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Three types of deals emerge in new PPA era – Pexapark

Hybrid power purchase agreements from co-located projects, battery offtake agreements, and stand-alone PPAs are beginning to dominate the renewable energy market, according to Luca Pedretti, Co-Founder & COO of Pexapark.

The power purchase agreement (PPA) market is going through a turbulent period. Two days ago, RE-Source Platform noted that the number of PPAs in Europe had decreased by 60% compared with the same period last year. The figure was consistent with Pexapark’s July report, which stated that the number fell 31% in the first six months of the year.

Over recent months, the analytics and advisory firm has spoken with a number of executives at independent power producers.

“Their message was consistent. The period dominated by straightforward, conventional power purchase agreements (PPAs) is transitioning into a new era,” Luca Pedretti wrote in a piece for Pexapark’s website.

While the initial phase centered on PPAs, the focus now is on more structured deals and the integration of new asset classes, such as battery energy storage systems (BESS), he noted.

Battery offtake agreements can take various forms

One of the models involves hybrid PPAs from co-located projects. Co-location is the deployment of multiple technologies at a single site. Most often, it is wind and solar, or solar with battery energy storage systems.

Previously, this kind of project included pricing based solely on energy delivered, but that has now changed.

Today, it is necessary to evaluate and price the marginal value added by co-location, the interactions between different resources, and the premium associated with reduced curtailment and improved grid capacity utilization, Pedretti wrote.

Battery offtake agreements include tolling contracts, merchant sharing agreements, and capacity-based deals. Valuation and pricing in these deals vary a lot from those used in pure energy agreements.

Stand-alone PPAs are still standing

The third model is the stand-alone PPA. These deals have managed to maintain their share of the market. However, there have been some changes in approach.

The number of “plain vanilla PPAs” has decreased, while transaction price ranges have expanded. In the new circumstances, understanding the impact of negative prices and curtailments on price and value has become crucial.

Additionally, in many markets, the balancing risk is now handled completely differently than it was just 12 months ago, according to Pedretti.

He stressed that the Pexapark Renewable Valuation Framework for PPAs continues to provide a solid foundation.

“However, the importance of the ‘middle part’– understanding risk and projecting future realized prices – has increased substantially,” he noted.

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RE-Source Platform: Number of PPAs in Europe drops by 60%

The number of power purchase agreements in Europe decreased by 60% compared to the same period last year, while contracted capacity has dropped by 40%, according to RE-Source Platform.

Europe’s power purchase agreement (PPA) market is facing headwinds in grid development, permitting and electrification and from negative electricity prices, RE-Source Platform warned.

RE-Source Platform facilitates corporate renewable energy sourcing in Europe. It was founded by WindEurope, SolarPower Europe, Climate Group RE100, and World Business Council for Sustainable Development, and steered by a group of corporate buyers and developers.

There are four main problems

“This slowdown is very paradoxical. Europe has no path to energy security and competitiveness unless it electrifies its economy – shielding itself from energy shocks and leveraging large scale deployment of wind and solar energy. But the market is facing headwinds,” the update reads.

The platform identified four main problems.

Europe is not expanding its grid infrastructure quickly enough. The main bottleneck is grid permitting with hundreds of gigawatts of projects awaiting grid connection.

The permitting process for renewables remains too slow. The Renewable Energy Directive has set permitting rules for acceleration, but EU member states have not implemented them.

The Clean Industrial Deal rightly names PPAs as a key solution

Direct electrification is the cheapest and most efficient way to decarbonize. It could also improve competitiveness and energy security, however Europe’s electrification rates are stagnating.

The increase of the negative price hours is making PPA negotiations harder. The way out are energy storage solutions.

The platform stressed the importance of PPAs.

“The Clean Industrial Deal rightly names PPAs as a key solution. Without them, we risk losing industrial competitiveness – and missing our climate targets. PPAs are a cornerstone of Europe’s industrial decarbonization,” the platform added.

They also give companies price certainty, help new wind and solar projects get financed and cut buyers’ exposure to volatile energy markets, according to the update.

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Renewable electricity should not be subject to EU’s CO2 import tax

The European Commission is collecting evidence to come up with solutions for unintended effects of the Carbon Border Adjustment Mechanism (CBAM) on renewable electricity in the Western Balkans, Director of the Energy Community Secretariat Artur Lorkowski pointed out in an interview with Balkan Green Energy News, as one of the most important developments in the sector. Boosting renewable energy development and trade with third countries such as the Western Balkans was supposed to be accelerated by the European Union’s CO2 import tax.

To reduce the payment obligations of EU importers under CBAM, the contracting parties in the region are planning carbon pricing systems, but under different models. The ultimate goal is eventually joining the EU Emissions Trading System, implying the need for coordination and cooperation between the governments in the process, Lorkowski stressed.

Looking back twenty years since the Energy Community Treaty was signed, it proved to be a successful format of cooperation, the Energy Community Secretariat Director Artur Lorkowski said. On the occasion of the anniversary, Balkan Green Energy News sat down with the head of the international organization to speak about the achievements and benefits for the contracting parties, and the remaining milestones that the Western Balkans need to reach in order to integrate with the EU’s energy union.

“Economic growth depends on energy security and fair pricing. There is visible progress in transformation, clearly seen from the 2024 figures. And the final element is the accelerated energy market integration with the EU, and this is what we can be really proud of,” Lorkowski asserted.

Among the segments with tangible improvements, he also highlighted the convergence on the wholesale gas and electricity markets. It is facilitating competitiveness in the Energy Community, the secretariat’s chief added.

Renewables capacity doubled in four years

Fossil fuels used to account for 60% of electricity production in the contracting parties five years ago, compared to 50% now, Lorkowski noted. The significant results in renewables except for large hydro are illustrated by the fact that the overall capacity in the segment has more than doubled between 2020 and 2024, he stressed. More importantly, the carbon footprint – the CO2 emissions per unit of the nominal gross domestic product, fell 11% last year alone.

CO2 emissions per unit of the nominal GDP fell 11% last year in the Energy Community

As for EU integration, electricity market coupling is progressing very well, as a good example, in Lorkowski’s view. The legislation is mostly aligned, so most countries are just waiting for the process to be concluded, the director of the Energy Community Secretariat explained.

“There are operating wholesale markets everywhere in the Western Balkans except in Bosnia and Herzegovina, which is about to adopt the required law. Serbia is at the forefront of that process. North Macedonia and Montenegro are very close, with small elements yet to be achieved. It is a non-reversible point, point of no return on a path towards EU integration,” Lorkowski said. He recalled that when capacity calculations regions (CCRs), operationalization and verification are cleared from the to-do list, it would take 18 months to join the EU’s market coupling project.

Electricity can be exempted from CBAM at later stage

Energy Community contracting parties may become eligible for exemption until 2030 from CBAM in electricity, if they meet the CBAM requirements. However, the EU is starting to charge the CO2 import tax already on January 1.

“I wish the contracting parties followed my messages from the Belgrade Energy Forum in 2023, because you might remember me saying that CBAM is coming and we have to prepare for that. But unfortunately, we have observed a lot of delays and hiccups in the preparatory process. Fair enough, this is the reality we have to face now – no country of the Energy Community will be exempted on 1 January 2026. But we can still work to be exempted at a later stage,” Lorkowski underscored.

Artur Lorkowski was a keynote speaker at Belgrade Energy Forum 2025, organized by Balkan Green Energy News

European Commission expected to clarify rules by end of year

The second part of the story is that CBAM, in addition to its intended impacts, especially on coal power, also has unintended impacts, Lorkowski explained. For example, electricity transit between EU member states through the contracting parties, in practice, may also be subject to the tax, even if it was not intended by the European legislators.

CBAM was intended to provide equal treatment for products produced inside and outside the EU when it comes to carbon payments. “Renewable energy, not being subject to the EU ETS, would – logically – not need to be subject to CBAM, but with the current rules, even EU off-takers with cross-border power purchase agreements (PPAs) may still be subject to payment obligations, as the implementing rules remain overly complex, effectively treating them in the same way as fossil fuel importers. These are real problems that stakeholders have been raising with us in our targeted outreach to power companies, traders, and other stakeholders both from the EU and Energy Community,” Lorkowski added.

Legislative efforts to further improve trade in renewables with the EU continue under the Energy Community

The Energy Community Ministerial Council reported it in Athens to the European Commission and asked it to find a solution.

Lorkowski said he expects the EU’s top executive body to soon issue implementing and delegated acts, by the end of 2025, clarifying the CBAM implementation rules, and to follow it up in 2026 with a targeted amendment proposal on electricity.

Legislative efforts to further improve trade in renewables with the EU continue under the Energy Community. “The European Commission has presented to the contracting parties a draft decision on the mutual recognition of guarantees of origin and is now awaiting their feedback. I hope that in 2026 we can have a decision. But it does not mean that the guarantees of origin can be used as the currency for paying the CBAM fee. That would require amending the CBAM legislation,” he stated.

Carbon pricing systems need to evolve toward matching EU ETS

For a potential reduction of CBAM payments in other areas as well – iron and steel, aluminum, fertilizers, cement and hydrogen – third countries need to introduce carbon pricing systems. Serbia recently drafted legislation for a CO2 tax and for a tax on imports of carbon-intensive products. It is a good step forward, according to Lorkowski.

“We expect each and every country to make a decision on the carbon pricing. All of the countries of the Energy Community, with the exception of Kosovo*, have communicated to the secretariat which model they will implement. And the models vary: from Serbia’s carbon tax to a domestic emissions trading system of Montenegro, which is already in place,” he revealed.

There is no uniform carbon pricing model for the Energy Community

Namely, the Energy Community Ministerial Council decided not to implement a uniform regional carbon pricing mechanism but opted for individual models. They should all be built with the perspective of aligning eventually with the EU Emissions Trading System (EU ETS), Lorkowski said.

“The key challenge now for the Energy Community is how to maintain the integrity of the electricity market between the contracting parties and the European Union after CBAM enters its definitive phase from next January. We need to figure out how to coordinate among the systems. It implies not only the existence of the domestic carbon markets, but also the cooperation within the region,” he pointed out.

Ministerial Council to announce way forward on carbon pricing coordination

The Ministerial Council is due to conclude on carbon pricing at its regular annual meeting in December, Lorkowski said.

“The three critical elements are how much the CO2 will cost, who will pay – which businesses and sectors are in scope – and when those carbon pricing systems will be introduced. They need to maintain the integrity of the market, the level playing field of the market, and avoid market distortions,” the top Energy Community official added.

Practical policies more important than coal phaseout dates alone

Turning to the coal phaseout, essential for the decarbonization of the economy, Lorkowski acknowledged the significance of political declarations such as the Sofia Declaration and commitments from the national energy and climate plans (NECPs).

“That said, it is critically important to anchor the actions for the future with practical policies. The decisions on the establishment of carbon pricing mechanisms are even more important. In addition, we should focus on monitoring, reporting and verification – MRV systems. The contracting parties need to identify emitters and measure quantities,” the director of the Energy Community Secretariat underscored.

* This designation is without prejudice to positions onstatus and is in line with UNSCR 1244/99 and the ICJ Opinion on the Kosovo declaration of independence.
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Apple signs PPAs in Greece, Romania as part of drive to green its devices’ consumption

As part of efforts to ensure that all electricity consumed by Apple devices is matched with green energy, the United States–based tech giant is facilitating 650 MW of renewables projects across Europe, including through power purchase agreements (PPA). By 2030, wind and solar power plants in Spain, Greece, Italy, Latvia, Poland, and Romania are expected to generate over 1 TWh of clean electricity on behalf of Apple users, the company said.

“By 2030, we want our users to know that all the energy it takes to charge their iPhone or power their Mac is matched with clean electricity,” said Lisa Jackson, Apple’s vice president of environment, policy, and social initiatives.

In Greece, Apple has signed a long-term PPA to procure power from a 110 MW solar project owned by HELLENiQ Energy. The plant, which is already fully operational, is located in Kozani in northern Greece.

Apple has signed a long-term power purchase agreement for a 110 MW solar plant in Greece

In Romania, the company plans to procure power from the 99 MW Green Breeze wind farm, located in Galați County, through a long-term virtual power purchase agreement (vPPA). The facility, which is scheduled to start operations in the first half of 2026, was initiated by Sweden-based OX2 and later sold to Nala Renewables.

In Italy, Apple is supporting the development of a 129 MW portfolio of solar and wind projects. The first of the facilities, a photovoltaic plant in Sicily, is expected to come online this month.

The project backed by Apple in Poland is for Econergy’s 40 MW solar array, which is expected to be operational later this year. In Latvia, the tech giant has signed one of the country’s first corporate PPAs. It will procure electricity from European Energy’s 110 MW solar power plant, set to be one of the largest in Latvia once completed.

The 131 MW Castaño solar farm in Spain came online earlier this year

The 131 MW Castaño solar farm in Segovia in Spain, operated by ib vogt, became operational earlier this year.

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CEE Energy Conference to be held in London on October 7

Featuring a series of expert-led presentations and panel discussions, the second edition of the annual CEE Energy Conference, taking place in London on October 7, will explore the rapid evolution of the energy sector in Central and Southeast Europe.

CEE Energy Conference 2025: From Generation to Stability – Accelerating the Energy Transition in CEE is organized by international law firm CMS and is free of charge. It will bring together speakers from CMS offices across the CEE/SEE region and the UK, alongside representatives from transmission system operators (TSOs), regulators, and leading energy companies.

The conference will feature country spotlights and two panels, with speakers presenting key developments and innovations from the Czech Republic, Romania, Poland, Bulgaria, Hungary, Ukraine, Slovakia, Croatia, and Austria.

A panel titled BESS, Balancing & Grid Stability will include case studies from across the region, as the BESS market continues to attract international investors. At the second panel, PPAs & Tolling Agreements, participants will share insights into emerging and maturing markets, with perspectives from developers, investors, and legal experts.

One of the key speakers is Thomas Hamerl, an expert in renewables, energy storage, and infrastructure

One of the key speakers is Thomas Hamerl, an expert in renewables, energy storage, and infrastructure and Head of the Energy and Climate Change Group at CMS Reich-Rohrwig Hainz. He will speak at the event on regulatory developments and investment possibilities in Austria, Croatia, Montenegro and Serbia.

Participants in the second annual CMS CEE Energy Conference will have the opportunity to join industry leaders in exploring the latest trends, investment opportunities, and challenges, as well as sector developments, according to Hamerl. “On top of that, market-specific developments will be presented for Bulgaria, the Czech Republic, Croatia, Hungary, Serbia, Poland, Austria, and many more,” he stressed.

Thomas Hamerl is an attorney-at-law and a specialist in infrastructure projects, including public-private partnerships (PPP) and concessions. He is also a leading expert in energy law, public procurement law, and construction and infrastructure-related dispute resolution. CMS Reich-Rohrwig Hainz, based in Vienna, operates in Austria and the Western Balkans.

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Corinth Pipeworks commissions Greece’s biggest industrial rooftop PV system

Steel pipe manufacturer Corinth Pipeworks has put into operation a 7.1 MW photovoltaic facility on its plant in the Thisvi Industrial Area. It is the largest industrial rooftop PV system in Greece, the company said.

A steel pipe factory northwest of Athens will cover an estimated 25% of its electricity needs with its new solar power plant, generating some 10 GWh per year. Corinth Pipeworks (CPW) revealed that it has commissioned the 7.1 MW system, pointing out it is the largest industrial rooftop photovoltaic facility in Greece.

The company, owned by Cenergy Holdings, conducted the endeavor under an ESCO scheme. The project was entirely designed and implemented by Survey Digital Photovoltaics. It was financed by investment firm Sirec Energy and Survey Digital Photovoltaics, in collaboration with Piraeus Bank.

Under the terms of the 10-year lease, the system will be transferred at no cost to Corinth Pipeworks. The behind-the-meter PV plant is for own consumption, injecting no electricity into the high-voltage grid.

Corinth Pipeworks surpassed its 2025 target of sourcing 80% of its energy consumption from renewables

The facility spans almost six hectares on two factories, at a height of ten meters. It consists of 12,000 solar panels.

With the photovoltaic plant and a power purchase agreement (PPA) for a wind farm, CPW surpassed its 2025 target of sourcing 80% of its energy consumption from renewables. The company’s portfolio includes pipes for hydrogen pipelines.

“This choice carries particular significance, as it comes from an organization with both the technical capacity to develop the photovoltaic system and manage the generated energy, as well as the financial capacity to finance the investment independently. Yet, it chose to move forward in collaboration with us and Survey Digital Photovoltaics, recognizing the value of strategic partnership,” said Vice President of Sirec Energy Vangelis Bardis.

A subsidiary of Viohalco, Belgium-based Cenergy Holdings also controls Hellenic Cables, which manufactures power and telecommunications cables.

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Aurora: Romania’s third CfD auction is key for 2030 targets as solar outpaced wind

Aurora Energy Research expects strike prices at the additional renewable energy auction in Romania, for the remaining wind power quota, to land near the ceiling, set at EUR 80 per MWh. In the previous round, there was strong competition between the bidders for the photovoltaic segment, while developers of wind energy projects may have seen more value in PPAs and merchant options.

Increased costs and stricter eligibility rules constrained wind participation in Romania’s second contracts-for-difference (CfD) round in August, which fell short of the 2 GW wind target. Developers may have seen more value outside the CfD framework, according to Aurora experts, who stressed that power purchase agreements (PPAs) and merchant options offer higher returns than the capped CfD strike prices.

Solar projects showed stronger economics, with strike prices between EUR 35 per MWh and EUR 45 per MWh, compared to wind at EUR 65 per MWh to EUR 79.5 per MWh.

“Using the same commercial operation date for both PV and wind projects has disincentivised wind participation in CfD rounds, since wind developments are far more complex. Their permitting, grid connection, and EPC timelines are significantly longer than solar, making the uniform deadline misaligned with project realities,” said Project Leader at Research Associate at Aurora Energy Research Filippos Falieros.

Dedicated auctions can influence market dynamics

As wind is essential for achieving 2030 renewable targets, the Romanian Ministry of Energy invited developers to submit expressions of interest for mature wind projects only, with contracts expected to be signed by the end of 2025. The third auction will focus on wind energy solely, with a maximum strike price set at EUR 80 per MWh, and Aurora expects strike prices near the ceiling.

In the second auction, accepted wind power bids were between EUR 65 per MWh and EUR 79.5 per MWh

The move underscores the growing divergence in Romania between solar’s strong economics and wind’s slower progress, while also showing how policy adjustments – such as dedicated auctions – can influence market dynamics.

CfD state aid scheme was approved through Modernisation Fund

The overall CfD scheme is supported by EUR 3 billion in total state aid that the European Union approved through the Modernisation Fund, aiming to keep costs low for consumers.

Established in 2013, Aurora Energy Research provides power market forecasting and analytics for critical investment and financing decisions. Headquartered in Oxford, it operates out of 17 offices worldwide covering Europe, North and South America, Asia and Australia.

The firm’s comprehensive services include market outlook packages for energy industry participants, advisory support, and software solutions. Aurora fosters diversity with a team of one thousand experts with backgrounds in energy, finance, and consulting, offering expertise across power, renewables, storage, hydrogen, carbon, and fossil commodities.

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Enery, Teva sign 15-year virtual PPA for solar, BESS in Bulgaria

Renewable energy firm Enery and Teva Pharmaceutical Industries have signed a 15-year hybrid power purchase agreement.

Under a financial or virtual power purchase agreement (PPA), a future solar power plant with two battery energy storage systems (BESS) will supply 60,000 MWh of electricity annually to Teva’s two plants in Bulgaria.

The landmark agreement is the first of its kind in the region to include green electricity supply from a newly built solar power plant with BESS and the longest one in Bulgaria so far, Enery said.

It is the Austrian company’s 15th PPA signed in the last four years across Central and Eastern Europe and the second one involving a Bulgaria-based offtaker.

The PPA sets a precedent for integrating storage within virtual PPA structures

Over the 15 years, the project is expected to avoid emissions of 15,840 metric tons of CO2 equivalent per year, supporting Teva’s goal to reduce scope 1 and 2 emissions by 46.2% by 2030.

The hybrid PPA also sets a precedent for integrating energy storage within virtual PPA (vPPA) structures, enhancing grid resilience and the value of renewable energy procurement, Enery stressed.

According to the company, the agreement will facilitate the construction of a photovoltaic park of 122 MW in peak capacity, equipped with two BESS installations at the site — one with a capacity of 70 MWh and another of 130 MWh. Located on non-arable land in the villages of Knizhovnik and Dolno Voyvodino in the Haskovo municipality, south Bulgaria, the Knizhovnik solar park is projected to produce 200 GWh of clean electricity per year.

Decktor: Teva is not only securing clean energy but also enhancing grid resilience and flexibility

“This agreement represents another significant step forward in our decarbonization journey,” said Josh Decktor, Teva’s Vice President and Global Head of Environment, Health, Safety and Sustainability.

By investing in a newly built solar asset with integrated storage, Teva is not only securing clean energy but also enhancing grid resilience and flexibility – key components of its strategy to meet its science-based targets, he added.

“We are proud that our projects are being realized thanks to an innovative partnership with companies that are proven leaders in their market niche, such as Teva, and demonstrate a strong commitment to the environment and society,” Enery’s Chief Commercial Officer Severin Vartigov stated.

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RES Croatia to Brussels: Renewables have no future in Croatia

RES Croatia, together with SolarPower Europe and WindEurope, has sent a letter to the European Commission to raise concerns about the crisis in Croatia’s renewable energy sector.

The three associations emphasized that for several years, 60 projects for investments in solar, wind, geothermal, and batteries have been blocked, and that if nothing is done, many of them would soon be abandoned.

Without urgent deblocking of renewable energy projects, Croatia will lose investments, increase fossil fuel imports, which already exceed 25%, and miss the European Union’s and national target of at least 42.5% of energy consumption coming from renewables by 2030, according to Renewable Energy Sources of Croatia (RES Croatia), SolarPower Europe and WindEurope.

The national organization warned that the government is gradually phasing out subsidies for electricity prices for citizens and entrepreneurs. At the same time, the development of renewable energy sources as the only sustainable solution for lower bills and lowering imports is at a complete standstill, it added.

Projects with a total capacity of 3.5 GW and investments of EUR 3 billion are blocked

Croatia is currently subject to infringement proceedings due to delays in implementing the European Union’s RED II and RED III directive. They aren’t just a piece of paper, but a mechanism to ensure energy security and independence, which is of strategic interest for Croatia and its citizens, RES Croatia underscored.

The organizations are urging the European Commission to use its tools to demand from the government to determine the grid connection fee, but at EUR 0 per kWh, open up the balancing market for renewable energy producers, and integrate battery energy storage systems (BESS) and electrification into national planning.

Currently, 60 projects for solar power plants, wind farms, geothermal power plants, and batteries with a total capacity of 3.5 GW and investments of EUR 3 billion are blocked, according to the letter, accompanied by an annex.

The domestic industry is unable to sign long-term PPAs

For these projects, the state has already charged EUR 25 million through energy approvals— the first in a series of documents that requires payment to the state, which, due to the blockage, are beginning to expire at the end of this year.

Organizations stressed that these projects are permanently losing the paid money, while local communities are losing significant revenues that would have been allocated to them from the implementation of renewable energy projects.

They also drew attention to the domestic industry’s inability to sign long-term power purchase agreements (PPAs) with renewable energy producers, securing more favorable market conditions and thereby increasing its competitiveness in European and global markets.

Of note, the European Commission advised Croatia in June to speed up the installation of renewable energy capacities.

If nothing is done, projects of as much as 2.5 GW overall will be abandoned as early as next week

The associations pointed out that the development of new projects larger than 10 MW has stalled since 2022 because the Croatian Energy Regulatory Agency (HERA) has not set a transmission network connection fee for renewable power plants.

Instead, they added, Croatia’s transmission system operator (TSO) HOPS is trying to shift the costs of network modernization – planned over ten years ago and not related to new projects – to new renewable energy projects.

The minister of economy said in March that the upcoming connection fee would be EUR 0 per kW

It is increasing the project cost by 30% to 40%, making them unprofitable, RES Croatia said.

Such a model for financing the network is not from European practice, because 80% of member states rely on EU funds and their national budgets, rather than on producers.

They also recalled that the minister of economy announced in March that a connection fee would be set at EUR 0 per kW and that developers would be offered flexible contracts to encourage investment in battery storage. But that promise has not yet been fulfilled.

The three organizations warn that if nothing is done, projects of up to 2.5 GW altogether would be abandoned as early as next week after HOPS’s decision,. It means companies would withdraw from the Croatian market and lose millions in investments that would have permanently lowered energy prices in the country, RES Croatia claimed.

The balancing market is not functional

An additional problem is the non-functional balancing market, according to the letter.

HEP Proizvodnja, a subsidiary of state-owned utility Hrvatska Elektroprivreda (HEP), is the dominant provider of balancing services, and often the only one. HOPS is legally obliged to ensure market-based procurement of these services, yet it is itself a wholly owned subsidiary of HEP.

It creates an obvious conflict of interest and undermines market competition, the signatories underlined.

“Despite the demonstrated technical ability of solar and wind power plants to provide balancing services, HOPS doesn’t allow these plants to participate in balancing markets. As a result, HOPS frequently activates extremely expensive balancing resources, often at maximum regulated prices even during hours of high renewable generation and positive market prices,” the letter reads.

Croatia has no serious electrification plan

The organizations pointed out that such pricing constitutes a clear violation of the EU principle that balancing services must reflect only the actual costs incurred by the TSO.

They also stressed that Croatia lacks a concrete electrification plan. In 2022, renewable energy accounted for only 2.4% of final energy consumption in transport, with electricity from renewables contributing just 0.2%.

The target for renewable electricity in transport by 2030 is only 5.8%, reflecting limited ambition compared to the EU ambitions, according to the letter.

Electrification of railways could significantly reduce emissions and accelerate the transition, however, it remains an untapped potential, the signatories organizations noted.

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Zen Energy Group kicks off construction of hybrid PV-BESS project in North Macedonia

Luxembourg-based Zen Energy Group has started the installation of a hybrid energy project in North Macedonia, combining a solar power plant and a battery energy storage system.

A solar power plant with a battery energy storage system (BESS) could become the country’s second hybrid power plant, with Fortis Energy installing energy storage near Oslomej solar park.

Zen Energy Group kicked off the construction of a landmark solar plus storage project in North Macedonia, Yossi Edelstein, Chief Executive Officer of Zen Energy Group, wrote on LinkedIn.

From concept to construction, Zen Energy Group is making the future of energy a reality in the country, he added.

“We are proud to share that our 82 MW utility-scale solar project with 50 MWh BESS in North Macedonia has officially entered the construction phase,” Edelstein stated.

The PV plant will use LONGi bifacial solar panels

The company’s team kicked off earthworks, development of access roada and cut-and-fill activities. The project is scheduled to start delivering green electricity to the national grid by late April 2026 and to achieve full commercial operation date in August 2026, according to Edelstein.

The project marks another significant step toward advancing clean energy generation in the region, he added.

According to the firm’s website, the photovoltaic plant will be located near Negotino. It will use LONGi bifacial solar panels for the expected annual production of 124,198 MWh.

The financing was secured from NLB bank, the website reads.

The developer revealed that it has signed a power purchase agreement (PPA) for 10 years in total, with a six-year fixed price period.

Seven projects in the pipeline

Works near Negotino (photo: Zen Energy Group/LinkedIn)

Zen Energy Group is developing seven energy investments – for three solar parks, two wind farms, a standalone BESS, and a commercial and industrial (C&I) portfolio in the UK.

Wind farms Unirea (102 MW) and Traian (78 MW) are located in Romania, while two PV facilities in North Macedonia would have a total capacity of 137 MW. The Negotino endeavor is for 82 MW and the Armatus investment envisages 55 MW.

Solar project Hajdučica of 125 MW is planned in Serbia. All three PV plants would have BESS. The company is developing the Lacu Sarat standalone battery facility in Romania. If it were in operation now, it would be the largest BESS in Europe.