Delivering clean green sustainable
energy
Sustainable Energy Supply is an established trader of natural gas, petroleum products and electricity
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Clean energy
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Green economy
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Sustainability
Global challenge
International energy markets
Sustainable Energy Supply is actively positioned in international energy markets, maintaining a presence in six European countries and operating in a highly competitive and dynamic environment.
A diversified presence across European energy markets, creating value through extensive industry expertise, strategic market insight, and a proactive approach to identifying opportunities across multiple regions.
Energy Markets
Operating across major European gas markets with a focus on security, liquidity, and efficiency, leveraging market expertise and strategic partnerships to deliver reliable and competitive long-term energy solutions for our clients.
Natural Gas Markets
Delivering reliable trading solutions through active participation in regional power exchanges. Our focus on real-time market signals allows for precise energy balancing, maximizing efficiency across diverse power portfolios.
Electricity Markets
International presence
Sustainable Energy Supply operates internationally
We operate on 10 markets of natural gas, electricity and petroleum products across borders.
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Bulgaria -
Greece -
Serbia
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Croatia
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Romania
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Italy
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Hungary
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North Macedonia
What we do
Sustainable energy trading
We deliver comprehensive sustainable energy solutions, connecting regional and global markets through reliable trading, infrastructure access, and cross-border operations.
Natural Gas Trading
Active participation in regional and international gas markets through exchange trading and bilateral contracts.
Electricity Trading
Reliable and competitive electricity solutions supported by market expertise and strategic partnerships.
LNG & Infrastructure Access
Strategic access to LNG supply routes and key regional infrastructure, enhancing flexibility and energy security.
Cross-Border Operations
Leveraging regional market connectivity to create value and trading opportunities.
Strategic Partnerships
Building strong relationships with suppliers, operators, and end customers throughout the energy value chain.
Sustainable Growth
Building long-term value through innovation, responsible operations, and market expertise.
Our mission
Our commitment to Sustainable Energy Supply
Sustainable Energy Supply operates through an integrated value chain covering all stages of energy trading — from resource sourcing and transportation capacity management to balancing, optimization, and final delivery. This approach ensures efficiency, flexibility, and full control throughout the supply process.
Resource Sourcing and Market Access
Securing natural gas resources through exchange-based trading and bilateral agreements with leading market participants.
Capacity Management and Optimization
Active nomination, balancing, and transportation management through key infrastructure operators including ICGB, Bulgartransgaz, DESFA, and SNAM.
Reliable Customer Delivery
Tailored supply solutions designed to meet customer requirements with competitive pricing and operational flexibility.
Pricing and Trading Instruments
Flexible Pricing and Risk Management Solutions
The company applies market-driven pricing mechanisms and internationally recognized benchmarks. Flexible pricing structures enable adaptation to changing market conditions and customer requirements.
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Fixed-price structures
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Floating-price structures linked to market benchmarks
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Hybrid pricing models and hedging strategies
Sustainability goals
Alexandroupolis
LNG Terminal
The Alexandroupolis LNG Terminal is a strategic part of Sustainable Energy Supply's supply portfolio, providing direct access to global liquefied natural gas (LNG) markets and strengthening the company’s regional trading capabilities.
Sustainable Energy Supply utilizes the terminal as a key entry point for LNG sourced from international suppliers. Through the terminal’s regasification capacity and its connection to regional transmission infrastructure, the company is able to import natural gas, optimize delivery routes, and supply multiple Southeast European markets.
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The integration of the Alexandroupolis LNG Terminal with key regional infrastructure, including the Interconnector Greece–Bulgaria (ICGB), enables Sustainable Energy Supply to transport regasified natural gas efficiently to Bulgaria and neighboring markets such as Romania, Serbia, and Hungary
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For Sustainable Energy Supply, Alexandroupolis is more than strategic infrastructure—it serves as a critical trading and supply tool that enhances operational flexibility, strengthens risk management, and supports long-term portfolio growth in an increasingly dynamic European energy market
Partner with Sustainable Energy Supply
Let's discuss tailored Sustainable Energy Supply solutions, flexible pricing structures, and long-term energy partnerships designed to support your objectives.