Climentum Capital

Founded in 2021, Climentum Capital is a venture capital firm based in Copenhagen, Denmark. It invests in European seed and series A climate tech companies, focusing on sustainable, low-carbon, and circular industries.

Morten Halborg

Managing Partner

Doerte Hirschberg

General Partner

Dörte Hirschberg

General Partner

Stefan Maard

General Partner

Stefan Mård

General Partner

Maru Winnacker

Partner

Past deals in Energy

Novatron

Series A in 2025
Novatron is focused on developing a proprietary fusion power concept aimed at producing clean, sustainable energy. Collaborating with physicists, engineers, and academic institutions, the company seeks to create an energy system that not only reduces reliance on fossil fuels but also minimizes greenhouse gas emissions. By advancing fusion energy technology, Novatron aims to provide abundant and renewable energy solutions, contributing to a more sustainable future for humanity.

Scale Energy

Seed Round in 2025
Scale Energy, based in Europe, specializes in developing and managing a vast, decentralized network of energy storage systems. The company's primary focus is to facilitate the transition to a cleaner power supply by offering industrial energy storage products that enable businesses to store and utilize renewable energy sources more efficiently. This not only promotes economic growth powered by green electricity but also enhances the resilience of the European economy. By monetizing their infrastructure, businesses can accelerate the energy transition, contributing to a more sustainable future.

Qvantum

Series C in 2025
Qvantum is a supplier of innovative and efficient energy solutions, specializing in the manufacturing of heat pump products aimed at decarbonizing the heating and cooling market. The company offers a range of heat pumps, including water-to-water, air-to-water, and exhaust air models. These products incorporate advanced features such as noise reduction, inverter technology, thermal storage, and indoor compression, allowing Qvantum to provide effective and sustainable heating and cooling solutions to its customers.

ZeroPoint Technologies

Series A in 2024
ZeroPoint Technologies specializes in innovative memory compression technology aimed at enhancing data center and smart device efficiency. By removing up to 70% of unnecessary information from microchips, the company enables significantly improved performance, achieving up to 50% more performance per watt. This technology combines ultra-fast data compression, real-time data compaction, and transparent memory management into a single solution, making it distinct in the industry. The company's products allow data centers to maximize performance while minimizing energy consumption, and enable smart device developers to enhance performance and user experience without sacrificing battery life. ZeroPoint's approach is founded on decades of research from a renowned academic group, supported by a robust patent portfolio and a continuous pipeline of innovative ideas. The company delivers hardware intellectual property blocks that clients can integrate into their systems on a chip (SoC) and collaborates closely with industry leaders on advanced technology projects.

Novatron

Seed Round in 2023
Novatron is focused on developing a proprietary fusion power concept aimed at producing clean, sustainable energy. Collaborating with physicists, engineers, and academic institutions, the company seeks to create an energy system that not only reduces reliance on fossil fuels but also minimizes greenhouse gas emissions. By advancing fusion energy technology, Novatron aims to provide abundant and renewable energy solutions, contributing to a more sustainable future for humanity.

Kärnfull

Seed Round in 2023
Kärnfull is the first provider of 100% nuclear electricity in the Nordic region, operating in Sweden and Denmark. The company focuses on sustainable electricity production by supplying fossil-free energy from nuclear sources, known for its low carbon emissions of 2.5 grams CO2 per kilowatt-hour. Kärnfull employs a fully digital service model and utilizes Guarantees of Origin to ensure transparency and accountability in energy sourcing. The company aims to empower consumers, offering them the choice of electricity agreements that help manage costs while supporting the stability of energy grids and minimizing environmental impact. Kärnfull is backed by a group of pro-bono advisors with expertise in nuclear energy and sustainability, indicating a strong commitment to research and development in next-generation nuclear technology.

Jolt Electrodes

Series A in 2023
JOLT is a new generation of electrodes and electro-catalytic/protective coating solutions for hydrogen and water treatment electrolyzers. JOLT is accelerating the worldwide transition to green hydrogen by developing innovative solutions that will propel the world towards a more sustainable future.

ZeroPoint Technologies

Seed Round in 2023
ZeroPoint Technologies specializes in innovative memory compression technology aimed at enhancing data center and smart device efficiency. By removing up to 70% of unnecessary information from microchips, the company enables significantly improved performance, achieving up to 50% more performance per watt. This technology combines ultra-fast data compression, real-time data compaction, and transparent memory management into a single solution, making it distinct in the industry. The company's products allow data centers to maximize performance while minimizing energy consumption, and enable smart device developers to enhance performance and user experience without sacrificing battery life. ZeroPoint's approach is founded on decades of research from a renowned academic group, supported by a robust patent portfolio and a continuous pipeline of innovative ideas. The company delivers hardware intellectual property blocks that clients can integrate into their systems on a chip (SoC) and collaborates closely with industry leaders on advanced technology projects.

Qvantum

Series B in 2023
Qvantum is a supplier of innovative and efficient energy solutions, specializing in the manufacturing of heat pump products aimed at decarbonizing the heating and cooling market. The company offers a range of heat pumps, including water-to-water, air-to-water, and exhaust air models. These products incorporate advanced features such as noise reduction, inverter technology, thermal storage, and indoor compression, allowing Qvantum to provide effective and sustainable heating and cooling solutions to its customers.
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