Helen Ventures
Helen Ventures is the corporate venture capital arm of Helen, founded in 2019 and headquartered in Helsinki, Finland. It invests from its balance sheet in early and growth‑stage startups across Europe and Israel, with a focus on energy, e-mobility, circular economy, decarbonization, and digital solutions for the energy sector. The firm targets renewable energy technology, smart energy solutions, distributed energy systems, and related digital platforms, seeking to accelerate the adoption of transformative technologies in collaboration with customers and industry experts. By supporting startups that advance sustainable energy and related digital capabilities, Helen Ventures aims to help create new energy era solutions accessible to customers and partners.
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Past deals in Renewables
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.
Emulate Energy
Series A in 2025
Emulate Energy provides a white-label SaaS platform for mid-sized electricity utilities to monetize behind-the-meter demand flexibility through a virtual battery system. The platform offers end-to-end control of the value chain, enabling utilities to coordinate behind-the-meter assets, link EVs, charging stations, solar inverters, batteries, and smart thermostats, and participate in energy markets. By optimizing these resources, utilities can reduce customer energy costs and improve grid efficiency and sustainability through integrated distributed energy resources.
Gradyent
Series B in 2025
Gradyent is a Dutch AI cloud platform established in 2019. It optimizes heating systems for district heating companies using Digital Twin technology, combining geographical, weather, sensor data with physical models and AI. This enables real-time optimization and future scenario simulations, reducing heat loss by 20%, CO2 emissions by 10%, and fuel costs by 5-10%.
Nobile Group
Seed Round in 2024
Nobile is an energy sharing hub platform, directly connecting the producers and suppliers of renewable energy
Voltfang
Series A in 2024
Voltfang specializes in repurposing used electric vehicle batteries into stationary energy storage systems for private homes. By integrating recycled traction batteries, the company aims to create a decentralized storage network, facilitating renewable energy usage and grid stabilization.
Renewabl
Seed Round in 2024
Renewabl is a technology company specializing in renewable energy procurement. It offers a platform that enables businesses to achieve their sustainability goals by matching their energy consumption with blockchain-backed certificates from wind and solar farms, facilitating efficient decarbonization.
Eologix
Series B in 2024
Eologix Sensor Technology GmbH, founded in 2014 and based in Graz, Austria, specializes in the design and manufacture of wireless temperature and icing sensor systems. The company provides autonomous and retrofittable sensors specifically for detecting icing on wind turbine rotor blades. Its innovative sensor system is compatible with all types of wind turbines, comprising a single receiving unit for each turbine paired with multiple sensing units that are strategically placed across the blades' surface. These sensing units can be conveniently installed during routine inspections, enhancing the operational efficiency and safety of wind energy production.
enspired
Series B in 2024
Enspired is a digital energy trading service provider that facilitates the integration of flexible assets into power spot markets. It employs AI-based algorithms to automate trades, maximizing clients' asset value while supporting grid stability. The company serves leading utilities and renewable/battery operators across Europe.
Renewcast
Seed Round in 2024
Renewcast provides advanced wind power generation forecasting services. Its SaaS platform offers continuous updates every hour, enabling clients to access the latest forecasts directly via API for any subset of plants in their portfolio.
Klimate
Seed Round in 2023
Klimate helps scale the carbon removal industry by connecting demand and supply with financing. They strategically fund initiatives that promote social and economic advancement as well as environmental responsibility. The company drives quality and transparency through its proprietary knowledge and technology, allowing the customers to stay ahead of the regulatory curve and minimize reputational risk. Its platform provides sustainability professionals with a new tool in their toolbox, positioning them for success in an era when carbon is a key KPI for any given business.
Voltfang
Seed Round in 2023
Voltfang specializes in repurposing used electric vehicle batteries into stationary energy storage systems for private homes. By integrating recycled traction batteries, the company aims to create a decentralized storage network, facilitating renewable energy usage and grid stabilization.
Solar Monkey
Venture Round in 2022
Solar Monkey B.V., established in 2014 and headquartered in Delft, Netherlands, specializes in developing software for solar energy system design and monitoring. The company's core offering involves advanced measurement techniques to predict and guarantee the energy yield of solar panels, ensuring optimal return on investment for clients. Additionally, their software facilitates the design, sale, and maintenance of solar systems, enabling precise calculation of solar panel placements and clean energy production.
Gradyent
Series A in 2022
Gradyent is a Dutch AI cloud platform established in 2019. It optimizes heating systems for district heating companies using Digital Twin technology, combining geographical, weather, sensor data with physical models and AI. This enables real-time optimization and future scenario simulations, reducing heat loss by 20%, CO2 emissions by 10%, and fuel costs by 5-10%.
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.
enspired
Series A in 2021
Enspired is a digital energy trading service provider that facilitates the integration of flexible assets into power spot markets. It employs AI-based algorithms to automate trades, maximizing clients' asset value while supporting grid stability. The company serves leading utilities and renewable/battery operators across Europe.
Gradyent
Seed Round in 2020
Gradyent is a Dutch AI cloud platform established in 2019. It optimizes heating systems for district heating companies using Digital Twin technology, combining geographical, weather, sensor data with physical models and AI. This enables real-time optimization and future scenario simulations, reducing heat loss by 20%, CO2 emissions by 10%, and fuel costs by 5-10%.
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