About MES
At MES, we develop modular BESS systems that offer installers, commercial and industrial customers maximum flexibility and efficiency. Our systems are designed for long service life, easy integration into PV systems and reliable operation – so that your projects are safe and economically successful right from the start.
Sub-brand of FSP Power Solution GmbH
MES is a brand of FSP Power Solution and part of a strong group of companies focusing on modern energy and storage solutions.
As a sub-brand, we benefit from the technical expertise, market experience and quality standards of FSP Power Solution, combining these specifically for scalable battery storage solutions in the B2B environment.
Our mission & values
Our mission is clear: we want to make the energy transition easier, more efficient and safer for businesses and households.
Our values at a glance
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Efficiency
Maximum energy yield for PV systems and grid integration
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Safety
State-of-the-art LiFePO₄ technology for stable, low-maintenance storage
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Sustainability
Durable, modular solutions for a green future
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Reliability
Decades of experience go into every product
Our values
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Sustainability
We develop products that minimise the carbon footprint and promote a circular economy.
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Safety
Safety is the top priority at MES. Our systems meet the strictest international standards.
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Efficiency
Maximum performance with minimum energy loss. We optimise every detail for top values.
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Responsibility
We take responsibility for our environment, our employees and our global community.
The team behind MES
Jeff Yen
CEO
Bernhard Haurenherm
Authorized signatory
Lukas Chong
Business Development Manager
Daniel Maaßen
Technical Sales Director
Walid Chahti
Sales Manager
Eric Wu
Technical Support Manager
Kaan Buyukulusoy
Trainee
Our goal is to provide reliable, future-proof systems for installers, trade and industry – efficient, modular and practical.
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