Tesvolt to grow ESS manufacturing capacity 10-fold with new plant in Germany

LinkedIn
Twitter
Reddit
Facebook
Email

German commercial and industrial (C&I) energy storage system firm Tesvolt is investing €60 million (US$64 million) in a new manufacturing hub at its headquarters in Saxony-Anhalt.

The money will go towards constructing two new buildings and renovating its existing production site at its headquarters in the town of Lutherstadt Wittenberg, pictured above, which has an annual production capacity of a few hundred MWh.

Construction on the new plant will start in spring this year and be completed in 2024, with an eventual annual production capacity of 4GWh.

It will assemble the company’s energy storage system (ESS) enclosures, which it sells to a variety of C&I markets in Europe.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Daniel Hannemann, Tesvolt CEO said: “In the future, our new Gigafactory is set to produce up to 80,000 storage systems per year – that equates to a tenfold increase on today’s production capacity. With this milestone we are contributing to an increase in international independence for the European energy transition.”

The project is eligible to receive up to €12 million in subsidies through the Investitionsbank Sachsen-Anhalt, the development bank of the state of Saxony-Anhalt.

The new plant will cover two floors totalling 6,000m2 and will feature a high-bay racking system that will quadruple the storage capacity.

Tesvolt is aiming to make the plant carbon-neutral. Its electricity will be provided by rooftop wind and solar, with any excess stored in its own ESS units, and its heat supply provided through air source heat pumps and heat recovery.

The company last year reported that orders for its products had increased 195% in light of the energy crisis which engulfed Europe after Russia’s invasion of Ukraine. Hanneman said at the time that companies were increasingly seeking to reduce their dependency on fossil fuels.

The German ESS market has been dominated by the C&I and residential sectors in recent years as homeowners have looked to become increasingly energy self-sufficient well before the post-Covid and post-Ukraine war energy crisis.

Tesvolt has previously said it expects sales of over €100 million in 2023.

Energy-Storage.news’ publisher Solar Media will host the eighth annual Energy Storage Summit EU in London, 22-23 February 2023. This year it is moving to a larger venue, bringing together Europe’s leading investors, policymakers, developers, utilities, energy buyers and service providers all in one place. Visit the official site for more info.

3 November 2026
Málaga, Spain
Understanding technology and supplier selection for Europe’s utility-scale PV market in 2027. PV ModuleTech Europe 2026 is a two-day conference that tackles these challenges directly, with an agenda that addresses all aspects of PV module, inverter and battery supplier selection; product availability, technology offerings, supply chain traceability, quality assurance, factory auditing, system reliability, and supplier bankability.

Read Next

September 18, 2026
A roundup of some of our key takeaways from the Energy Storage Summit Germany this week, including around FCAs, inertia, the capacity market (CM), EU restrictions on China, and the future of one very notable system integrator.
September 16, 2026
LFP is the de facto choice for the German BESS market today with sodium-ion still far from bankable, but that doesn’t mean choosing a supplier is necessarily straightforward. 
September 16, 2026
Zelestra and steelmaker Salzgitter Flachstahl have signed a PPA for a new solar-plus-storage portfolio in Germany.
September 16, 2026
Palisade Investment Partners has acquired 100% interests in two development-stage renewable energy projects through Intera Renewables.
September 15, 2026
Flexible Connection Agreements (FCAs) must not be used simply to exclude BESS from connecting to the grid, but the industry will have to make do with them and all their imperfections for the foreseeable.