1KOMMA5°

Founded in 2021, 1KOMMA5° is a cleantech company headquartered in Hamburg, Germany, with a presence in Berlin. Its mission focuses on accelerating the transition to carbon-neutral energy in private households, aligning with the Paris Agreement's goal of limiting global warming to 1.5°C. The company provides integrated solutions for solar power, energy storage, heat pumps, and electric vehicle charging infrastructure, creating a one-stop shop for sustainable home energy systems. 1KOMMA5° distinguishes itself through a dual strategy of acquiring established renewable energy installation businesses and developing advanced digital tools. Its proprietary energy management system, *Heartbeat AI*, connects over 40,000 energy systems across Europe, forming a virtual power plant that optimizes energy production and consumption in line with solar and wind availability. This system underpins its innovative dynamic electricity tariff model, offering customers real-time pricing based on renewable energy supply fluctuations. The company has expanded rapidly, now operating around 80 locations across seven global markets and employing approximately 2,500 people. It achieved a record €520 million in revenue in 2024 and installed over 300,000 energy systems, resulting in significant CO2 savings. Notable projects include the development of a research and development hub in Berlin and efforts to integrate existing energy devices into the Heartbeat ecosystem. By 2030, 1KOMMA5° aims to retrofit over 1.5 million buildings with renewable energy solutions, reinforcing its role as a key player in Europe's energy transition.