the list from 2021, the Gvozd wind farm and the ecological reconstruction of the Pljevlja thermal power plant were erased, while the following projects were added: HPP Kruševo, Krupac solar power plant, decarbonization and the reconstruction of oil storage tanks.

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Macedonia’s MEPSO planning to rehabilitate its power transmission grid

The Electricity Transmission System Operator of Macedonia AD MEPSO published tenders inviting proposals for goods and services for its project to rehabilitate and modernize its nation-wide power transmission grid along with a power system control project. The total investment in the projects is estimated to stand at EUR 40.5 million.

The money to finance the projects in all their stages will be co-financed by the European Bank for Reconstruction and Development (EBRD) and the Macedonian power transmission company. The bank said in a statement that AD MEPSO wants to use a loan from or a grant administered by the EBRD along with its own funds to complete the project to rehabilitate and modernize its sub-stations and other infrastructure and facilities.

AD MEPSO has invited interested companies to make offers for goods, work and services which includes procuring equipment for sub-stations, high voltage equipment, equipment for the remote monitoring of sub-stations, optical ground wire and overhead transmission lines along with their installation and telecommunications equipment among other things as well as work on the rehabilitation of a number of sub-stations and relay protection work.

The tender specifies that work is planned to be done on the rehabilitation of sub-stations in the towns of Prilep, Bitola, Skoplje, Veles, Štip, Probištip and Ovče Polje.

The Electricity Transmission System Operator of Macedonia AD MEPSO is a fully state-owned company, formed in 2005 following the transformation of the Electric Power Company of Macedonia. The company says that its main business is providing a smooth electricity transmission through the national high voltage network, power control and the organization of the national electricity market. It supplies power to large-scale industrial consumers such as Bucim, OKTA, Maksteel, Mitalsteel, USJE, Silmak, and the FENI Industry as well as to the low voltage grids of the EVN Macedonia and ELEM Energetika privately-owned power supply companies.

Source : balkangreenenergynews