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The City of Novi Sad plans to produce electricity and heat from solid municipal waste and has invited bids for a preliminary feasibility study for a cogeneration plant that would burn processed waste from a planned regional waste management center. Surplus energy could be stored within the future solar thermal system.
Serbia’s capital, Belgrade, already has a combined heat and power plant (CHP) that uses municipal waste. As such facilities exist all over Europe, the public call specifies that the study must include an overview of relevant examples and best practices.
The study is to assess the feasibility of obtaining energy from waste processed into refuse-derived fuel (RDF) and solid recovered fuel (SRF). The fuel would be produced in a mechanical-biological treatment (MBT) plant for biodegradable waste within the future regional waste management center for Novi Sad and the municipalities of Bačka Palanka, Bački Petrovac, Beočin, Žabalj, Srbobran, Temerin, and Vrbas, according to the public call.
The bid submission deadline is December 15, and the study must be completed within 180 days of the contract signing. The job is valued at RSD 22 million.
The purpose of the study is to provide a preliminary assessment of the potential for and benefits of using available solid fuel from waste for high-efficiency cogeneration for the city’s needs, as well as the feasibility of building a CHP plant fueled by RDF and SRF, according to the public call.
The cogeneration plant could burn up to 40,000 tons of solid waste fuel per year
The MBT plant at the regional waste management center is expected to produce between 30,000 and 40,000 tons of solid fuel for cogeneration. The planned location of the plant, along with a fuel storage facility, is adjacent to the existing landfill in Novi Sad, according to the documentation.
The preliminary feasibility study should propose the optimal site for the cogeneration plant, taking into account the infrastructural capacity for connection to Novi Sad’s district heating system and the distance from the fuel storage facility.
The authorities suggest that the site should be in the vicinity of the TE-TO cogeneration plant in Novi Sad due to its excellent connections to the power grid and the city’s district heating system. In addition, this site will host a planned solar thermal system, whose underground storage facility would be able to store excess energy from the waste-to-energy plant during the summer.
Surplus energy could be stored in the future solar thermal system
The project has secured an EUR 85 million loan from the European Bank for Reconstruction and Development (EBRD) and a grant of EUR 24.7 million from the Western Balkans Investment Fund (WBIF). The system will have a storage capacity of around 870,000 cubic meters, solar collectors with a total capacity of 31 MW, heat pumps with a capacity of 17 MW, and two electric boilers with a combined capacity of 60 MW, according to the EBRD website.
The proposed location for the cogeneration plant should also take into account Novi Sad’s newly-built heating plant, Majevica, which is expected to become operational by the end of the year.
The study should propose the optimal technology for solid fuel incineration, a preliminary design for the cogeneration plant, as well as systems for flue gas cleaning and ash management, according to the documentation.
Since the City of Novi Sad plans to apply for grants from international institutions and funds for the preparation of technical documentation and further project development, the public call states that the study should be carried out in line with the methodology of international financial institutions such as the World Bank, the German development bank KfW, and the EBRD, including a financial analysis and an assessment of CO₂ emission reductions.
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