Your consulting partner in energy investments

Energy storage for business and investment

Guiding businesses from concept to commissioning – consulting and managing smart energy storage for lasting returns.

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 BESS 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 projects, REEI now focuses on providing end-to-end consulting for energy storage 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

We collaborate with trusted manufacturers, EPC partners, and contractors to ensure every project is delivered with precision, reliability and technical excellence.

Our projects

Our projects

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.

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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.

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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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“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.”

“Working with REEI has been smooth and productive. The team is professional, reliable, and focused on achieving results – a great partner in BESS projects.”

“Our experience with REEI has been good, and they have extensive knowledge and background in developing BESS projects. Their experience and understanding of the technical and commercial aspects make them a valuable partner in this field.”