Vireo Ventures

Founded in Berlin, Germany in 2020, Vireo Ventures is a venture capital firm focusing on seed and pre-seed stage investments. It supports European tech startups driving electrification and digitalization, taking a long-term view and providing extensive support to its portfolio companies.

Matthias Engel

Managing Partner

Sven Heiligtag

Partner

Felix Krause

Managing Partner

Thomas Labryga

Managing Partner

Julian Mallmann

Partner

Past deals in Energy Storage

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.

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.

Atmen

Pre Seed Round in 2024
Atmen is a software-as-a-service platform designed to assist energy-intensive goods producers, particularly in the green hydrogen and e-fuels sectors, in certifying their production processes as environmentally friendly. The platform streamlines the certification process, allowing users to save up to 90% of the time typically required. Atmen's integrated IoT and software solutions enable producers to demonstrate the renewable origin of their energy, accurately quantify carbon emissions using operational data, and obtain government-approved certifications. Additionally, the platform offers pre-certification analysis to simulate energy flows, forecast carbon intensity, and ensure compliance with various certification standards. By providing digitized certifications and full transparency on lifecycle emissions, Atmen helps enhance trust and increase the bankability of green projects, ultimately supporting the commercial success of its clients' decarbonization efforts.

About:Energy

Seed Round in 2023
About:Energy is a platform specializing in battery intelligence. It combines expert knowledge in battery testing with advanced software to provide high-precision white-box models for optimizing battery design, enhancing thermal management strategies, and improving energy storage efficiency.

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.

suena

Pre Seed Round in 2022
suena is an energy technology company that provides AI-driven operation and trading software for energy storage and renewable assets. Its platform uses machine learning, forecasting, and real-time algorithms to optimize participation in energy and balancing markets, helping customers maximize profits, stabilize revenues, and extend storage lifetimes. The system supports optimized marketing for stand-alone storage and for combinations of photovoltaic (PV) or wind with storage, as well as direct marketing of renewable energies. It also offers portfolio optimization and white-label partner solutions to improve efficiency and reduce risk for energy storage investments, and to aid investment decisions for energy storage systems.

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.

Green Fusion

Pre Seed Round in 2021
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.
Spot something off? Help us improve by flagging any incorrect or outdated information. Just email us at support@teaserclub.com. Your feedback is most welcome.