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April 6, 2025
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EDP Renewables inaugurates two wind power plants in Greece

EDP Renewables declared its two new wind farms in Central Greece and Thessaly open, adding almost 70 MW to the transmission grid. The country expanded its wind power capacity by only 125 MW last year.

EDP and its subsidiary EDP Renewables held an inauguration ceremony for two wind parks in Greece. It secured government support for both in 2019 at renewable energy auctions, through 20-year contracts for difference (CfD). At the time, the Portugal-based utility expected to begin commercial operations in 2022.

The two facilities have almost 70 MW in combined capacity connected to the transmission grid. The expected annual output is 143 GWh. It is equivalent to the electricity needs of more than 37,000 Greek households. EDP Renewables estimated carbon dioxide emissions savings to be over 102,000 tons per year.

Greece increased its wind power capacity by only 125 MW last year.

EDP Renewables relies on 20-year CfDs in its wind power investments in Greece

The event was held at the Xironomi site in Boeotia (also Beotia and Viotia) in the region of Central Greece. The wind farm has a capacity of 36 MW and the CfD is for 33 MW.

The other facility is Chalcodonio. It is located in the Magnesia regional unit in Thessaly. The 33.6 MW wind farm project has won a 30 MW contract for difference.

“Greece is emerging as a regional leader in renewable energy, as its abundant wind and solar resources offer enormous potential. The country’s commitment to reduce carbon emissions by 55% by 2030, in line with EU targets, makes it an attractive market for clean energy investments,” said Country Manager of EDP Renewables Dionysios Andronas.

Company has four facilities online

The company has 150 MW online in Greece in four wind parks, positioning it among the top 10 operators in the segment, according to the announcement.

Last year EDP Renewables commissioned its Erimia wind power plant of 35 MW and an estimated annual production of 71 GWh. It entered the Greek market in 2018 with two 20-year CfDs.

The company later reached an agreement with infrastructure group Ellaktor for the joint development of onshore wind projects.

EDP plans 3 GW of renewable energy capacity per year, focusing on wind and solar power as well as energy storage. In its business plan for the period 2023-2026, the company earmarked EUR 12 billion for investments on a global scale.

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April 6, 2025
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Race against time for Greece to avoid a blackout on Easter

Greek authorities are rushing to secure the electricity system against a possible blackout during Easter.

Greece currently produces much more electricity than it needs on certain days due to a high renewables penetration and insufficient energy storage. It should be noted that in 2024 the country became a net power exporter for the first time after two decades. Usually, extra power is no problem, as it is exported and curtailments ensure nominal system operation with no danger of a blackout.

However, this year there will be days when low demand combined with high renewable electricity production creates a problem. At Easter, demand traditionally craters.

Independent Power Transmission Operator (IPTO or Admie) estimates that on Easter Sunday the country’s interconnections would operate near their maximum safety limits. If even a single line goes offline, it would lead to a domino effect and the possible loss of all the connections with neighboring countries. As a result, the frequency will rise beyond safe limits in the Greek system, triggering the desynchronization of power plants and a blackout.

To avoid such a scenario, authorities have imposed adding telemetry systems in recent months to photovoltaic units of over 400 kW connected to the distribution network. Currently, the Hellenic Electricity Distribution Network Operator (HEDNO or DEDDIE) can curtail 1.9 GW of solar power capacity, but another 6 GW is unswitchable.

Telemetry must be enabled by April in small PV units

A deadline was given until February 13 to the owners within the latter category to add telemetry equipment so that HEDNO can curtail their production when needed. However, very few complied and the rest said they are still waiting for the systems to be delivered.

HEDNO estimates that 5,700 plants with capacities of 400 kW to 1 MW must be added to curtailments, as well as 600 plants with more than 1 MW apiece.

Based on the above, owners of solar power units and the two grid operators must add the ability by April to ensure system stability.

Gradual installation of energy storage facilities is expected to help significantly and bring curtailments down.

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April 6, 2025
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Greece presents 3.55 GW plan for standalone batteries

A new ministerial decree sets the framework for the installation of 3.55 GW of energy storage – standalone batteries, without subsidies.

The new framework for batteries, presented by the Ministry of Environment and Energy, is under public consultation.

It drastically increases the ambition, originally for between 2 GW and 2.5 GW. Now the government aims for 2.65 GW of batteries in the transmission grid plus another 900 MW in the distribution grid.

It should be noted that the Greek National Energy and Climate Plan (NECP) calls for 4.3 GW of storage by 2030. So far, 900 MW was allocated through auctions, which means that all the rest would be under the scope of the new plan. The difference is that there are no more subsidies, as battery storage is considered a mature technology.

Strict completion times for new standalone batteries

To participate in auctions, batteries will need to provide at least two hours of storage. The new projects will face strict completion deadlines, including 14 months for grid connection terms. Otherwise, investors will lose the EUR 200,000 per MW letter of guarantee required for projects in the transmission network and EUR 50,000 per MW in distribution.

Another interesting aspect is the inclusion of a competition restriction. Each company would be able to submit applications for a maximum 200 MW in combined capability.

Capability quota split among several categories

Future auctions for standalone batteries will be divided into categories.

In the transmission network, 500 MW was allocated to projects with power purchase agreements (PPAs) of at least eight years with energy intensive industries.

Another 100 MW is set for batteries of over 10 MW each, also with private PPAs.

There is a 250 MW quota for batteries in coal regions. The largest part, 1.8 GW, is for other projects

When it comes to the distribution level, 400 MW is for battery energy storage systems (BESS) of at least 5 MW apiece.

The categories of 1 MW to 5 MW, and under 1 MW, have quotas of 200 MW each. The ministry envisages 100 MW for investments with PPAs signed with businesses or industrial production facilities.

The regions of Central Macedonia and Western Macedonia account for the largest shares of the planned operating power, 300 MW each.

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April 6, 2025
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Alexandroupolis LNG Terminal to remain out of service at least until end-March

On the day when it was supposed to get the Alexandroupolis LNG Terminal in Greece back online, its operator Gastrade extended the outage by another month. The company never revealed the details of the malfunction.

Just as gas storage in the European Union slipped below 40% of capacity, the operator of the Alexandroupolis LNG Terminal substantially pushed back the target date of restarting operations. Located offshore northeastern Greece, the facility has major potential for boosting the market in other Southeastern European countries and providing ample supply.

After several shorter delays, Gastrade extended the outage by another month, until March 31. On January 23 it reported a technical issue. Then it announced that a limited regasification service would be available, but there were virtually no gas flows for a few days. On January 28, the company declared that the liquefied natural gas facility went offline.

Gastrade was supposed to bring Europe’s newest LNG terminal back to service on February 28. Instead, it prolonged the outage for a whole month that day, fueling concerns about the severity of the malfunction and speculation about the cause.

Operators association Gas Infrastructure Europe and the European Network of Transmission System Operators for Gas (ENTSOG) noted the update.

Capacity utilization of Alexandroupolis LNG Terminal was relatively low

Put into commercial operation at the beginning of October, the facility could regasify LNG to as much as 5.5 billion cubic meters per year. The capacity of the floating storage and regasification unit (FSRU), the LNG ship, is 153,500 cubic meters.

Gastrade’s update fueled concerns about the severity of the malfunction and speculation about the cause.

Importantly, the Alexandroupolis LNG terminal has only a handful of contracts. It means the controversial breakdown doesn’t directly jeopardize gas supply in the Balkans much. In addition, Bulgaria’s Bulgargaz secured a replacement from Turkey.

Founding shareholder Elmina Copelouzou, LNG carrier fleet owner and operator GasLog, DEPA Commercial, Bulgartransgaz and Greece’s National Natural Gas System Operator (DESFA) all control 20% each in the joint venture in Alexandroupolis.

Discussions are underway in the European Union to cut back the obligatory 90% gas storage level, on November 1 each year, to 80%. The measure obviously wouldn’t help next winter’s security of supply, but there would be less demand and upward pressure on prices.

Balkan Stream pipeline is currently only direct route for Russian gas

Just before the Alexandroupolis LNG Terminal crashed, an outage at Azerbaijan’s Shah Deniz gas field disrupted the deliveries to Europe through the Southern Gas Corridor, toward the Trans Adriatic Pipeline – TAP.

Ukraine declined to renew a contract with Russia, halting the flow of gas to Central Europe at the beginning of the year. The TurkStream and Balkan Stream pipelines remained the only direct and operating route for Russian gas.

Serbia, Hungary, Bosnia and Herzegovina and North Macedonia are counting on the Alexandroupolis LNG Terminal, the new interconnectors between Greece and Bulgaria (IGB) and Bulgaria and Serbia as well as on deliveries of gas from Azerbaijan. In addition, there are plans for gas pipelines connecting North Macedonia with Greece and Serbia.

Serbia and Romania intend to build a gas link of 1.6 billion cubic meters in annual capacity. Minister of Energy Sebastian Burduja said last year that Romania has become the biggest natural gas producer in the European Union. Moreover, its Neptun Deep offshore field is due to come online in 2027.

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April 6, 2025
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Greek renewables sector slams curtailments bill for not including compensation

Power network operators won’t need to compensate renewable energy producers in Greece for curtailments, according to the latest bill of law. It prompted reactions in the renewable energy market.

The bill, submitted for public consultation, received damning remarks from the Hellenic Wind Energy Association (HWEA or ELETAEN) and various other bodies and corporations for the provisions regarding curtailments.

The country’s two operators wouldn’t be obligated to pay compensation. It should be noted that last year curtailments rose by 277% and reached 3.3% of all renewable production in Greece. They are projected to reach new highs in 2025.

The issue primarily plagues larger plants including wind farms, as they have the technical ability to respond to curtailment orders from the Independent Power Transmission Operator (IPTO or Admie). Conversely, smaller photovoltaic facilities connected to the grid of the Hellenic Distribution Network Operator (HEDNO or DEDDIE) have no such telemetering equipment, so they produce freely at all times.

Indeed, Greek authorities aim to make such systems mandatory in smaller renewables plants to be able to curtail them, to maintain system stability, especially during the days of Easter. If an owner fails to make necessary changes, they would be subject to a high penalty, yet to be determined.

Producers point to European law for compensation

HWEA expressed the belief operators should be exempted from compensation only if a proper framework is established that compensates larger producers for curtailments. In practice, it means any revenue collected from the penalties should be used as compensation for other producers.

HWEA: Producer compensation mechanism is necessary

The association added that compensation is obligatory under European law and therefore needs to be included in the regulatory framework.

“The only right way is for the government to conclude the long-awaited framework and introduce a specific producer compensation mechanism,” HWEA pointed out.

Cero Generation Holdings Greece said it is very concerned about proposals for IPTO and HEDNO not to be obliged to provide any compensation.

Curtailment responsibility shifted to aggregators

Another issue concerns the role of renewable energy aggregators, which represent groups of smaller producers in the market. Both HWEA and Elpedison said it is the operators that need to enforce and manage curtailments, and not aggregators, as in the proposed law.

With such measures, aggregators will face increased costs as well as the possibility of having their license recalled if they cannot carry out their new duties, the company pointed out.

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April 6, 2025
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Terna Energy to build solar power plant of 130 MW in Bulgaria

Terna Energy is developing a project for a 130 MW photovoltaic plant near Burgas in Bulgaria. The company, owned by Masdar, plans to connect it to the grid already by the end of next year. Recently it also reached landmark points in the development of wind power projects in Greece.

Abu Dhabi Future Energy Co. (Masdar), which has high ambitions for its expansion in Southeastern Europe, relies to a great extent on its recently acquired subsidiary Terna Energy. The Greek company revealed that it is preparing to install a 130 MW solar park near the village of Vratitsa in eastern Bulgaria.

The project in the municipality of Kameno in Burgas province includes design and procurement, as well as grid connection works including a new 33/110 kV substation. Terna Energy Group said it is targeting completion by the end of 2026.

As part of the strategic cooperation with the former parent company, GEK Terna, its construction arm Terna SA was selected as the contractor, the announcement reads.

Terna Energy operates two wind farms in Bulgaria, with 30 MW in overall capacity.

With its recent share purchases, Masdar boosted its stake in the Greek company to 97.6% from 87.9%. The green energy giant based in the United Arab Emirates acquired Terna Energy last year.

Wind power projects in Evia progressing

In other recent news, Terna Energy received operating licenses for four projects for a wind power complex. The sites are in Karystos in Greece’s second largest island – Evia, also known as Euboea. It is one of the country’s wind power hubs and an important area for the company.

The Terna Energy Omalies subsidiary is responsible for the said investments, of 78 MW in total. They are part of an endeavor consisting of 11 wind farms.

The location for the biggest of the four, at 36 MW and with 12 turbines, is called Praro. The company ordered 3 MW machines from Enercon for all the sites. Molizeza 1 and Kalamaki 2 are for 18 MW each, and Kalamaki would have 6 MW.

Joint venture with MORE for Greece’s first offshore wind farm

Of note, the construction of wind parks in the Balkans has mostly slowed down. Moreover, Bulgaria has been at a standstill since the first wave of investments died down more than a decade ago, while Romania is struggling to pick up pace. Greece added only 125 MW last year.

Terna Energy is counting on opportunities in the offshore wind domain. In January, it joined forces with Greek refiner Motor Oil in the pilot project for the country’s first facility of the kind.

Motor Oil Renewable Energy (MORE) now holds 50% of joint venture Aioliki Provata Traianoupoleos. The project firm is tasked with developing a 400 MW offshore wind power plant on the Ionnian Sea between Alexandroupolis and the island of Samothrace. The two companies aim to complete it by the end of the decade.

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