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Renewable energy jobs at Voltfang

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Aachen 101–250 employees Energy storage · Smart grid · EV charging voltfang.de
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Voltfang
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About Voltfang

Company Overview

Name

Voltfang

Headquarters

Aachen, Germany

Founded

2020

Size

Approximately 80 employees (as of mid-2025) (source: nrwglobalbusiness.com). Revenue data is not publicly available as Voltfang is a private company.

What They Do

Voltfang specializes in developing high-performance storage systems for the second life of batteries. The company recycles lithium-ion batteries from electric vehicles, which typically use NMC chemistry and retain over 80% of their capacity, to create stationary units for commercial, industrial, and grid-connected applications (source: nrwglobalbusiness.com). Key products include the modular Voltfang 2 series, which encompasses systems from 33 kWh to 644 kWh, as well as scalable commercial units from 50 kWh to 1 MWh. The grid-connected Voltfang 2 Plus GS systems are available in 20- and 40-foot containers with a capacity of 3.2 to 6.35 MWh (source: pv-magazine.com). Each system integrates the proprietary, AI-driven energy management software Venma, which enables cell-level monitoring, self-consumption optimization, and energy trading (source: eu-startups.com).

Projects & Track Record

By early 2024, Voltfang had installed over 800 kWh, scaling to 5 MWh in 2023 and 20 MWh in 2024. The company plans to realize an additional 250 MWh across Europe by the end of 2026 and to reach a capacity of 1 GWh by 2030 (source: siliconrepublic.com). Notable projects include installations at customers such as Aldi Nord, Alba Group, and Fiege Logistik, integrated with PV systems and charging stations to enhance grid stability (source: pv-magazine.com). Current large-scale projects include planning and operating grid-connected systems in collaboration with Palladio Partners (source: electrive.com).

Recent Developments

In June 2025, Voltfang completed a Series B funding round of 15 million euros to finance the Voltfang Future Fab and the 250 MWh rollout by 2026 (source: eu-startups.com). Previously, a seed round of 5.2 million euros took place in the summer of 2024 (source: siliconrepublic.com). In August 2023, the new outdoor storage system was unveiled, suitable for various applications (source: pv-magazine.com).

Working at Voltfang

Voltfang is hiring in various areas, including engineering, production, project management, and sales. Proximity to RWTH Aachen allows the company to attract and nurture talent (source: siliconrepublic.com). The company culture emphasizes rapid growth and societal impact through the transition to sustainable energy (source: nrwglobalbusiness.com). Open positions focus on the headquarters in Aachen and the new Future Fab locations (source: eu-startups.com).

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