Bulgaria

Hungary has imported over 5 billion cubic metres of Russian natural gas since January via TurkStream, under its long-term agreements with Gazprom, thereby supporting its national energy infrastructure.
The United States Nuclear Regulatory Commission has granted a 40-year extension for the AP1000 reactor design certification, supporting its long-term construction domestically and deployment abroad.

Rezolv Energy secures 731MW in Romania’s public-backed renewables auction

Rezolv Energy won three contracts for difference totalling 731MW in Romania’s second auction, supported by public financing mechanisms for renewable energy.
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After a prolonged technical shutdown, the Greek floating terminal resumes operations at 25% capacity, with near-saturated reserved capacity and an expanded role in exports to Southeast Europe.
Giant discoveries are transforming the Black Sea into an alternative to Russian gas, despite colossal technical challenges related to hydrogen sulfide and Ukrainian geopolitical tensions.

Sermatec invests in energy storage in Bulgaria with a 430 MWh project

Shanghai Sermatec Energy Technology Co., Ltd. announces an agreement to supply more than 430 MWh of energy storage in Bulgaria, marking a new step in the expansion of Chinese solutions in the European market.
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SUNOTEC and Sungrow announce the signing of a strategic contract to deploy 2.4 GWh of batteries for large-scale solar projects in Bulgaria, setting a new record for energy storage in Southeast Europe.
Naftogaz and the State Oil Company of the Republic of Azerbaijan (SOCAR) have formalised an initial contract for natural gas delivery via the Transbalkan corridor, opening new logistical perspectives for Ukraine’s energy supply.

More than ten-year delay for Bulgaria’s national nuclear waste repository

The Bulgarian National Audit Office report highlights persistent delays and contractual irregularities in the implementation of the national repository for low- and intermediate-level radioactive waste.
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The preliminary agreement launches planning and site assessment for a tailored AP1000 reactor, following two years of feasibility study, and enlists Westinghouse and Hyundai to support Fortum’s regional nuclear expansion.
OMV Petrom acquires 50% of the 400 MW Gabare photovoltaic project near Sofia, in partnership with Enery, in a deal valued at approximately €200 million including a potential energy storage solution.

Sigenergy installs 20 MWh modular system in Bulgaria with Trakia MT

Sigenergy deployed a 20 MWh modular energy storage system on a solar power plant in Bulgaria, demonstrating a targeted industrial investment in high-efficiency storage technologies.
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Gazprom increased its daily natural gas exports to Europe via the TurkStream subsea pipeline, reaching 46 million cubic metres per day in May, according to Reuters calculations.
Westinghouse has signed seven new agreements with Bulgarian suppliers to support the construction of two AP1000 reactors at the Kozloduy nuclear power plant, further expanding its local industrial footprint.

Serbia negotiates renewal of gas contract with Russia ahead of expiration

Belgrade aims to retain favourable pricing terms for Russian gas imports as the current contract nears its May 31 deadline.
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The United States is multiplying energy agreements with Romania and Bulgaria, focusing on civil nuclear power and hydropower storage to deepen its influence in strategic regional projects.
Bulgaria will begin expanding its gas network in the coming weeks, a cornerstone of the "The Vertical" project aimed at strengthening regional energy security following the halt of Russian transit through Ukraine.

EU Nuclear Alliance calls for nuclear energy inclusion in Europe’s affordable energy plan

Eleven European countries urge the European Commission to include nuclear energy in the Affordable Energy Action Plan, aimed at reducing energy costs and enhancing the continent's energy security.
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Bulgarian and Hungarian ministers discussed ambitious energy projects aimed at strengthening regional energy security, including two green corridors and initiatives to diversify supply chains.
Two American grants will finance studies on radioactive waste management and modular nuclear reactors in Bulgaria, strengthening bilateral cooperation and supporting the country's energy objectives.