“Market experts who deliver on time and on promise. The team’s professionalism helped save both time and costs during project execution, while preventing potential issues throughout the process.”
Consulting partner in energy investments
Battery Energy Storage Systems (BESS) in the Baltics
Guiding businesses and investors from concept to commissioning – consulting and managing BESS projects across Lithuania, Latvia, and Estonia.
End-to-End BESS Solutions in the Baltics
From market entry to long-term asset management, we help investors and developers build profitable, future-proof battery energy storage projects.
About us
Regional experts in BESS investments
In BESS projects, what you see at first is only the tip of the iceberg. Navigating the depths of regulatory and compliance challenges, risk management, and financial structures can be complicated.
We are here to help you. With long-standing experience in renewable energy storage projects, REEI now focuses on providing end-to-end consulting for BESS investments across the Baltic region.
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Years of experience
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Implemented projects
Our partners
A strong network of trusted partners
Projects
Our BESS projects
Svencioneliai 12MW/24MWh
RASEINIAI BESS PARK 200MW/400MWh
The Raseiniai BESS Park is a large-scale 200 MW / 400 MWh battery energy storage facility located in the Raseiniai region of Lithuania. Connected to the 30/330 kV Berteskiai substation, this project is designed to enhance grid stability, enable renewable energy integration, and support Lithuania’s transition toward a resilient and flexible power system.
ALYTUS BESS PARK 140MW/280MWh
The Alytus BESS Park is a flagship 140 MW / 280 MWh energy storage project located in the Alytus region, Lithuania. Connected to the 330 kV Alytus substation, this large-scale facility will play a critical role in grid balancing, cross-border electricity exchange, and supporting the LITPOLINK international 400 kV interconnection between Lithuania and Poland.
DUKSTAS BESS PARK I 10MW/20MWh
The Dukstas BESS Park is a 10 MW / 20 MWh battery energy storage system planned in the Dukstas area of the Ignalina region, Lithuania. Strategically connected to the 10/35/110 kV Dukstas substation, the project offers a highly cost-effective and technically optimized grid connection point.

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