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Green solutions in practice: Roundtable in Knjaževac points the way to a sustainable, energy-efficient future

A roundtable titled Green Solutions in Practice, held in the eastern Serbian town of Knjaževac, brought together local government officials, experts, rural tourism providers, entrepreneurs, and citizens to exchange experiences on renewable energy sources and energy efficiency.

The event was organized by the Regional Development Agency of Eastern Serbia (RARIS) as part of the Promotion of Renewable Energy Sources and Energy Efficiency in Eastern Serbia project, implemented by German Cooperation in Serbia GIZ. The gathering demonstrated that eastern Serbia is becoming an increasingly active player in implementing green solutions and strengthening energy sustainability.

The roundtable Green Solutions in Practice was opened by Saša Petrović, Deputy Mayor of Knjaževac, who highlighted the importance of the green transition for promoting rural development and improving the quality of life.

Daniela Kostadinova, a representative of GIZ, presented the organization’s contribution to achieving energy sustainability in Serbia. She said that the project’s results so far have been highly significant, but added that she believes further development and awareness-raising are still necessary.

Photo: RARIS

Kostadinova also stressed the importance of financial support for citizens to implement energy efficiency measures, and she pointed out that energy poverty should be the next priority to address. She expressed hope that some ideas would be realized by the end of the Promotion of Renewable Energy Sources and Energy Efficiency in Serbia project, which runs until December.

Expressing her satisfaction at the opportunity to visit partner municipalities, Kostadinova noted that GIZ strives to provide both advice and support to its partners in the implementation of projects. She added that long-term success is extremely important to GIZ, which seeks to maintain its reputation as a high-quality and reliable partner.

Empowering eastern Serbia through renewable energy

Vladan Jeremić, Director of RARIS, presented the results of the Promotion of Renewable Energy Sources and Energy Efficiency in Eastern Serbia project. Four key results have been achieved: establishing a regional platform for renewable energy and energy efficiency in Eastern Serbia as a mechanism for aligning the positions, interests, and policies of key local and regional stakeholders; strengthening regional capacities; opening the Energy Advisory Center; and raising public awareness about the importance of renewable energy sources and energy efficiency.

Jeremić: People are eager to learn about renewable energy sources and energy efficiency

As a result of the regional platform’s work, the first renewable energy and energy efficiency fair was held in Zaječar. Numerous workshops and training sessions have been organized, and a guide on applying renewable energy and energy efficiency in rural tourism has been produced.

According to Jeremić, the project has shown that people are eager to acquire the knowledge they need to improve their lives in practice, making them more cost-effective, affordable, and sustainable, while also contributing to the energy transition.

“At the initiative of citizens, although it wasn’t planned within the project, we organized the fair. Even though we didn’t have an appropriate exhibition space, and despite the demanding nature of such events, we worked with great enthusiasm. The fair brought together technicians, engineers, and representatives of local governments and the private sector, many of whom are here today, which we see as a strong indicator of our success,” he said.

Managing energy efficiently in rural tourism

As part of the project, an interesting guide has been prepared for owners of rural tourism households, offering practical tips for improving energy efficiency, reducing costs, and introducing sustainable solutions into their business.

Ivan Svetozarević, the author of the guide and owner of a rural tourism household called Gorski konak in the village of Zubetinac, presented the guide through an engaging presentation filled with personal examples. The presentation addressed the question of how to manage energy efficiently in rural tourism. Situated on the slopes of Stara Planina, Gorski konak stands out as a model of sustainability.

Photo: Ivan Svetozarević / RARIS

The Svetozarević family equipped the household with solar panels, solar collectors for water heating, and a heat pump. Guests can use electric bicycles to reduce car use and emissions. Cooperation with neighbors and local producers further enhances the sustainability of the entire complex.

“My wife and I have been in this for over 20 years, but only a few years ago did we have the opportunity to install solar panels and a heat pump. Sustainability is actually our way of life,” said Svetozarević.

Multidisciplinary approach as a key to communication

Maja Lalić, Creative Director of the Mikser Festival, emphasized the importance of communication in promoting sustainable practices and raising public awareness about renewable energy sources and energy efficiency.

“The Mikser Festival is a partner of GIZ in popularizing these topics, seeking to involve the culture and creative industries sector, which has so far been rarely represented in discussions on renewable energy and energy efficiency. As a multidisciplinary platform, Mikser brings together numerous actors from different fields and engages in citizen education to bring these important topics closer to a wider audience,” she said.

For years, the organization has been staging events in revitalized abandoned industrial facilities as part of circular economy measures, applying various sustainable practices, such as issuing e-tickets, using reusable cups, and avoiding PVC branding.

Photo: RARIS

In cooperation with GIZ, this year’s edition of the festival developed an interactive educational program to increase energy literacy among three target groups: architecture and design professionals, young people, and the general population. The program included a panel discussion titled New Citizen Energy, where experts and prosumers dispelled myths about energy, shared experiences, and presented local challenges and solutions.

A special focus was placed on youth and children through workshops, empowering them to become agents of community change and develop creative ways to raise energy awareness and sustainable habits.

Mikser as a communicator and a dissemination platform

Maja Lalić highlighted the importance of decentralization, noting that successful initiatives from different parts of Serbia are encouraging, though they often remain less known to the wider public.

“Mikser positions itself as a communicator and a platform for disseminating success stories, giving people and communities space to share their experiences and inspire others. It is precisely this openness that makes the festival a dynamic place of meeting and exchange, supporting the further development of sustainability,” she said.

Examples of good practice

The application of renewable energy sources and energy efficiency measures goes far beyond installing solar panels or replacing windows, as demonstrated by various innovative examples of good practice.

Ilija Stevanović from the Mihajlo Pupin Institute presented innovative solutions developed in cooperation with farmers, schools, and festivals. As a special example, he cited the “digitalized field” implemented in collaboration with farmer Nikola Lončar from Belegiš and the smart device Mobisan – a mobile solar power generator.

Mobisan combines soil sensors, a weather station, and wireless communication to collect data on microclimate and soil conditions, enabling automated irrigation and fertilization. The device is controlled remotely and powered by solar panels, saving resources and reducing the use of chemicals.

Ognjen Tomašević from the Exit Foundation presented the “Green Exit” initiative and plans to improve the energy efficiency of one of the region’s largest events.

Innovative solutions are contributing to the festival’s energy efficiency

In addition to recycling, which has been a focus of the Exit Festival’s activities for five years, a “solar guitar” and gramophone-shaped solar collectors have been developed in cooperation with the Mihajlo Pupin Institute. These two devices provide electricity and hot water to Exit camp users, aiming to improve its energy efficiency.

Photo: Solar guitar / Mihajlo Pupin Institute

Aleksandar Branković, the owner of one of the first home solar power plants in eastern Serbia, presented his 6.7-kilowatt system installed back in 2013, making it one of the first in Serbia.

Vladan Dragićević, energy manager at the Municipality of Knjaževac, presented the achievements of the Energy Advisory Center. “The Energy Advisory Center is not just a place – it is a network of trust, a space where knowledge turns into savings and the energy transition into an opportunity for all,” he emphasized.

More than 70 citizens have received support at the Energy Advisory Center

The center provides relevant information and advice enabling citizens and businesses to use energy more efficiently, reduce costs, and even generate additional income. To date, more than 70 citizens have received advisory support.

The center is open for both individual consultations and group discussions on various topics, and it offers all necessary advice related to energy efficiency.

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Prime Batteries expanding battery storage manufacturing capacity in Romania

Prime Batteries Technology started the works on multiplying the capacity of its battery storage factory in Bucharest, despite the deteriorating prospects for its industry segment in Romania. Czechia-based Tesla Group has given up on a manufacturing facility project worth almost EUR 100 million, even with state aid approved. The government’s renegotiation of a funding package with the European Union resulted in erasing EUR 150 million in grants.

Prime Batteries Technology or PBT got a major investor on board and launched the works on the expansion of its factory in Romania. Earlier this month, the company obtained the building permit for boosting the capacity in Bucharest to 8.5 GWh per year from the current 2.5 GWh, Chief Executive Officer Vicențiu Ciobanu revealed at a conference organized by Energynomics.

Prime Batteries expects to grow its operational portfolio to 226 MWh this month. The facilities are within existing renewable electricity plants – mainly photovoltaics. The company expects to deliver another 152 MWh in the same segment and another 227.8 MWh in standalone battery energy storage systems (BESS) before the end of 2025.

The rest of the 800 MWh target for this year is due by the end of March. PBT also manufactures batteries for electric vehicles, industrial production and electricity grids.

Private equity firm T2Y steps in, confident in manufacturing investment bet

Prime Batteries has just welcomed private equity firm T2Y on board. According to the announcement, their goal is to surpass 8 GWh in annual capacity by 2030. T2Y became the second-largest shareholder, while Prime Batteries Technology’s Founder Adrian Polec controls the largest stake, Handelsblatt reported.

The company has a supply chain independent of China, T2Y’s Founder Patrick Bettscheider pointed out. He noted that PBT’s machines are Korean while the suppliers are Japanese, Korean and European.

The battery manufacturer has also agreed a partnership with Monsson for the development of projects for 1.07 GWh of storage capacity in Romania and Europe. In addition, Prime Batteries introduced a battery-as-a-service (BaaS) offer for the commercial and industrial segment.

Tesla Group backs out with major loss as EU fails to address Chinese subsidies

Launching the construction of another factory occurred at a hard time for investors in battery manufacturing in the country, but also Europe.

Tesla Group from the Czech Republic recently canceled a project in Romania estimated at almost EUR 100 million, including EUR 39.4 million in state aid. The company acknowledged that it already spent EUR 10 million before the pullout: on land in Brăila for the planned factory, technology, procurement and tenders.

Among other headwinds, Tesla Group cited the significant decline BESS equipment prices and the bankruptcy of major players

Namely, the situation worsened in June 2024 as global competition intensified, Tesla Group stressed, as quoted by Profit.ro. It cited “heavily subsidized Chinese manufacturers” together with “the lack of effective trade protection policies at the EU level,” the significant decline in prices of BESS and the bankruptcy of major players such as Northvolt in Sweden.

The Czech firm said it has become “impossible to sustain or expand battery production operations in Europe.”

Lyten, headquartered in the United States, agreed in July to take over Northvolt.

Romania folds plan to make BESS manufacturing its strategic sector

On top of it all, Romania has lost EUR 150 million in EU grants for battery production, assembly and recycling, according to a document from the Ministry of Energy that the same media outlet saw. The sum was from the National Recovery and Resilience Plan (NRRP or, in Romanian, PNRR), which the government is renegotiating with the administration in Brussels.

Two beneficiaries have requested that their funding contracts be canceled. The ministry will scrap another three, the article reads.

Notably, several contracts for hydrogen production and manufacturing facilities for solar panels have been suspended. Financial support for two cogeneration plants was reduced. Greece, Bulgaria and Romania have been breaching deadlines for reforms and procedures for EU subsidies for batteries, but also other investments essential for the energy transition.

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YESS Power set to commission Western Balkans’ first large battery energy storage system

YESS Power said that in November it plans to commission a 60 MW battery energy storage system (BESS) in North Macedonia. The Turkey-based contractor is installing the facility for Mey Energy at the site of the client’s solar power plant in Novaci. It would be the first large BESS and hybrid power plant in the region.

While the Western Balkans still doesn’t host any utility-scale BESS, giant leaps forward are seen in North Macedonia. Fortis Energy intends to expand its Oslomej solar power plant with one such facility, while Zen Energy Group has started the installation of a hybrid energy plant of the same kind. In addition, Turkey-based engineering, procurement, installation, and commissioning contractor YESS Power is spearheading the project for the addition of a BESS to the Novaci photovoltaic plant.

When Mey Energy put the 55 MW solar park into operation two years ago, it was the biggest in the said region. Now YESS Power, in cooperation with battery manufacturer Cubenergy from China, is installing a BESS of 60 MW at the site for the client.

With the commissioning date scheduled for November, it is about to become the first large battery energy storage facility in North Macedonia and the Western Balkans.

Novaci was the biggest PV park in the region when it was built in 2023

YESS Power, Topkapı Endüstri’s new brand, is responsible for engineering, installation, technical services and maintenance of the battery segment of the future hybrid power plant.

Mey Energy’s Novaci solar power plant spans 57 hectares. It generates 85 GWh per year, equivalent to the electricity demands of 30,000 households in the country. Notably, the PV system is next to the open pit coal mines of the REK Bitola energy complex, which includes a thermal power plant.

YESS Power said it specializes in scalable, secure, turnkey energy storage solutions for solar plants, industrial facilities, grid support and microgrids. It revealed that the current project marks the beginning of a “a broader strategic partnership in the Turkish and Eastern European markets” with Cubenergy.

In the wider Southeastern European region, Romania, Bulgaria and Turkey are massively adding BESS capacity. The remaining countries remain slow with administrative changes, planning and investment.

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Fortis Energy preparing to build solar-battery hybrid power plant in Serbia

Fortis Energy has obtained a construction permit for a solar park of 270 MW on the territory of the city of Sremska Mitrovica in Serbia, Mayor Branislav Nedimović said. The company plans to include a battery energy storage system (BESS) of 36 MWh.

Turkey-based Fortis Energy bought a solar power project in Serbia last year, which would have a 180 MW grid connection. At the time, the company announced that it also planned a battery energy storage system of 36 MWh. Chief Operational Officer Velimir Gavrilović said in May, at Belgrade Energy Forum (BEF 2025) that the projects Noćaj 1 and Noćaj 2 are nearing a ready-to-build status.

After his recent meeting with the representatives of Fortis Energy, Mayor of Sremska Mitrovica Branislav Nedimović said the company has obtained a construction permit for the solar park. The transmission permit is expected within three months, and the works are beginning in the spring, he revealed. Sremska Mitrovica is a city west of Belgrade.

The location is on private land just south of the river Sava, toward Drenovac village in the Mačva area, Nedimović asserted. He said the solar power plant’s capacity would be 270 MW.

Fortis Energy received a construction permit for a proposed solar park across the river from Sremska Mitrovica

In May, the company signed a contract for the connection of its planned solar park Erdevik in Šid, a municipality bordering Sremska Mitrovica. The plan is to install 110 MW in peak capacity, with a BESS system of 31.2 MWh.

The developer and engineering, procurement and construction (EPC) contractor is working on wind power projects Vranje, Gornjak and Juhor.

The company has five biogas facilities in Serbia of 21 MW altogether.

Last year in North Macedonia, Fortis Energy commissioned a photovoltaic plant of 79.9 MW in peak capacity in Oslomej in North Macedonia. The grid capacity is 68.7 MW.

The company said in February that it contracted the construction of a BESS of 62 MW at the same location. It opted for lithium ion batteries of 104 MWh in total capacity, which means that they can run at full power for two hours.

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EU launches EUR 17.5 billion energy efficiency initiative for SMEs

The European Union plans to double its support to small and medium-sized enterprises in the 2025-2027 period for investments in energy efficiency and decarbonization.

The European Commission and the European Investment Bank (EIB) Group have launched a EUR 17.5 billion financing initiative.

According to the commission, more than 350,000 companies across Europe are set to make energy efficiency and decarbonization gains through the scheme.

The initiative for energy efficiency for small and medium-sized enterprises (SMEs) is led by the EIB Group. It aims to help firms utilize proven energy-saving technologies to reduce their energy bills and enhance their resilience and competitiveness, the commission underscored.

The EU expects to mobilize over EUR 65 billion in overall investments

The program will use a combination of existing and new financial products, including debt and equity instruments. The EU expects to mobilize over EUR 65 billion of investments in the segment by 2027.

To streamline access and support for businesses, the initiative will introduce a “one-stop shop for energy efficiency for SMEs,” the update adds. The commission explained that a single-entry point would integrate EIB Group’s intermediated lending offering and added it would simplify engagement and accelerate implementation.

The backing by the commission will include EU budget guarantees

The commission’s backing will include EU budget guarantees offered through the InvestEU mechanism and LIFE environmental program.

EU Commissioner for Energy and Housing Dan Jørgensen pointed out that SMEs invest in energy efficiency at only half the rate of larger companies. “This EIB initiative supported by the commission will be key to closing the investment gap, simplifying access to financing, and accelerating the deployment of energy efficiency solutions,” he added.

According to EIB Group President Nadia Calviño, the initiative represents a significant step up in support to help companies cut energy costs.

“Servitisation” or energy efficiency as a service

The EIB said it is partnering with the Solar Impulse Foundation, a nonprofit organization, to promote a model known as “servitisation” or energy efficiency as a service.

For example, instead of purchasing energy-efficient heating or lighting equipment, SMEs pay for the warmth or light they use. The service provider retains ownership of the equipment and ensures its performance. EIB stressed that the model eliminates upfront investment costs for businesses, making it easier and faster to adopt energy efficiency measures.

“The Solar Impulse Foundation has already identified over 1,600 profitable solutions that prove efficiency is not a cost but a gain. With this initiative, we can now bring these innovations to hundreds of thousands of SMEs across Europe,” said Bertrand Piccard, initiator and chairman of the Solar Impulse Foundation.

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Romania risks blackouts if it shuts coal plants as scheduled

Minister of Energy Bogdan Ivan claims that energy poverty or even blackouts could hit Romania if it proceeds with the closure of coal plants. Namely, the gas power projects for replacing them are suffering severe delays.

The European Commission has become flexible for the first time in the last four years, said Romania’s Minister of Energy Bogdan-Gruia Ivan. He has asked for a postponement of the deadline for shutting down a group of coal power plants.

They need to be closed by the end of the year. If the coal plants, run by state-owned Complexul Energetic Oltenia (CE Oltenia) go before gas power plants Iernut and Mintia are commissioned, Romania is jeopardized, according to the minister.

Ivan told Digi24.ro he was negotiating with the European Commission on delaying the closure by “a few months.” Romgaz decided last week to cancel the contract with Duro Felguera, the contractor for the Iernut facility.

Energy poverty risk increasing

A study conducted with Romania’s transmission system operator Transelectrica has shown that Romania can otherwise end up in energy poverty and even risk a blackout, he underscored. “Especially in the winter, when we have no solar, when we have no wind power,” Minister Ivan explained.

Furthermore, Romania would like to keep three large coal units and another two in technical reserve for replacement them in case of damage, Ivan revealed. It would ensure a 1 GW minimum coal power supply, he asserted.

Romania requires at least 1 GW in baseload energy from coal for two more years, according to Minister Bogdan Ivan

Simulations showed that the group would need to operate for two years more, at least, until Iernut and Mintia are completed.

“We are pressed for time. We need to conclude contracts for next year. We need to conclude contracts for energy supply, contracts with suppliers, coal stocks. It is a complex of factors that must be organized very well from now on. It is already late, for Romania and for our energy companies,” Ivan stated.

Gas power projects in constant delay

Additionally, gas power plants Turceni (475 MW) and Ișalnița (850 MW) are supposed to replace some of the capacity in the Oltenia complex. The two projects suffered constant delays. The deadlines in the tenders for construction have been pushed back to September 30 and November 14, respectively.

Romania has received billions of euros from the European Union for gas power plants to substitute coal, the minister noted separately. He acknowledged that the projects are still on paper. That’s why today Romanians have almost the highest electricity price in Europe, Ivan claimed.