German startup 1Komma5° to build up to 5GW TOPCon module assembly plant

Facebook
Twitter
LinkedIn
Reddit
Email
1Komma5° targets to start production of its modules in 2024 with an initial annual nameplate capacity of 1GW. Image: 1Komma5°.

Hamburg-based energy startup 1Komma5° has planned to set up a 5GW tunnel oxide passivated contact (TOPCon) module assembly plant in Germany.

With a target to start commercial operations in 2024, the plant will have an initial annual nameplate capacity of 1GW before increasing it to 5GW by 2030, said Jannik Schall, co-founder of 1Komma5°.

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

Founded in 2021, the startup launched its own solar modules at the end of 2022 using German-made polysilicon, according to the company.

The announcement follows a recent investment from venture capital company 2150, who will invest an undisclosed double-digit million euro amount to further develop and expand the software application of its “Heartbeat” software along with the opening of a development site and test laboratory in Berlin next year.

This financing follows upon a Series B financing of €250 million (US$263 million) in equity and a further €215 million in the form of re-investment options.

The production plant is expected to be located either in Brandenburg or Saxony, said Jannik Schall, co-founder of 1Komma5°. Moreover, The startup currently covers several markets in Europe – Germany, Sweden, Denmark, Spain, Finland and Italy – and Australia.

Read Next

Premium
October 6, 2025
Talon PV aims to be the first US company to safely manufacture TOPCon cells at scale, backed by European technology and a crucial First Solar licensing deal.
October 6, 2025
German solar inverter manufacturer SMA Solar will cut 350 jobs in 2026 as it adapts to the “weak” residential PV market.
October 2, 2025
The Indian solar industry has 86GW and 182GW of solar cell and module manufacturing capacity, respectively, expected to be commissioned by 2027.
September 29, 2025
German renewables developer ABO Energy is looking to begin owning and operating its energy projects in a transition from a “pure play” developer to an independent power producer (IPP) model.
Premium
September 25, 2025
An anticipated uptick in US cell manufacturing presents opportunities for European PV tool producers, says RENA Technologies’ Michael Vees.
September 25, 2025
Inox Solar has started the first phase of commercial operations at a module manufacturing plant in Bavla, India.

Subscribe to Newsletter

Upcoming Events

Solar Media Events
October 21, 2025
New York, USA
Solar Media Events
November 25, 2025
Warsaw, Poland
Solar Media Events
December 2, 2025
Málaga, Spain
Solar Media Events
February 3, 2026
London, UK