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EPS plans to build solar power plant on TENT A ash dump

Serbia’s state power utility, Elektroprivreda Srbije (EPS), has invited bids for producing a preliminary feasibility study and conceptual design for a solar power plant on the ash disposal site of the Nikola Tesla A (TENT A) thermal power plant in Obrenovac.

The study should assess the feasibility and viability of the project, as well as the total solar potential of the site. The estimated value of the contract is RSD 14.91 million, and the deadline to submit bids is 23 January 2026.

The document must clearly define the proposed capacity of the planned solar power plant, the grid connection method, and the expected operating regime, according to the public call.

The capacity of the future solar power plant will be determined by the study

The project aims to expand EPS’ renewable energy capacities, reduce dependence on fossil fuels, and remediate the ash disposal site.

In July, EPS connected to the grid its first larger photovoltaic facility, the 10 MW Petka solar power plant. The plant is located in the Kostolac coal mining complex east of Belgrade, next to a 66 MW wind farm, which was put into trial operation in late November.

The design of the planned solar power plant at the TENT A ash disposal site should allow for integration with TENT’s existing safety and SCADA systems, while energy stability should be ensured through backup power sources, including solar panels with battery storage and/or an uninterruptible power supply (UPS) system.

The project should envisage battery energy storage

The photovoltaic panels should have a minimum power of 600 Wp, a minimum efficiency of 24%, and guaranteed production over 30 years of operation, while the efficiency of the inverters must be around 98% by European standards.

The part of the TENT A ash disposal site allocated for the solar power plant is slated for closure, and its usable area is about 67.2 hectares. The exact usable area will be determined following the completion of the study.

The selected bidder will be required to complete the task within six months of receiving all necessary documentation from EPS.

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Energy Community Secretariat sets up renewables support hub for contracting parties

The Energy Community Secretariat has established a hub to speed up the deployment of renewables in contracting parties with a focus on transforming coal mines.

With the exception of Albania, members of the Energy Community in the Western Balkans generate electricity predominantly by burning coal from domestic mines.

Locations of depleted mines are suitable for renewable electricity plants.

The new Centre for Renewables Acceleration is a regional hub designed to provide technical support to all Energy Community contracting parties in accelerating renewable energy deployment through improved planning and coordination, according to the Energy Community Secretariat.

The center will especially help support the rollout of renewables acceleration areas (RAA) in brownfields, including coal mines.

Strengthening public trust in the energy transition is essential

In these locations, renewable energy projects can move forward more quickly through streamlined procedures grounded in strategic spatial planning that protects sensitive ecosystems, in the secretariat’s view.

It sees strengthening public trust in the energy transition as key to this mission, particularly in regions affected by coal phase-out and undergoing broader structural changes.

In the Western Balkans, the center will be supported through a partnership with the Open Society Foundations – Western Balkans (OSF-WB). The two sides recently formalized cooperation through a memorandum of understanding.

Work is complemented by the secretariat’s cooperation with The Nature Conservancy

Their activities in supporting the region include pilot interventions in contracting parties, expert exchanges, capacity-building initiatives and regional workshops.

The partnership with OSF-WB builds on the secretariat’s ongoing work in Ukraine, supported by the European Climate Foundation, which focuses on developing cross-border renewables acceleration areas in five regions bordering the EU and Moldova.

This work is further complemented by the secretariat’s cooperation with international environmental organization The Nature Conservancy (TNC), whose EU-recognized methodology for designating renewables acceleration areas informed the development of the Operational Blueprint for the Designation of RAAs in the Energy Community region and now serves as a best practice, the update reads.

Back in 2023, the secretariat and TNC formed a partnership to improve the planning and permitting procedures for renewable energy projects. TNC has implemented projects on RAAs in Serbia, Montenegro.

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EPS plans to build solar power plant on TENT A ash dump

Serbia’s state power utility, Elektroprivreda Srbije (EPS), has invited bids for producing a preliminary feasibility study and a conceptual design for a solar power plant on the ash disposal site of the Nikola Tesla A (TENT A) thermal power plant in Obrenovac.

The study should assess the feasibility and viability of the project, as well as the total solar potential of the site. The estimated value of the contract is RSD 14.91 million, and the deadline to submit bids is 23 January 2026.

The document must clearly define the proposed capacity of the planned solar power plant, the grid connection method, and the expected operating regime, according to the public call.

The capacity of the future solar power plant will be determined by the study

The project aims to expand EPS’ renewable energy capacities, reduce dependence on fossil fuels, and remediate the ash disposal site.

In July, EPS connected to the grid its first larger photovoltaic facility, the 10 MW Petka solar power plant. The plant is located in the Kostolac coal mining complex east of Belgrade, next to a 66 MW wind farm, which was put into trial operation in late November.

The design of the planned solar power plant at the TENT A ash disposal site should allow for integration with TENT’s existing safety and SCADA systems, while energy stability should be ensured through backup power sources, including solar panels with battery storage and/or an uninterruptible power supply (UPS) system.

The project should envisage battery energy storage

The photovoltaic panels should have a minimum power of 600 Wp, a minimum efficiency of 24%, and guaranteed production over 30 years of operation, while the efficiency of the inverters must be around 98% by European standards.

The part of the TENT A ash disposal site allocated for the solar power plant is slated for closure, and its usable area is about 67.2 hectares. The exact usable area will be determined following the completion of the study.

The selected bidder will be required to complete the task within six months of receiving all necessary documentation from EPS.

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Energy Community Secretariat sets up renewables support hub for contracting parties

The Energy Community Secretariat has established a hub to speed up the deployment of renewables in contracting parties with a focus on transforming coal mines.

With the exception of Albania, members of the Energy Community in the Western Balkans generate electricity predominantly by burning coal from domestic mines.

Locations of depleted mines are suitable for renewable electricity plants.

The new Centre for Renewables Acceleration is a regional hub designed to provide technical support to all Energy Community contracting parties in accelerating renewable energy deployment through improved planning and coordination, according to the Energy Community Secretariat.

The center will especially help support the rollout of renewables acceleration areas (RAA) in brownfields, including coal mines.

Strengthening public trust in the energy transition is essential

In these locations, renewable energy projects can move forward more quickly through streamlined procedures grounded in strategic spatial planning that protects sensitive ecosystems, in the secretariat’s view.

It sees strengthening public trust in the energy transition as key to this mission, particularly in regions affected by coal phase-out and undergoing broader structural changes.

In the Western Balkans, the center will be supported through a partnership with the Open Society Foundations – Western Balkans (OSF-WB). The two sides recently formalized cooperation through a memorandum of understanding.

Work is complemented by the secretariat’s cooperation with The Nature Conservancy

Their activities in supporting the region include pilot interventions in contracting parties, expert exchanges, capacity-building initiatives and regional workshops.

The partnership with OSF-WB builds on the secretariat’s ongoing work in Ukraine, supported by the European Climate Foundation, which focuses on developing cross-border renewables acceleration areas in five regions bordering the EU and Moldova.

This work is further complemented by the secretariat’s cooperation with international environmental organization The Nature Conservancy (TNC), whose EU-recognized methodology for designating renewables acceleration areas informed the development of the Operational Blueprint for the Designation of RAAs in the Energy Community region and now serves as a best practice, the update reads.

Back in 2023, the secretariat and TNC formed a partnership to improve the planning and permitting procedures for renewable energy projects. TNC has implemented projects on RAAs in Serbia, Montenegro.

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Bulgaria’s coal regions to get further EUR 808 million for just transition

Bulgaria’s coal regions will receive BGN 1.58 billion (EUR 808 million) through the Just Transition program, under the European Union’s Just Transition Fund (JTF), for energy efficiency, renewable energy, and green hydrogen projects, as well as for converting mining areas for commercial use.

With a EUR 598 million program already underway, total investments in the economic transformation during and after the country’s coal phaseout would reach EUR 1.38 billion. They cover coal regions Stara Zagora, Kyustendil, and Pernik and the municipalities of Nova Zagora, Yambol, Simeonovgrad, Harmanli, Topolovgrad, Dimitrovgrad, Haskovo, Elhovo, Sliven and Tundzha.

Grants from the JTF are intended to help coal regions shut down mines and coal-fired power plants, rehabilitate land, switch to a circular and climate-neutral economy, and lift households out of energy poverty.

By the end of the year, the Bulgarian Ministry of Regional Development and Public Works will launch three new procedures for the allocation of grants, according to Deputy Minister Yura Vitanova.

One, worth EUR 153.4 million, will focus on energy communities and energy efficiency in public buildings. Another, worth EUR 72.6 million, will help small and medium-sized enterprises (SMEs) install solar panels and energy storage systems for both self-consumption and commercial use.

A third call, with a budget of EUR 242.9 million, will support the socio-economic transformation, including projects to convert mining areas into business and industrial zones.

Green hydrogen projects will be backed with EUR 134.5 million

Additionally, EUR 134.5 million will be used to fund the development of hydrogen production and transportation infrastructure in Stara Zagora. It includes the construction of a green hydrogen production complex and hydrogen charging stations, the procurement of hydrogen vehicles and hydrogen trailers, and the construction of supporting infrastructure, including photovoltaic systems and energy storage facilities.

The current JTF program in Bulgaria’s coal regions focuses on renovating residential buildings, supporting SMEs, and developing industrial and logistics parks. It also funds training and retraining programs for workers affected by the energy transition, as well as production investments in large enterprises.

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Climate won’t suffer if Romanian coal power plants keep running – energy minister

The Romanian government is in talks on postponing the coal power plant closures envisaged under the National Recovery and Resilience Plan (NRRP), according to Energy Minister Bogdan Ivan. The current deadline for decommissioning these plants is the end of 2025, but Romania is hoping to push it back to 2030.

Ivan noted that Romania’s gas and coal power generation has dropped by 56% over the past decade, with around 7,000 MW of capacity closed and only 1,200 MW replaced.

“Now I am convinced that the world’s climate will not suffer so much if Romania continues to keep its coal-fired power plants in the Jiu Valley,” the minister said, according to Profit.ro.

Ivan: Keeping the Jiu Valley coal power plants operational will not hurt the global climate

He also stressed that Romania has pursued the most aggressive decarbonization policy in the European Union, choosing 2025 as a deadline to eliminate coal-fired electricity generation, compared to Poland or Germany, which intend to use coal until 2040–2050.

Ivan explained that wind and solar capacity in Romania has been growing, but that the country needs more battery storage to better utilize its output.

Romania needs more battery storage for the growing wind and solar capacities

Romania’s former energy minister, Sebastian Burduja, said earlier this year that the country intended to extend the operation of coal-fired power plants because there was no other option to ensure energy security and replace existing capacities.

He said in January that the operating period of coal-fired power plants was expected to be extended by three years.

According to earlier reports, Romania intends to stop coal mining by 2032 at the latest, while replacing conventional power plants in the meantime. Romania’s largest producer of coal-based electricity is state-owned power utility CE Oltenia, based in Târgu Jiu. It is also the country’s third-largest producer of electricity.

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CE Oltenia to set up subsidiary to take over coal power plants slated for closure

Romanian state-controlled coal power utility Complexul Energetic Oltenia (CE Oltenia) is preparing to establish a subsidiary to take over its lignite-fired thermal power plants slated for closure and the coal mining operations that supply them.

CE Oltenia’s “lignite subsidiary” is envisaged under a restructuring and decarbonization plan approved by the European Commission, according to Profit.ro.

The subsidiary will incorporate and operate the existing lignite-based power generation units and related assets that are not planned to switch to natural gas or renewable energy sources, according to the European Commission’s decision from 2022 approving state aid for CE Oltenia’s restructuring.

The state aid Romania planned to grant CE Oltenia amounted to EUR 2.66 billion.

The subsidiary will operate coal-fired plants that are not planned to switch to gas or renewables

CE Oltenia’s decision to start the separation of lignite-related activities into a separate subsidiary was adopted as early as 2023, but nothing has been done since then.

Now, the company has launched a procedure to select a consultant and intends to award a contract by winter, with a deadline of about six months for the delivery of services.

The new firm is to be created before the end of CE Oltenia’s restructuring period, i.e. before the end of 2026, according to the commission’s decision. It further states that the lignite capacities in question should decrease over time and eventually be phased out, in accordance with the national coal phase-out timetable.

CE Oltenia is building 550 MW of solar power plants at former coal mines

Earlier this year, a joint venture between CE Oltenia and oil and gas company OMV Petrom signed an agreement with contractors to design and install four solar power plants at former coal mines, with a combined capacity of about 550 MW.

According to Profit.ro, Romanian Energy Minister Bogdan Ivan said last month that Romania was in talks with Brussels on a 5-year postponement of the deadline for closing lignite-fired power plants, envisaged by the country’s National Recovery and Resilience Plan.

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Worrying results of coal, overburden production in BiH’s power utility

Coal deliveries to thermal power plants in the first half of the year reached 73% of the plan, while only 43% of the overburden excavation target was achieved, warned Sanel Buljubašić, CEO of Bosnia and Herzegovina’s state-owned power utility Elektroprivreda Bosne i Hercegovine (EPBiH).

Increasing coal production is the only way to stabilize the energy system in the Federation of Bosnia and Herzegovina (FBiH), Sanel Buljubašić told state news agency Fena. Focus.ba republished the report.

FBiH is one of the two entities making up BiH. The other one is the Republic of Srpska.

The chief executive pointed to the significance of coal, stressing that 80% of EPBiH’s production comes from coal power plants, with hydropower plants providing the remainder.

Of note, the company recorded a loss of BAM 45.47 million (EUR 23.25 million) for the first half of this year. BiH’s electricity imports were 4.5 times higher than in the same period of 2024.

Buljubašić: We will fulfill our obligations only if the mines fulfill theirs

Buljubašić recalled that the Government of FBiH raised the price of coal at the beginning of 2024 and signed a new collective agreement in the mining sector to demonstrate its commitment to improving working conditions for miners and their status.

The coal mines are operating under an entity called EPBiH Concern. They must produce the planned quantities of coal, which have been jointly agreed and contracted, the CEO underscored and added that EPBiH would meet its obligations only if the mines do the same.

Buljubašić said RMU Breza and RMU Đurđevik are facing the most pressing issues while that RU Kreka is making its best result of the past three years. Coal mine operators RU Kreka, RMU Kakanj, and RMU Abid Lolić have increased production, he added.

Of the nearly 5,000 workers, 1,226 are occupationally disabled

The company head said EPBiH Concern’s mines employ 4,967 workers, of whom 1,226 are occupationally disabled. Additionally, on average, between 1,500 and 1,700 employees are absent every day for various reasons, such as annual leave or sick leave.

In his words, restructuring would imply a program for surplus workers at RMU Zenica, closing mines that are technologically and economically unviable and continuing investments by procuring equipment for economically viable mines to increase productivity.

One of the main problems is the devastated coal deposits, a result of years of delay in overburden excavation, Buljubašić stressed.

Just transition includes mine shutdowns, installation of solar power, batteries, and the use of biomass

The just transition project in BiH’s coal regions, estimated at BAM 160 million (EUR 81.8 million), is being implemented with a World Bank loan. Most of the funds will be spent on closing mines and taking care of surplus employees of RMU Zenica, repurposing RU Kreka’s land, building the 12.2 MW Dubrave photovoltaic plant, repurposing the land of RMU Banovići and installing another solar power plant, of 15 MW, the CEO explained.

He pointed out that the authorities are preparing a law on the closure of Zenica mines — the first such legislation in BiH.

Green investments within a just transition platform for coal regions can include the construction of battery energy storage systems (BESS) and fast-growing biomass plantations, according to Buljubašić.

He announced that EPBiH would soon present its Prosumer 5000+ project and a long-term development plan for EPBiH for the period 2025-2050, within the energy sector development strategy.

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Slovenia’s sole coal-fired power plant Šoštanj to keep main unit offline until fall

As of this year, Slovenia’s only coal-fired power plant, Termoelektrarna Šoštanj (TEŠ), has shifted its primary focus to supplying heat, with electricity now sold as a byproduct. The ongoing overhaul of its unit 6 is expected to be completed in the coming days, but the 600 MW block will not be restarted until the end of September, when demand for heat is set to rise.

As part of the coal-phaseout process, targeted for completion in 2033, the Government of Slovenia decided last year to set aside EUR 403 million to save TEŠ and coal mine Velenje from bankruptcy and take over both from state-owned power utility Holding Slovenske Elektrarne (HSE).

TEŠ hopes the fall months will drive revenues

TEŠ hopes that the fall months will enable it to meet this year’s revenue target, as the operation of unit 6 is unprofitable in the summer due to low market prices for electricity and reduced demand for heat. This year, the power plant aims to earn EUR 400 million from the sale of heat and electricity.

Apart from unit 6, TEŠ operates only one other coal-fired generator, unit 5, with a capacity of 345 MW, while its first four blocks have been shut down.

The changed circumstances have been challenging for TEŠ, according to its CEO, Branko Debeljak. As HSE no longer sells TEŠ’s electricity, the plant had to set up its own sales department and seek customers on the market. Even so, the first four months of 2025 were quite successful when it comes to electricity sales, says Debeljak. The plant sold 1,045 GWh of electricity, generating revenues of EUR 138 million, or EUR 29 million more than initially planned, according to him.

The overhaul of unit 6 began in April

The overhaul of unit 6 began on April 22 and was expected to be completed by June 20. However, due to delays in the delivery of components, it had to be extended until early July. The completion of the overhaul will be followed by a short trial run, and a restart is planned at the end of September when the need for heat supply is set to rise again.

Slovenia aims at a 55% drop in emissions by 2033, and an early closure of its only coal-fired plant could help achieve that target. It seems likely that TEŠ will be shut down within a few years or operate at minimum capacity.

In June, Ireland’s Moneypoint power plant stopped burning coal, marking the end of coal use in the country. Slovakia and Spain officially intend to exit coal in 2025, followed by Greece (2026), France and Hungary (2027), and Denmark and Italy (2028). However, the dates could be pushed forward, and more countries could join the group in the meantime.

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Turning abandoned coal mines into PV plants could boost global solar capacity by 15%

Building photovoltaic plants on abandoned open-pit coal mines could add nearly 300 GW of new solar worldwide, equivalent to 15% of the current global capacity, according to a survey by Global Energy Monitor (GEM). Greece and three Western Balkan countries are among the global leaders in projects to build solar at abandoned coal mines.

It shows that over 300 open-pit coal mines recently out of commission could house around 103 GW of photovoltaic capacity, while upcoming closures of 127 large operations could host an additional 185 GW of solar. Nearly all abandoned coal mines and upcoming closures covered by the survey are in close proximity to existing grid infrastructure, including substations and transmission lines.

The 15% increase in solar capacity could cover the electricity needs of Germany

GEM estimates that this 15% increase in the global solar capacity would be roughly enough to meet the annual electricity consumption of a country like Germany. The report also notes that coal mine to solar conversion is a practice that aligns land reclamation with clean energy goals and local job creation.

GEM recalls that in 2024, total solar capacity additions in the world reached a record 599 GW, with more than 2 TW of utility-scale projects currently under development.

GEM: China is the global leader in coal-to-solar transition

China is the global leader in coal-to-solar conversion, with 90 projects already operational, totaling 14 GW, and 46 more in the pipeline, with a combined capacity of 9 GW, according to GEM’s survey. Australia has 2.7 GW of announced projects, followed by the United States, with about 1.3 GW of announced projects and as much in the pre-construction phase.

In Europe, Greece leads the way, with 1.44 GW of announced projects and 550 MW in the pre-construction phase, while Germany has a total of 868 MW, of which 20% are already operating and 75% are in the pre-construction phase, according to GEM’s data.

In the Western Balkans, North Macedonia has 100 MW of projects under construction and another 100 MW announced, followed by Bosnia and Herzegovina, with 115 MW in the pre-construction phase, and Serbia, with 97 MW of announced projects.

GEM’s survey covered only open-pit coal mines decommissioned in the last five years and those whose closure is expected by the end of 2030.

However, according to announcements from developers and grid operators, several large-scale PV projects on coal land have already been completed in the region tracked by Balkan Green Energy News.

In Greece, the capacity in operation is nearing 1 GW. In North Macedonia, a part of the REK Oslomej coal power complex is now home to three solar power plants, with a total capacity of 140 MW, while in Serbia, the 9.75 MW Petka PV plant is about to go online.

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