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The Hamburg-based energy startup 1KOMMA5° has expanded its pre-IPO financing round of 150 million euros, which was concluded in December 2024, by an undisclosed amount. Sabanci Climate Ventures, the ClimateTech investment arm of the Turkish Sabanci Group, has joined as a new investor.

© Christoph Neumann: Philipp Schröder, co-founder and CEO of 1KOMMA5°
© Christoph Neumann: Philipp Schröder, co-founder and CEO of 1KOMMA5°

1KOMMA5° primarily wants to scale its software business

The additional capital will be used to accelerate organic growth. From 2025 to 2027, the company plans to invest over 100 million euros in the expansion of its software business centred around Heartbeat AI. The energy management software currently controls over 500 megawatts of flexibility capacity, making it the largest integrated virtual power plant for private households in Europe. In November 2024, 1KOMMA5° announced the spin-off of Heartbeat GmbH as an independent subsidiary.

1KOMMA5° was founded in 2021, currently employs almost 2,500 people worldwide and serves over 120,000 customers. To date, the company has raised almost 400 million euros in equity and remains debt-free. With a valuation in excess of one billion euros, it is one of the so-called startup unicorns. Existing investors include Hamilton Lane, CalSTRS, G2VP, Porsche Ventures, Eurazeo, b2venture, eCapital, 2150vc, Norrsken, Blue Elephant Ventures, the Haniel and Schürfeld family offices and Jan Klatten.

“We are delighted to have the support of another strong, long-term investor to accompany us on our path to market leadership in the megamarket of home electrification. Despite two years of recession in Germany and regulatory challenges, we are growing profitably. With Heartbeat AI, we now want to become the last energy solution that customers need in their lives, replacing conventional energy suppliers with automated, AI-based direct electricity procurement. This way, we will always supply the cheapest and cleanest electricity - for decades to come!”
Philipp Schröder, CEO and co-founder of 1KOMMA5°

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