Helen Ventures

Helen Ventures is a corporate venture capital arm of Helen Oy, established in 2019 and headquartered in Helsinki, Finland. The firm specializes in investing in early and growth stage startups that focus on innovative solutions within sectors such as energy, e-mobility, circular economy, decarbonization, and digital technologies. Helen Ventures seeks to support transformative companies primarily located in Israel and European countries, aiming to accelerate their growth by leveraging strategic collaborations with customers and industry experts. The firm invests from its own balance sheet, concentrating on advancements in renewable energy technology, smart energy solutions, and distributed energy solutions.

Henri Isohanni

Principal

Annastiina Jurmu

Associate

Antto Piirainen

Associate

26 past transactions

node.energy

Series B in 2025
node.energy GmbH, established in Frankfurt am Main, Germany in 2016, specializes in providing Software-as-a-Service (SaaS) solutions for optimizing local energy microgrids. The company's flagship product, opti.node, enables industrial and commercial entities with on-site power generation to reduce energy costs and carbon footprint by offering regulatory and commercial management tools. node.energy caters primarily to energy managers of commercial buildings and metering service providers, aiming to streamline administrative tasks, facilitate energy cost savings, and ensure compliance with current regulations.

Gradyent

Series B in 2025
Gradyent is an AI cloud platform based in Utrecht, The Netherlands, founded in 2019. It specializes in optimizing heating systems for district heating companies, effectively reducing CO2 emissions and improving energy efficiency. Utilizing Digital Twin technology, Gradyent creates a digital replica of physical heating systems by integrating geographical, weather, and sensor data with physical models and artificial intelligence. This innovative approach allows real-time optimization of heating systems, enabling users to simulate future scenarios and make informed decisions. As a result, clients experience significant savings, with an average reduction of 20% in heat loss, 10% in CO2 emissions, and 5-10% in fuel costs. Gradyent's platform also offers dynamic forecasting and the capability to monitor network status, making it accessible for clients to securely manage their networks from anywhere at any time.

Emulate Energy

Series A in 2025
Emulate Energy is a developer of a white-label SaaS platform tailored for mid-sized electricity utilities, enabling them to offer behind-the-meter services that leverage the demand flexibility of end-customers. The company's innovative virtual battery technology allows utilities to manage the entire energy value chain, facilitating significant reductions in energy bills for customers while integrating distributed energy resources into energy markets. This approach not only enhances grid efficiency but also promotes sustainability by supporting the adoption of renewable energy. Emulate Energy's solutions empower utilities to connect residential and commercial devices, fostering energy efficiency and substantial financial savings for society.

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 developing home storage solutions for private residences using recycled traction batteries. The company repurposes used electric vehicle batteries, which have reached the end of their life in cars, into stationary battery storage systems. This approach not only extends the lifespan of these batteries but also creates a decentralized storage network. Voltfang's systems are designed to optimize energy balance and stabilize the grid through peak shaving or load shifting, enabling clients to reduce their ecological footprint and promote environmental conservation.

LiveEO

Series B in 2024
LiveEO GmbH is a technology company based in Berlin, Germany, specializing in real-time earth observation applications that integrate satellite imagery and geolocation services. Founded in 2017, LiveEO provides a range of insights-as-a-service solutions aimed at large-scale infrastructure monitoring across various sectors, including railways, power lines, and pipelines. The company's innovative use of artificial intelligence and satellite data allows for effective monitoring of ground movement, vegetation management, and deforestation. By delivering actionable insights, LiveEO enhances operational efficiency and safety, helping clients mitigate risks and manage their assets sustainably. Through its advanced technology, LiveEO is setting new standards in infrastructure management and redefining industry practices worldwide.

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 is a renewable energy company that focuses on providing accurate wind power generation forecasting. The company offers day-ahead predictions as early as the morning each day, with continuous updates every hour. Renewcast's SaaS platform allows clients to access the latest forecasts through an API for any subset of plants in their portfolio and for any specified time window, including past data. Additionally, the platform includes a client UI for configuring parametric reports, optimizing meteo forecasting, cleaning input data, enriching turbine data, and enhancing overall forecasting accuracy.

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 developing home storage solutions for private residences using recycled traction batteries. The company repurposes used electric vehicle batteries, which have reached the end of their life in cars, into stationary battery storage systems. This approach not only extends the lifespan of these batteries but also creates a decentralized storage network. Voltfang's systems are designed to optimize energy balance and stabilize the grid through peak shaving or load shifting, enabling clients to reduce their ecological footprint and promote environmental conservation.

Virta

Private Equity Round in 2023
Virta is a company that specializes in managing electric vehicle charging services on various scales, providing a comprehensive solution for both charging networks and businesses. Its offerings encompass the entire value chain, connecting electric vehicle drivers, charging points, and the energy system to facilitate seamless charging experiences. By utilizing a user-friendly mobile application or tag, clients can easily identify and access charging stations. Virta aims to enhance the adoption of electric mobility by delivering high-quality charging services that meet the needs of users while also helping real estate and other businesses differentiate themselves in the market.

EcoG

Series A in 2022
EcoG GmbH is a technology company specializing in the development of an Internet of Things (IoT) operating system tailored for electric vehicle (EV) charging infrastructure. Founded in 2017 and headquartered in Fürth, Germany, with additional offices in Oslo, Norway, and Detroit, Michigan, EcoG provides charger manufacturers with tools and solutions that facilitate the design, development, and maintenance of charging systems. Its offerings include a comprehensive starter kit that encompasses charging control, backend connectivity, payment solutions, and user interface components. The company’s open API architecture allows for the integration of common IoT protocols, enabling the creation of value-added services and a more customizable charging experience. By transforming the business model of EV charging, EcoG empowers businesses to leverage the app economy within charging infrastructure, thereby enhancing the overall user experience and creating shared revenue opportunities.

Cervi

Private Equity Round in 2022
Cervi specializes in providing ventilation and clean indoor air and cooling solutions. Its solutions include clean indoor air, energy-saving solutions, modernization of ventilation, refrigeration and refrigeration equipment maintenance.

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 an AI cloud platform based in Utrecht, The Netherlands, founded in 2019. It specializes in optimizing heating systems for district heating companies, effectively reducing CO2 emissions and improving energy efficiency. Utilizing Digital Twin technology, Gradyent creates a digital replica of physical heating systems by integrating geographical, weather, and sensor data with physical models and artificial intelligence. This innovative approach allows real-time optimization of heating systems, enabling users to simulate future scenarios and make informed decisions. As a result, clients experience significant savings, with an average reduction of 20% in heat loss, 10% in CO2 emissions, and 5-10% in fuel costs. Gradyent's platform also offers dynamic forecasting and the capability to monitor network status, making it accessible for clients to securely manage their networks from anywhere at any time.

LiveEO

Series B in 2022
LiveEO GmbH is a technology company based in Berlin, Germany, specializing in real-time earth observation applications that integrate satellite imagery and geolocation services. Founded in 2017, LiveEO provides a range of insights-as-a-service solutions aimed at large-scale infrastructure monitoring across various sectors, including railways, power lines, and pipelines. The company's innovative use of artificial intelligence and satellite data allows for effective monitoring of ground movement, vegetation management, and deforestation. By delivering actionable insights, LiveEO enhances operational efficiency and safety, helping clients mitigate risks and manage their assets sustainably. Through its advanced technology, LiveEO is setting new standards in infrastructure management and redefining industry practices worldwide.

node.energy

Series A in 2022
node.energy GmbH, established in Frankfurt am Main, Germany in 2016, specializes in providing Software-as-a-Service (SaaS) solutions for optimizing local energy microgrids. The company's flagship product, opti.node, enables industrial and commercial entities with on-site power generation to reduce energy costs and carbon footprint by offering regulatory and commercial management tools. node.energy caters primarily to energy managers of commercial buildings and metering service providers, aiming to streamline administrative tasks, facilitate energy cost savings, and ensure compliance with current regulations.

freesi

Seed Round in 2022
Freesi is a Finland-based property technology startup established in 2017, specializing in indoor climate development for large building portfolios. The company offers a scalable solution that combines cloud-based software with artificial intelligence, allowing property owners and managers to monitor, analyze, and enhance indoor air conditions effectively. With its innovative platform already deployed across over 2,000,000 square meters of property, Freesi enables clients to meet their environmental, social, and governance objectives while simultaneously improving the return on investment for their buildings. By leveraging advanced technology and engineering expertise, Freesi provides a comprehensive approach to indoor air quality management in the real estate sector.

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.

&Charge

Seed Round in 2021
&Charge is a European platform dedicated to enhancing the electric vehicle (EV) charging experience by making it more affordable, reliable, and engaging. The company provides a digital engagement and service platform that acts as a companion for EV drivers, featuring a rewards program that allows users to access free public charging. It leverages crowd-sourced data to offer accurate points of interest for charging stations and utilizes a Wallbox Sharing system to ensure extensive coverage. Additionally, &Charge develops value-added services aimed at addressing challenges within the EV ecosystem, catering to various stakeholders such as charge point operators, e-mobility service providers, and roaming platforms. Through its innovative approach, &Charge promotes sustainable mobility concepts and enhances community experiences in electric mobility.

LiveEO

Venture Round in 2021
LiveEO GmbH is a technology company based in Berlin, Germany, specializing in real-time earth observation applications that integrate satellite imagery and geolocation services. Founded in 2017, LiveEO provides a range of insights-as-a-service solutions aimed at large-scale infrastructure monitoring across various sectors, including railways, power lines, and pipelines. The company's innovative use of artificial intelligence and satellite data allows for effective monitoring of ground movement, vegetation management, and deforestation. By delivering actionable insights, LiveEO enhances operational efficiency and safety, helping clients mitigate risks and manage their assets sustainably. Through its advanced technology, LiveEO is setting new standards in infrastructure management and redefining industry practices worldwide.

Virta

Series B in 2021
Virta is a company that specializes in managing electric vehicle charging services on various scales, providing a comprehensive solution for both charging networks and businesses. Its offerings encompass the entire value chain, connecting electric vehicle drivers, charging points, and the energy system to facilitate seamless charging experiences. By utilizing a user-friendly mobile application or tag, clients can easily identify and access charging stations. Virta aims to enhance the adoption of electric mobility by delivering high-quality charging services that meet the needs of users while also helping real estate and other businesses differentiate themselves in the market.

Think Outside

Seed Round in 2021
Think Outside AS is a technology startup based in Bergen, Norway, focused on developing innovative products for the outdoor and hydropower markets. Founded in 2017, the company specializes in manufacturing real-time radar avalanche remote sensing equipment. Its flagship product, Sknow, provides skiers with critical data about snow layers directly beneath their skis, including parameters such as depth, layering, and density. The devices are designed to enhance safety by enabling users to avoid avalanche risk zones and access vital information regarding snow conditions, slope gradients, and applied forces. Through its integrated software solutions, Think Outside aims to improve production planning and reduce health and safety risks in snow-covered environments.

EcoG

Seed Round in 2020
EcoG GmbH is a technology company specializing in the development of an Internet of Things (IoT) operating system tailored for electric vehicle (EV) charging infrastructure. Founded in 2017 and headquartered in Fürth, Germany, with additional offices in Oslo, Norway, and Detroit, Michigan, EcoG provides charger manufacturers with tools and solutions that facilitate the design, development, and maintenance of charging systems. Its offerings include a comprehensive starter kit that encompasses charging control, backend connectivity, payment solutions, and user interface components. The company’s open API architecture allows for the integration of common IoT protocols, enabling the creation of value-added services and a more customizable charging experience. By transforming the business model of EV charging, EcoG empowers businesses to leverage the app economy within charging infrastructure, thereby enhancing the overall user experience and creating shared revenue opportunities.

Gradyent

Seed Round in 2020
Gradyent is an AI cloud platform based in Utrecht, The Netherlands, founded in 2019. It specializes in optimizing heating systems for district heating companies, effectively reducing CO2 emissions and improving energy efficiency. Utilizing Digital Twin technology, Gradyent creates a digital replica of physical heating systems by integrating geographical, weather, and sensor data with physical models and artificial intelligence. This innovative approach allows real-time optimization of heating systems, enabling users to simulate future scenarios and make informed decisions. As a result, clients experience significant savings, with an average reduction of 20% in heat loss, 10% in CO2 emissions, and 5-10% in fuel costs. Gradyent's platform also offers dynamic forecasting and the capability to monitor network status, making it accessible for clients to securely manage their networks from anywhere at any time.
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