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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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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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Kragujevac heating plant begins ash removal from disposal site in city center

District heating plant Energetika has begun removing coal ash from an uncovered disposal site that has been polluting air and soil for years in the heart of Kragujevac, Serbia’s fourth-largest city. The effort is part of a project financed by an EUR 18 million loan from the European Bank for Reconstruction and Development (EBRD), to decarbonize the local district heating system.

The ash from Kragujevac is transported to cement plants in Kosjerić and Popovac to be used in the production of cement and construction materials, in line with circular economy principles, according to Serbian Minister of Environmental Protection Sara Pavkov.

On the first day, about 75 tons of ash was removed from the site, with plans to transport a total of 60,000 tons over 24 months.

The ash will be used in cement production in Kosjerić and Popovac

Ash removal is the second phase of the district heating decarbonization project in Kragujevac. In the first phase, old boilers were replaced with gas-fired units, significantly reducing air pollution, according to Dejan Ružić, deputy mayor of Kragujevac. This marked the end of coal use in the city’s district heating system.

The EBRD approved the loan for the project in 2021. Of the total amount, EUR 14 million was earmarked for boiler replacement, together with up to EUR 4 million for ash removal.

In the first phase, coal-fired boilers were replaced with gas-fired units

The bank said at the time that gas-fired boilers would have a capacity of 110 MW and that CO2 emissions from district heating would be cut by an estimated 66%, with sulfur dioxide and particulate matter (PM) emissions eliminated.

The Ministry of Environmental Protection has hired Novi Sad-based engineering and consultancy firm AG Institut to monitor the ash disposal services under a EUR 73.900 contract. The works are targeted for completion by July 15, 2027.

Aleksandar Lazović, general manager of the district heating plant, said the works would be carried out in line with the highest environmental standards, in a covered area, to prevent ash from dispersing into the environment.

District heating decarbonization in several Serbian cities

In June this year, Serbia and the EBRD signed a EUR 50 million loan to finance a series of air quality projects in Belgrade, Niš, Valjevo, Zaječar, Novi Pazar, and Smederevo, which had been mapped as cities with the largest excesses of harmful emissions.

The planned projects include replacing outdated boilers running on fuel oil, coal, and other air-polluting fuels with modern and sustainable heat energy sources, such as heat pumps, biomass, and industrial waste heat.