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Lutherstadt Wittenberg 501–1,000 employees Energy storage tesvolt.com
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TESVOLT
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About TESVOLT

Company Overview

Name

TESVOLT GmbH, privately held

Headquarters

Lutherstadt Wittenberg, Germany

Founded

2014

Size

In 2023, TESVOLT employed around 230 people, generating annual revenue of 88.1 million euros, representing a 23% growth compared to the previous year (source: lobbyregister.bundestag.de)

What They Do

TESVOLT specializes in the development, construction, and integration of battery storage systems for commercial, industrial, and utility applications. The company offers comprehensive solutions ranging from hardware development and project planning to installation, maintenance, and in some cases, energy trading and flexibility marketing (source: tesvolt.com). Since its founding, TESVOLT has completed more than 6,000 projects worldwide and supplies both outdoor and containerized storage systems suitable for a wide variety of applications (source: tesvolt.com). With the construction of a new gigafactory in Lutherstadt Wittenberg, scheduled to start operations in 2025, TESVOLT plans to increase production capacity to up to 4 GWh annually and manufacture up to 80,000 storage systems per year (source: energy-storage.news).

Projects & Track Record

Since 2014, TESVOLT has implemented over 6,000 battery storage projects worldwide (source: tesvolt.com). In July 2024, TESVOLT secured its largest order to date for a 65 MWh battery storage park near Worms in Rhineland-Palatinate, realized in cooperation with EWR AG, W POWER, and TIMBRA. TESVOLT is responsible for delivering, installing, and later servicing the system, which is scheduled to go live in 2025 (source: tesvolt.com). Additionally, TESVOLT received approval for a 190 MWh battery storage park in Wittenberg with a grid connection capacity of 60 MW, designed as a merchant facility for energy trading and planned to be commissioned in March 2028 (source: ess-news.com). Furthermore, TESVOLT has completed several solar-plus-storage projects, such as in Gardessen near Braunschweig, where two TPS-E storage containers with 10 MWh capacity are coupled to a 12 MWp solar plant, supplying electricity to around 5,000 households (source: energy-storage.news).

Recent Developments

In 2024, TESVOLT began construction of its new gigafactory in Lutherstadt Wittenberg with an initial investment of around 30 million euros. The factory aims to reach an annual production of 4 GWh and manufacture up to 80,000 storage systems per year (source: tesvolt.com). Also in 2024, the 65 MWh storage park near Worms was announced as the largest order in the company’s history (source: tesvolt.com). In 2026, TESVOLT received approval for the 60 MW / 190 MWh project in Wittenberg, designed as a merchant facility for energy trading and representing a significant expansion of its portfolio (source: ess-news.com).

Working There

TESVOLT employs a diverse team with a strong focus on engineering and development, including an average of 35 employees in research and development in 2023 (source: lobbyregister.bundestag.de). The new gigafactory in Wittenberg is expected to create over 400 additional jobs, primarily in manufacturing, logistics, production, and operations (source: tesvolt.com). The company culture emphasizes holistic project management, with employees working in areas such as project development, installation, service, maintenance, and energy trading (source: tesvolt.com).

Last updated Sep 18, 2026 · Report an issue

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