BitStone Capital

Founded in 2017, BitStone Capital is a venture capital firm based in Cologne, Germany. It selectively invests in innovative digital Real Estate and Construction business models, supporting young companies with its network, industry know-how, and expertise in new technologies.

Manfred Heid

Co-Founder and Managing Partner

Kai Panitzki

Managing Partner and Founder

Marnix Roes

Investment Manager

Past deals in Utilities

node.energy

Series B in 2025
node.energy develops software-as-a-service solutions for managing decentralized energy systems in commercial and industrial real estate. Its platform optimizes local energy microgrids, reducing administrative workload, energy costs, and carbon footprint while ensuring regulatory compliance.

Green Fusion

Series A in 2025
Green Fusion develops a cloud-based energy management platform for monitoring and controlling complex energy systems. The software provides intelligent control of heat, electricity, and e-mobility, focusing on hybrid building heating setups such as heat pumps paired with gas boilers and the integration of photovoltaic systems and electric vehicle charging. Serving housing corporations, the platform helps reduce carbon emissions and operating costs, enhances energy security of supply, and lowers maintenance requirements by coordinating generation, storage, and consumption across multiple energy sources.

Green Fusion

Seed Round in 2023
Green Fusion develops a cloud-based energy management platform for monitoring and controlling complex energy systems. The software provides intelligent control of heat, electricity, and e-mobility, focusing on hybrid building heating setups such as heat pumps paired with gas boilers and the integration of photovoltaic systems and electric vehicle charging. Serving housing corporations, the platform helps reduce carbon emissions and operating costs, enhances energy security of supply, and lowers maintenance requirements by coordinating generation, storage, and consumption across multiple energy sources.

node.energy

Series A in 2022
node.energy develops software-as-a-service solutions for managing decentralized energy systems in commercial and industrial real estate. Its platform optimizes local energy microgrids, reducing administrative workload, energy costs, and carbon footprint while ensuring regulatory compliance.

Green Fusion

Seed Round in 2022
Green Fusion develops a cloud-based energy management platform for monitoring and controlling complex energy systems. The software provides intelligent control of heat, electricity, and e-mobility, focusing on hybrid building heating setups such as heat pumps paired with gas boilers and the integration of photovoltaic systems and electric vehicle charging. Serving housing corporations, the platform helps reduce carbon emissions and operating costs, enhances energy security of supply, and lowers maintenance requirements by coordinating generation, storage, and consumption across multiple energy sources.
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