1KOMMA5°

1KOMMA5° is a Hamburg-based clean-energy company founded in 2021 that bundles solar PV, battery storage, heat pumps, EV wallboxes and the Heartbeat AI energy-management software into a single subscription. Heartbeat dispatches household assets in real time on the wholesale electricity market, aggregating customers into one of Europe's largest virtual power plants (more than 500 MW of flexibility connected). The group runs 80+ branches across seven countries in Europe and Australia, builds its own TOPCon solar modules in Germany and operates a Berlin TechLab with 200+ engineers. Investors valued it at €1bn in 2023.