Significantly improved delivery times
View delivery times at any time in the Partner Portal under "Current Information"
Release order before the end of the year!
TESVOLT acquires a stake in software company Wendeware
and secures a technological advantage in energy management
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Energetic and safe
E-Series now TÜV certified
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TESVOLT wins leading innovation prize for SMEs again
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Made in Germany: Lithium Battery Storage Systems
For Industry, Commerce and Agriculture


Safety, reliability and efficiency – without compromise. That’s what you can depend on at all times from our innovative and sustainable energy storage systems. Our systems prove their performance capacity every day in more than 4,000 projects across the globe. We are driving forward the energy transition together, protecting the environment and your budget.

From 10 kWh to 100 MWh outputs, connected to low or high voltage, on-grid or off-grid, in combination with solar, wind, hydro or combined heat and power sources – our broad product portfolio covers the full range of applications and can be individually adapted to your requirements. State-of-the-art prismatic lithium battery cells from Samsung SDI combined with our patented and TÜV-certified Active Battery Optimizer smart cell control system form the core of our storage systems.

TESVOLT energy storage systems are the economical choice for the most demanding applications. Made in Germany, in Europe’s first ever gigafactory for battery storage systems, in Lutherstadt Wittenberg.

Energy storage solutions for all requirements

Future-Proof Energy Storage System
Quality, performance, and optimum interplay between the individual components set our storage systems apart from the rest
We offer the appropriate solution for any application: from self-consumption optimisation to multi-use through to off-grid.
Our storage systems’ reliability, economic efficiency and safety impress clients in more than 4,000 projects across the globe.

Latest press releases

TESVOLT acquires a stake in software company Wendeware and secures a technological advantage in energy management
TESVOLT AG, one of the leading companies in technology for energy storage in the commercial and industrial sectors, is acquiring a substantial stake in Wendeware AG, an innovative software manufacturer in the area of energy management. The investment forms part of TESVOLT’s growth strategy and is expected to facilitate important technological progress in energy storage systems.
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TESVOLT energy storage systems pass highest safety test
Certification body TÜV Rheinland has classified TESVOLT battery storage systems as safe. The storage systems passed the prestigious institute’s rigorous safety tests, making TESVOLT one of the few manufacturers on the market that can verify the safety of its energy storage systems for commerce and industry with certification from the independent testing institute. The certificate confirms both the electrical and functional safety of its products.
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TESVOLT is now an “AG” with an outstanding Supervisory Board
TESVOLT, a global technology leader for energy storage in the commercial and industrial sectors, has appointed outstanding members to its newly established Supervisory Board as it transforms into an “Aktiengesellschaft” (“AG”, comparable to a public limited company). In taking this step, TESVOLT AG is providing for highly dynamic business growth and further internationalisation. The members selected for the Supervisory Board combine comprehensive expertise in the energy industry, corporate administration and international financing, each bringing extensive experience and excellent networks in these fields.
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Overview of our press releases

Latest News

kununu Top Company Seal 2023
Ratings on the kununu platform leave no doubt: TESVOLT is one of Germany’s most popular employers. So that makes us even happier to receive kununu’s “Top Company” seal of approval!
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Business Punk and Statista recognise TESVOLT as a top employer
Business Punk and Statista present the top start-up employers of 2022. 2,500 start-ups from Germany were assessed for the study. TESVOLT made it onto the final list of the 300 best companies in the country.
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TESVOLT and Neo Energy Group together at Energetab in Poland
From 13 to 15 September 2022, the largest trade fair for energy industry applications and technologies in Poland opened its gates. As one of 362 exhibitors, we presented ourselves to leading representatives of important energy companies as well as designers and service providers - all that in three languages!
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Get Started With Us As A TESVOLT Partner

TESVOLT Partners
Installers, dealers, project developers – discover the many benefits of being a TESVOLT partner and let’s drive forward the switch to sustainable energy together.
From webinars to certification and sales training, our Academy offers comprehensive expertise as part of our Partner Portal.
TESVOLT Planning Tools
Create projects, design applications, plan storage systems or generate quotations and parts lists: our planning tools, exclusively for our partners.

Our products

Our storage systems for increased energy and efficiency.
Our durable, modular storage systems meet the highest standards.
TESVOLT Energy Management System
Our innovative system for the simple recording, control and monitoring of all energy flows.

Our tools

TESVOLT Storage Calculator
Find the optimum storage system for your individual requirements – just like that!
Determine the actual costs of a stored kilowatt hour of electricity using our storage system costs calculator.
TESVOLT Peak Loads Configurator
Our dynamic simulation program for designing and optimising peak shaving. Identify your cost-efficient storage system in just a few steps.

Our projects

An overview of all projects

Our awards

Innovator of the Year 2022
TESVOLT, has been named “Innovator of the Year” in the TOP 100 competition for the second time.
Award for start-ups with a focus on climate neutrality
B2B Effie Award Silver
Germany's most important marketing award for the "TESVOLT Euro Tour" campaign
Germany´s Most Innovative Companies
A voting of the Capital magazine
Innovator of the year 2020
The most important innovation award for small and middle-sized companies in Germany
German Entrepreneur Award
The panel of judges appraised Tesvolt’s storage systems as a ...
The Smarter E Award
"The Smarter E Award" focuses on solutions and concepts that ...
The Hugo Junkers Prize has been awarded by the Ministry of Economy, ...
Global Manufacturing Award
MANPACK’s Global Manufacturing Award recognizes the “game ...
DCTI Project
The German CleanTech Institute (DCTI) is one of the leading global ...