August 18, 2025
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North Macedonia’s draft law envisages renewable energy auctions for CfDs

North Macedonia drafted the Law on the Use of Energy from Renewable Sources to facilitate a decrease in fossil fuel consumption and a rise in the share of green energy. The legislation introduces market premiums under two-way contracts for difference (CfDs), which would be approved through renewable energy auctions. It also regulates net metering and net billing for prosumers and defines renewable energy communities.

The Ministry of Energy, Mining and Minerals of North Macedonia called on citizens, experts and stakeholders to submit opinions and proposals for the draft Law on the Use of Energy from Renewable Sources. It will regulate the segment separately for the first time, “following the example of a large number of countries in the region and the EU,” the statement adds.

The public debate lasts until August 30. According to the ministry, the most significant novelty is the two-way contract for difference (CfD). It is defined in Macedonian as contract for market settlement of the price difference. The bill envisages awarding such market premiums through renewable energy auctions.

It is a mechanism that guarantees financial stability for renewable energy producers and protects consumers from extreme price fluctuations, the ministry argued. The draft is fully aligned with the European Union’s energy legislation including the Renewable Energy Directive (RED3), the update adds.

Basis for renewables deployment in heating, cooling, transportation

The proposed measures aim to lower the use of fossil fuels and grow the share of renewables in gross energy consumption, the ministry added. They facilitate support for long-term investments and faster deployment of renewable energy in heating, cooling and transportation, it underscored.

Guarantees of origin of electricity are included in the bill, together with a framework for international cooperation and energy markets.

The draft establishes the basis for the establishment of renewable energy communities of citizens and companies and other legal entities such as local authorities. The scope also involves net metering and net billing for prosumers – “consumers-producers.”

Multiapartment structures can become prosumers with units up to 50 kW

While the ministry earlier said it would raise the upper capacity limit for prosumers in the segment of households to 10 kW, the ceiling in the draft law is 10.8 kW for individual homes and 50 kW for multiapartment structures. The draft also introduces the collective prosumer, a group of citizens and commercial entities residing in the same building or apartment complex.

Prosumers with units up to 16 kW would be in the net metering mechanism. Net billing is for 16 kW to 50 kW, and larger facilities are envisaged for a commercial supply scheme.

Notably, prosumers operating power plants of over 300 kW are obligated to cover the balancing expenses, the text reads.

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August 12, 2025
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Wind power takes lead in new renewables investment wave in Romania

The rising number of maturing wind power projects and the ones under construction in Romania has highlighted the increasing role of the technology for the country’s energy transition. The recent updates are for three locations in the country’s east.

Investments in wind power in Romania are rebounding from a long lull. According to the International Renewable Energy Agency (IRENA), the country hosted nearly 3.1 GW in wind power capacity at the end of 2024. It achieved a peak of 3.24 GW a decade before. Investors are maturing an increasing number of projects or beginning construction, alongside significant acquisition activity.

Together with a wave of investments in battery storage, the wind power segment is making the domestic renewable energy market more balanced. It was dominated by photovoltaics for several years – primarily by the meteoric rise in the number of prosumers. Of note, there were 228,302 at the end of May, operating 2.73 GW in capacity.

New Minister of Energy Bogdan Ivan recently estimated that another 3.2 GW of solar and wind power combined would come online in Romania by the end of 2026.

Wind park of over 250 MW in Ialomița to be completed in 2027

The administration of Ialomița County in the country’s east announced that KKR, its subsidiary Greenvolt and Renovatio would build a wind park of more than 250 MW. It would consist of three power plants in the area around Țăndărei, Gheorghe Lazăr, Grivița and Ograda.

According to the regional authority, the Ialomița wind farm project east of Bucharest is worth more than EUR 400 million. Its completion is expected in 2027.

Greenvolt has won support for more than half of capacity in its Ialomița Nord wind power project at the government’s first wind and solar power auction, through a contract for difference (CfD). Total investment is for 246.4 MW.

Greek renewables giant to start construction of two wind power plants

HELLENiQ Renewables Romania, operating under Greece-based HELLENiQ Energy, acquired Ansthall Green Energy from OX2. The project firm owns a ready-to-build wind project in Scânteiesti in Galaţi in eastern Romania, with a licensed capacity of 96 MW.

The Greek parent company said construction is starting immediately through a deal with OX2 Construction. It expects to put the facility into operation in 2027.

It has a 12-year virtual power purchase agreement (PPA) with Koninklijke Ahold Delhaize, for 158 GWh per year. The company operates supermarket chains. Total annual output is estimated at 309 GWh.

HELLENiQ Energy revealed that it has bought two ready-to-build projects of 282 MW in total

HELLENiQ Energy’s Romanian company also signed a contract to take over Helios and Wind Energy, a special purpose vehicle owning a ready-to-build wind project in the nearby Vaslui region. The licensed capacity is 186 MW and there is an option to add a battery energy storage system (BESS). It would have 186 MW in operational power as well and a duration of one hour, translating to 186 MWh.

Regulators in Romania must approve the agreement before the transaction.

In addition, the company completed the purchase of a ready-to-build PV project of 123 MW in peak capacity. The location is in Haskovo region in southern Bulgaria, which marks HELLENiQ’s entry into the country. The solar power plant can include a BESS facility of 90 MW and 180 MWh.

The company previously known as Hellenic Petroleum (HELPE) intends to start the construction of two BESS in its home market. They would have 50 MW and 200 MWh altogether. The two endeavors in Florina were among the winners in the third auction for battery storage in Greece.

Turkish company, Romanian footbal star’s daughter advance joint project

The third recent update is for one of the biggest planned wind farms in Romania, also in the east. The location for the Dăeni project is in Tulcea county. It has received the grid connection approval from Transelectrica and an environmental permit from the National Environment Protection Agency (NEPA or, in Romanian, ANPM).

Project documentation for the wind power plant of 56 turbines of 7.2 MW each shows the facility should be commissioned by the end of 2031, Profit.ro reported. It translates to 403.2 MW in nominal capacity. Dăeni would have a connection to the transmission grid of over 394 MW.

Oxigen Delta is 50% owned by a subsidiary of Turkey-based Sanko Enerji

The developer is Oxigen Delta, in which 50% is owned by a subsidiary of Turkey-based Sanko Enerji, part of Sanko Holding. Milana-Maria Ilie, daughter of famous former Romanian football player Adrian Ilie, is among the main shareholders, the article adds. The investment was valued at some EUR 800 million last year.

Eximprod, which installed the first wind turbine in Romania more than two decades ago, has delivered the first megawatt-hours to the grid from its new wind farm in the country’s east. Rezolv secured a financing package for the second phase of its giant Vifor wind farm in Buzău county

Eurowind Energy built the turbines earlier this year at its Pecineaga wind park. Greece-based Public Power Corp. (PPC) is supposed to connect its Deleni facility to the grid before the end of the year.

OX2 is constructing the Green Breeze wind farm as the turnkey contractor for the investor, Nala Renewables.

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August 11, 2025
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North Macedonia raising capacity threshold for prosumers, speeding up permitting

North Macedonia has prepared legislative changes to increase the capacity threshold for prosumers and speed up rooftop solar permitting and grid connection.

Under the proposed amendments to the Law on Energy Efficiency, the capacity threshold for rooftop solar installations would be increased to 10 kilowatts (kW) for households and 70 kW for legal entities, according to a statement from the Ministry of Energy, Mining and Mineral Resources. The current threshold is 6 kW for households and 40 kW for firms.

The threshold should go up to 10 kW for homes and 70 kW for businesses

The amendments should also introduce a one-month deadline for the permitting procedure for installing solar equipment with a capacity of up to 100 kW. This includes prosumers and energy communities, according to a draft law on renewable energy use.

According to the North Macedonian office of law firm CMS, the country’s parliament has already introduced amendments to the rulebook on renewable energy sources, increasing the capacity thresholds for both household and business prosumers, among other things.

One-month deadlines are proposed for rooftop solar permitting and grid connection

The ministry noted that a legal deadline for issuing permits for rooftop photovoltaics for prosumers is being introduced for the first time.

The same deadline is being proposed for grid connection: the distribution system operator would be required to connect the installation to the grid within one month of officially confirming that the submitted documentation is complete.

According to the proposed amendments, if connection to the requested location is not possible, the operator is obliged, within 15 days from the date of submission of the connection request, to notify the applicant in writing and propose an alternative connection point.

Installing solar collectors for hot water in new public buildings will become mandatory

The proposed legislative changes will also make the installation of solar collectors for hot water mandatory in new public buildings, or in cases of significant reconstruction of existing ones, if technically and economically feasible.

Renewable energy sources account for more than half of North Macedonia’s total generation capacity, with over 616 MW of new renewables capacity installed in the past two years, DW reported, citing data from the country’s Energy, Water Services and Municipal Waste Management Services Regulatory Commission (ERC or RKE).

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July 30, 2025
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Over 20,000 prosumer units connected in Greece in last 18 months

Greece’s distribution system operator HEDNO added more than 20,000 prosumers in the past year and a half, although the new net billing program faces delays.

Last year the government in Athens formally ended the net metering scheme and enacted net billing, aligning with the European Union’s regulations. Any aspiring prosumer with an existing application can switch to the new mechanism for free. The connection charge is EUR 370 per unit.

In the net billing mechanism, the compensation for the prosumer for the electricity delivered to the grid is based on the hourly wholesale price of electricity, instead of a fixed tariff. Projects are limited to a maximum 10.8 kW for households and 100 kW for businesses and energy communities. Virtual billing is also allowed, meaning that production and consumption can be in different locations.

Total capacity almost at 1 GW

According to data from the Hellenic Electricity Distribution Network Operator (HEDNO or DEDDIE), more than 20,000 individual prosumer units have been connected to the grid over the last 18 months, with the majority being connected under net metering.

It brought the overall number of prosumer installations to 35,312, with a total capacity of 995 MW, according to the update.

HEDNO also said 705 applications were in the final stages of the licensing process.

Limited interest from suppliers and aggregators

Despite high interest, progress in adding units within the net billing scheme has been slow. Only two electricity suppliers currently provide such contracts to prosumers and just one of them includes businesses, Energypress reported.

There is limited interest among aggregators to represent corporate net billing installations in the market. As for household units, the Renewable Energy Sources Operator and Guarantees of Origin (DAPEEP) provides the service free of charge.

Market participants are urging improvements in the relevant ministerial decree on net billing, for things to move forward. One of them would be to simplify contracts.

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July 7, 2025
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EU’s Modernisation Fund disburses EUR 3.66 billion for clean energy projects in nine countries

Energy modernization projects in nine member states of the European Union will receive a total of EUR 3.66 billion from the Modernisation Fund, in the largest disbursement to date from the facility financed by carbon pricing revenues, according to a press release from the European Commission. The selected projects focus on renewable energy, grid upgrades, energy storage, and energy efficiency.

The largest beneficiary of the latest disbursement is Poland, which will receive EUR 1.33 billion for its projects, followed by the Czech Republic, with EUR 1.05 billion, and Romania, with EUR 712.3 million. Hungary will get EUR 181.3 million, Croatia EUR 170 million, and Greece EUR 113.6 million. The rest will go to Latvia (EUR 40 million), Lithuania (EUR 37 million), and Slovenia (EUR 19.7 million).

Croatia will finance renewable heat production and zero-emission transportation, and Slovenia will upgrade power grid to integrate renewables

In Croatia, EUR 80 million will be used for the production and use of heat from renewable energy sources and energy efficiency improvement in heating and cooling systems. The rest will go to investments in zero-emission transportation. In Slovenia, the funding will facilitate renewables integration through the modernization and development of the electricity transmission and distribution network.

Greece, which became a Modernisation Fund beneficiary in January 2024, intends to replace urban diesel buses with new electric buses, improve energy efficiency in municipal swimming pools, and switch the heating and cooling systems in its greenhouse infrastructure to renewables.

In Romania, the funding will help improve the energy efficiency of facilities covered by the European Union’s Emissions Trading System (EU ETS), support the contract-for-difference (CfD) scheme for onshore wind and solar, and finance the installation of solar and wind power plants for self-consumption in the agricultural and food sectors and public institutions. It is also intended for investments in new solar, wind, and hydropower capacities and to support the modernization and rehabilitation of the district heating network.

In the Czech Republic and Lihtuania, the funding will support energy storage projects

Other example projects include investments in storage capacity for renewable electricity in the Czech Republic, investments in large-scale energy storage capacities in Lithuania, and a clean air program in Poland that focuses on energy efficiency improvements and heat source replacements in single-family houses, according to the press release.

The investments will reduce greenhouse gas emissions in the energy, industry, and transportation sectors, improve energy efficiency, and help the beneficiary states meet climate and energy targets, the commission said.

The projects will also help improve people’s everyday lives, by reducing bills, improving public services, creating jobs, and making the energy transition real, fair, and beneficial for all, according to Teresa Ribera, the European Commission’s Executive Vice-President for Clean, Just and Competitive Transition.

With this latest round of funding, the total disbursements from the Modernisation Fund since January 2021 have climbed to EUR 19.1 billion. The fund is financed by revenues from the auctioning of emission allowances under the EU ETS.

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July 1, 2025
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Montenegro publishes NECP for public consultation – sole coal plant planned for shutdown in 2041

State institutions, companies, organizations, and individuals have until August 6 to deliver their suggestions and comments about the draft National Energy and Climate Plan of Montenegro. It sets the provisional date for taking the Pljevlja coal power plant, the only one in the country, at 2041, but the authors pointed out that it primarily depends on a just transition and the security of electricity supply.

Montenegro’s long-awaited draft National Energy and Climate Plan (NECP) sets out the key 2030 targets for greenhouse gas emission cuts, share of renewable energy sources in gross final energy consumption, and energy efficiency.

The document, also known for its acronym INECP, in which the first letter stands for integrated, was published for the public consultation phase. It lasts until August 6. The Ministry of Energy and Mining called on the interested public – local authorities and other state institutions, the expert and scientific communities, associations, organizations, companies and individuals, to send their comments and suggestions.

“The energy and climate policy isn’t just a task for the government – it is a joint responsibility. That is why I am inviting all stakeholders, and especially nongovernmental organizations, to use this opportunity and contribute to the creation of a realistic, ambitious and just plan,” Minister Admir Šahmanović stated.

Renewables target can be surpassed

National goals match the ones adopted within the Energy Community. The targeted primary energy consumption in 2030 amounts to 0.92 million tons of oil equivalent. Under the business-as-usual scenario (with existing measures – WEM), the benchmark is expected to land at 1.04 million. With additional measures (WEM), the trajectory moves closer to the objective, projected at 0.97 million tons of oil equivalent.

The goal for final energy consumption is 0.73 million tons of oil equivalent. Existing measures result in 0.82 million, and added ones in 0.77 million tons of oil equivalent.

The share of renewable sources in transportation could reach 24.4% instead of only 7.2%

Montenegro fares better with its expected share of renewables in gross final energy consumption, against the 50% target. In the WEM scenario, it reaches 42.5%, and the WAM projection is 53.3%.

Without additional measures, renewable sources have a 66.3% share in electricity production. The document’s authors calculated that it could grow to 79.4%. As for transportation, the range is from 7.2% to 24.4%. In heating and cooling, the possible progress from the results of current measures is only 0.4 percentage points, reaching 49.2%.

The targeted reduction in emissions is 55%, the same as in the European Union. It translates to 2.42 million tons of carbon dioxide equivalent in the final year of the current decade. With existing measures, the curve touches 3.06 million in 2030, and with added ones the result is 2.4 million tons of CO2 equivalent.

Retirement of Pljevlja coal plant depends on socio-economic situation in northern region

Oil derivatives, which are all imported, participated in the 2022 final energy consumption with 47.3%, followed by electricity, 33.3%. Wood fuel is the next item, with 18.7%. The share of coal is only 0.7%, because almost the entire output goes to thermal power plant Pljevlja, the only such facility in Montenegro.

The overall electricity production capacity at the end of 2023 was 1.07 GW. The Pljevlja coal plant, which is currently under reconstruction, has 225 MW.

According to the projection, the Pljevlja coal plant is in cold reserve after 2040

The provisional date for its shutdown is 2041, but it primarily depends on the success of the just transition process and maintaining the security of electricity supply, the NECP reads. It also shows the Pljevlja coal plant in cold reserve after 2040.

In addition, taking it offline requires supplying end consumers under favorable conditions, while minding the overall socio-economic situation in the country’s northern region, where the coal mines and the power plant are, the authors explained. They noted as well that an energy storage pilot project is under consideration for the site of the Pljevlja facility.

Electricity sector’s self-sufficiency varying due to dependence on hydrological conditions

The country’s two large hydropower plants Piva and Perućica have 342 MW and 307 MW in capacity, respectively.

There are 38 other hydroelectric units in Montenegro, of which the smallest one is 200 kW. The biggest facility, Vrbnica (6.75 MW), is owned by a firm with the same name, registered in the capital Podgorica.

The high share of hydropower plants in electricity production, implying dependence on hydrology, is the main reason of the variability of the level of self-sufficiency of the national energy balance year after year, the NECP says.

There are two wind power plants on the grid: Krnovo (72 MW) and Možura (46 MW), while the third one, called Gvozd, is under construction. The project envisages 54.6 MW in the first phase.

There are only five independent solar power plants. The biggest one, Čevo, has 4.4 MW in nominal capacity and a 3.25 MW connection. Nevertheless, units operated by prosumers reached 75 MW altogether, according to one entry, though the numbers are lower in other parts of the NECP.

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June 27, 2025
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Grants for public institutions’ solar projects in Romania top EUR 500 million

The Romanian Ministry of Energy has signed 29 more grants to public entities for investments in solar power plants for self-consumption, bringing the total number of projects under the program to 1,046. The latest round of grants is worth EUR 11.3 million, putting the total sum approved so far at EUR 502 million.

The 29 grants, financed from the European Union’s Modernisation Fund, will help build solar power plants with a total installed capacity of 9.13 MW at schools, hospitals, city halls, and other institutions across Romania. It brings the total installed capacity supported under the program to over 403 MW, according to a press release from the Ministry of Energy.

The latest batch of projects puts the total planned capacity at over 403 MW

In many cases, installed renewable capacities cover up to 70% of the energy needs of public institutions, the ministry noted.

Romania’s outgoing Minister of Energy Sebastian Burduja hailed the program as a “paradigm shift,” noting that Romania was already in a new energy era, with local communities no longer just consumers, but active participants.

“Over the past two years, the Ministry of Energy has consistently provided support to local public authorities that understood the importance of investing in energy production for their own consumption. We have made funds available, simplified procedures, and worked side by side with beneficiaries so that the projects move forward quickly,” Burduja stated in a Facebook post.

The latest round of contracts covers public entities in 18 counties across the country: Arad, Argeș, Bacău, Brăila, Călărași, Constanța, Dâmbovița, Galați, Brașov, Gorj, Hunedoara, Maramureș, Mehedinți, Olt, Sibiu, Suceava, Teleorman, and Timiș.

The number of contracts has increased from 633 in March

In March, the ministry said it had signed 633 contracts, worth a combined EUR 339 million, of which EUR 294 million was from the Modernisation Fund. Total planned capacity at the time was 237.4 MW.

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June 24, 2025
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Federation of BiH launches grants program for prosumers

The Federation of BiH, one of the two entities constituting Bosnia and Herzegovina, has launched a grants program to co-finance the installation of rooftop solar power plants, expected to cover around 500 households a year and lead to an increase of 4.2 GWh in renewable electricity production.

Operator for Renewable Energy Sources and Efficient Cogeneration – Operator za OIEiEK estimates that the average installed capacity of the solar power plants will be 6 kW, and that the grants will help reduce greenhouse gas emissions by 3,800 tons a year.

The program will be funded from renewable energy surcharges

The program will be funded from renewable energy surcharges paid through electricity bills by all consumers in FBiH. Grants will be approved for two categories of applicants. The first one is vulnerable households whose annual consumption exceeds 3,500 kWh. The second covers those who consume more than 5,500 kWh a year and whose connection power is equal to or less than the requested installed capacity of the solar installation, according to the decision of the Operator za OIEiEK.

The maximum grant amount per applicant is BAM 7,000 (EUR 3,580), or up to 60% of the investment cost for users in the second category.

Damir Miljević: People in extreme energy poverty will get solar power plants for free

Although the budget and the anticipated scope of the program are modest, one positive aspect is that part of it is intended to fully cover the cost of PV installations for people in extreme energy poverty. They will receive a rooftop system free of charge, eliminating, partially but permanently, some of the concerns about financing their energy needs, according to Damir Miljević, a member of the Board of the Center for Sustainable Energy Transition (RESET), a BiH think tank.

Prosumers were introduced in the FBiH legislation two years ago, with the passage of a set of reform energy bills, including the Law on the Use of Renewable Energy Sources and Efficient Cogeneration.

At the national level in Bosnia and Herzegovina, prosumer regulations have not been adopted yet. According to some estimates, the country could cover half of its electricity consumption by installing solar panels on about a million roofs.

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June 16, 2025
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Svetlana Cerović: Serbia should consider the role of batteries in next renewables auction

Serbia is expected to finish drafting its energy storage regulations by the end of the year, completing its already strong regulatory framework for renewables, according to Svetlana Cerović, Head of Specialized Lending at UniCredit Bank Serbia. In the next auction for market premiums, Serbia should consider recognizing the contribution of projects involving energy storage, she said at Belgrade Energy Forum 2025.

The two renewable energy auctions Serbia has held so far have shown that its regulatory framework is exceptionally good, Svetlana Cerović said on the sidelines of BEF 2025, adding that it is very important for a third auction to take place to ensure the development of additional renewable energy capacities.

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Initiating and financing investments in renewable energy requires a stable, predictable, and transparent regulatory framework, she stressed.

When it comes to regulations covering energy storage, Cerović said she was encouraged to hear that they were being drafted quickly and could be finalized before the end of this year.

“When we talk about renewable energy sources, we talk about long-term financing. Most of these projects are financed through project financing without the right of recourse, and in this sense, the regulatory framework and the predictability of cash flows are very important,” she reiterated.

UniCredit, as a pioneer in the field of renewable energy financing, offers various types of services and has already supported several projects that have been awarded market premiums and guarantees, according to Cerović. “We continue to actively finance these projects and remain open to dialogue,” she said.

UniCredit has financed several projects that have won market premiums

Speaking at a panel on energy storage in Southeast Europe, Cerović said that Serbia should consider involving energy storage in the next auction for market premiums and facilitate flexibility services, adding that the first renewables projects in Serbia that are required to include energy storage are already negotiating financing.

Cerović: The state should subsidize batteries for prosumers and back smaller renewables projects

She also recommended subsidizing battery storage for prosumers as an energy efficiency measure and allocating part of the auction quota for smaller renewables projects, which find it difficult to secure long-term power purchase agreements (PPA).

Talking about BEF 2025, she said the forum had demonstrated its exceptional significance and relevance by bringing together key players in the financing and development of energy projects. The conference was extremely useful for UniCredit, allowing it to make important contacts and initiate potential partnerships, according to her.

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May 28, 2025
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BEF 2025: Digitalization, open markets, time are major preconditions for flexibility services mainstreaming

Digitalization and massive use of data are crucial for providing flexibility services that bring benefits for transmission system operators and renewable energy producers. Aggregators and software firms have developed the technological solutions. However, the process, together with the introduction of flexibility platforms, requires a long time. The reforms also have to be accompanied by market liberalization and end consumers acting as active buyers, according to the participants of Belgrade Energy Forum 2025.

The panel on flexibility services called Market Flexibility: The Backbone of a Resilient Energy System was one of eight that were held at Belgrade Energy Forum 2025 (BEF 2025).

The conference, organized by Balkan Green Energy News, welcomed four hundred participants from more than 30 countries from the region, Europe, and beyond.

“Flexibility has been promoted in Europe as a buzzword, sometimes reflected as demand-side flexibility, but it represents so much more. It includes supply-side flexible assets like hydro, biomass, storage, as well as grid-side flexibility,” according to panel moderator Elena Boškov Kovacs, co-founder and CEO of Blueprint Energy Solutions, and a leading voice on market flexibility in Europe.

Serbia will introduce a flexibility services market

Elena Boškov Kovač and Roman Bernard (photo: Balkan Green Energy News)

Serbia’s transmission system operator (TSO) Elektromreža Srbije (EMS) is preparing to liberalize the ancillary services market. The country adopted the Law on Energy in November and implemented a large proportion of the European Union’s Electricity Integration Package (EIP) while the remaining parts will be transposed through bylaws.

“The balancing capacity market will be liberalized from next year. We will have new participants – active buyers and independent aggregators,” said Marko Zarić, Head of the Market Operations sector of EMS.

He stressed that the TSO is trying to ensure that no market participant is impaired by engaging flexibility resources or demand side response or a balancing service.

“EMS has finished drafting the new market code, which envisages dual balancing responsibility. We will launch a public debate on the act. The TSO estimates that it is the best solution to open the market of flexibility services,” he noted.

Bernard: Technology is on our side

NGEN CEO Roman Bernard expressed the opinion that the region is moving in the right direction, and suggested to regulators to look around and implement best practices. If the participants in the market are motivated, things will go forward, he added.

Back in 2019-2020, when NGEN started its operations in Slovenia, flexibility services were a pioneering job. The Slovenian energy company, the technology sponsor of the BEF 2025 conference, specializes in premium battery energy storage systems (BESS) and smart energy solutions.

According to Bernard, the balancing services market in the EU is well developed thanks to balancing platforms MARI (Manually Activated Reserves Initiative) and PICASSO (Platform for the International Coordination of Automated Frequency Restoration and Stable System Operation).

“We have 150 employees, and we can do everything. Technology is on our side and the sky’s the limit,” he stressed.

For example, NGEN solutions can provide monetization of battery energy storage systems (BESS), and the only thing that is needed is investors in such facilities.

Digitalization is the only way forward

Roman Bernard, Luka Renko and Magdolna Tokai (photo: Balkan Green Energy News)

The representatives of aggregators KOER and Alteo and software company CyberGrid all agreed that digitalization and the use of data are crucial for the energy transition.

Compared to NGEN and its use of BESS, Croatia-based KOER, a pioneer in virtual power plants in the region, is utilizing existing assets, like diesel generators, or employing the flexibility intrinsic to most manufacturing companies; for example, cement factories and wood manufacturers.

Existing assets work well, not just batteries, KOER COO Luka Renko stressed.

The only problem, in his words, is digitalization. The majority of the said firms aren’t ready to connect to the platform to be automatically switched on and off. The markets are getting faster and faster, so digitalization is the only way forward, Renko claimed.

Alteo, a leading Hungarian aggregator, also believes in lots and lots of data, which back up its scheduling and contribute to the security of supply.

Tokai: Alteo is looking for partners in the region

“Our superpower is providing scheduling services with the support of AI, including lots of data,” said Magdolna Tokai, Deputy CEO for International Relations and Corporate Services of Alteo.

Hungary has experienced a photovoltaic boom in the past four or five years, with the installation of almost 8,000 MW. It’s good for greening power production, but not from the perspective of a TSO, and that is where aggregators come into the picture, she added.

Alteo is combining conventional resources like gas-fired power plants with renewables. It currently has 140 MW in renewable resources, it manages 2,000 MW of third-party solar, and operates two virtual power plants. The company is providing the service to small photovoltaic facilities and the TSO.

Alteo is integrating solar energy in a product that is close to baseload, and placing it on the market. It translates to lower balancing costs for solar and a more stable product for the TSO, she explained.

Serbia is facing a challenge from the upcoming 1.2 GW of solar power

Alteo has just started implementing its new strategy for regional growth by exporting know-how on balancing services and providing flexibility to market players.

According to Nikolaj Candellari, Project Manager and Market Intelligence of CyberGrid, real-time data gives a TSO and other market participants the possibility to understand where they are.

He recalled that, over the years, the market went from 15-minute time stamps, down to one minute, and that now it is only two seconds. The improvement helps dealing with challenges, and CyberGrid knows a lot about such issues.

“For Serbia, the challenge comes with 1.2 GW of solar, which will be installed next year. So if you don’t see it as a challenge, ask yourself who needs 1.2 GW of energy at noon on Sunday,” Nikolaj said.

Over its 15 years of existence, CyberGrid developed good examples of how to exchange data with assets and TSOs.

“Assets are always the same, no matter the country, but to have this data exchange with TSOs, or even market platforms, that is something I think we need to do in the future in Southeastern Europe,” he stressed.

How to get to the future: properly liberalize markets

Luka Renko, Magdolna Tokai and Nikolaj Candellari (photo: Balkan Green Energy News)

Elena Boškov Kovač (Blueprint Energy Solutions) asked the panel participants what the solution is for addressing different types of flexibility assets including prosumers.

“How do we avoid getting stuck in the easy-to-commercialize part of the aggregation, and postpone the true demand response, which is needed to avoid the issues with negative pricing and electricity market swings?” she asked.

There is no dilemma for Nikolaj Candellari (CyberGrid): “I think we can connect everything, including households.”

It is something futuristic, he said. “We have to try to go as low as possible and connect everybody because, in the end, it’s not different if you have a 1 MW battery or 100 smaller residential ones” of 1 MW combined, Candellari asserted.

His company is currently implementing a project to integrate 150 batteries of 2 MW overall and put them on the market.

The batteries can drive the prices for end users down by 25% within five years

Candellari and Roman Bernard (NGEN) alike highlighted the factor of market motivation.

Bernard said motivation is created by the market. The imbalance price can go up to EUR 15,000 per MWh, and it is the signal and the motivation to fix everything, in his opinion.

He is convinced that batteries can lower the prices for end users by 25% within five years if dynamic prices are applied.

According to Nikolaj Candellari, participants will come to the market, as long as it’s not too regulated. As an example of a non-functional market, he mentioned Bulgaria, where the capacity price for downward regulation is zero.

“So, why would anybody join the market, if the capacity price is zero? Get the market running and you will get participants and capacity needed to balance it,” he said.

Tokai: We need a proper energy mix

Magdolna Tokai (Alteo) has a slightly different view of the markets. She recalled that episodes of negative prices are happening in Hungary, while that last August and September very high prices were recorded on HUPX, up to EUR 1,000 per MWh, and above EUR 500 per MWh in Croatia and Serbia.

“We have to be prepared for that, which is data, data, data, and the cooperation of all the market players, providing the proper energy mix, and the proper product for the TSO,” she pointed out.

Marko Zarić (EMS) stressed time as a vital ingredient for developing markets. A transition from the regulated market to the truly open market envisages multiple steps that take time, he said.

Flexibility platforms need time for implementation

Nikolaj Candellari and Marko Zarić (photo: Balkan Green Energy News)

Another big change are the balancing platforms developed by aggregators. Traditionally, TSOs were buying the same kind of standardized product, for example, SCADA, EMS, and other market applications, with more or less the same kind of functionalities.

Elena Boškov Kovač (Blueprint Energy Solutions) brought up the question of a more standardized approach. “Before we start talking about interoperability and connecting with everything else, would it be good to at least have platforms with similar kinds of functionalities and services provided?” she asked.

According to Luka Renko (KOER), every platform is structured in line with the needs of the operator. The communication platforms are more or less standardized, but it depends on what one needs in the background and what kind of assets they drive.

Piloting a flexibility platform can take years

The two aggregators, KOER and Alteo, developed their platforms because they couldn’t find a ready-made solution on the market.

A platform must have the ability to communicate with any other solution and to integrate new types of power plants and customers, Magdolna Tokai (Alteo) added.

Elena Boškov Kovač (Blueprint Energy Solutions) recalled that her company has implemented flexibility platforms since 2019, at the dawn of the opening of the flexibility market in Europe, and added that pilot projects for them take a long time.

“They require an immense amount of data. There’s a multitude of different stakeholders that need to support this, unlock the data, provide data resources. Piloting is incredibly important, and it can take years,” she pointed out.

Luka Renko (KOER) added that it took his company three to four years to start working as an aggregator in Croatia.

The future is bright, but we need to work on it

The panelists with Branislava Jovičić, Founder and Editor of Balkan Green Energy News (photo: Balkan Green Energy News)

Summarized, here are the messages of the session’s participants:

Bernard (NGEN): The end consumer will start acting as an active buyer.

Zarić (EMS): We see changes in the future.

Candellari (CyberGrid): Open the markets.

Tokai (Alteo): Give a chance to all market participants and types of production.

Renko (KOER): Digitalization will help.

Elena Boškov Kovač (Blueprint Energy Solutions) praised the companies that had their representatives at the panel for starting to develop solutions ahead of the market reform.

“It’s also a good message to the system of sometimes sleepy energy companies waiting for their proprietary vendors to offer them solutions,” Boškov Kovač stated.

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