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

Past deals in Energy

node.energy

Series B in 2025
node.energy GmbH is a software-as-a-service company that specializes in the optimization of local energy micro grids for commercial and industrial real estate. Founded in 2016 and headquartered in Frankfurt am Main, Germany, node.energy provides the opti.node application, which enables businesses with on-site power generation to effectively reduce energy costs and minimize their carbon dioxide emissions. The company's solutions support energy managers and metering service providers by significantly reducing administrative burdens and ensuring compliance with current regulations. Additionally, node.energy offers features such as electricity tax relief analysis and automated reporting, alongside planning and advisory services, to facilitate companies' energy transitions and enhance their operational efficiency.

Gradyent

Series B in 2025
Gradyent is an AI cloud platform based in Utrecht, The Netherlands, that specializes in optimizing heating systems for district heating companies. Founded in 2019, Gradyent leverages Digital Twin technology, which involves creating a digital replica of physical heating systems by integrating geographical, weather, and sensor data with physical models and artificial intelligence. This innovative approach allows for real-time optimization of heating systems and facilitates simulations of future scenarios. As a result, clients can achieve significant reductions in heat loss, CO2 emissions, and fuel costs—averaging 20%, 10%, and 5-10%, respectively. Gradyent's platform not only enhances the efficiency of heating networks but also provides dynamic forecasting, real-time status updates, and automatic detection of network changes, allowing clients to securely access vital information from any location at any time.

Emulate Energy

Series A in 2025
Emulate Energy provides a white-label software-as-a-service (SaaS) platform aimed at mid-sized electricity utilities, enabling them to offer behind-the-meter services that leverage demand flexibility among end-customers. The company's innovative virtual battery technology allows utilities to manage the entire value chain, which helps customers lower their energy bills while facilitating the integration of distributed energy resources into markets. This approach not only enhances grid efficiency but also promotes sustainability. By empowering utilities to connect residential and commercial devices, Emulate Energy fosters significant energy savings and supports the broader accessibility of renewable energy, contributing to a more efficient and environmentally friendly energy landscape.

Nobile Group

Seed Round in 2024
Nobile is an energy sharing hub platform, directly connecting the producers and suppliers of renewable energy

enspired

Series B in 2024
enspired is a digital energy trading-as-a-service company focused on facilitating the energy transition. It enables clients to leverage flexible assets in power spot markets through AI-based trading services. The company employs a team of algorithmic traders, data scientists, and technology experts dedicated to revolutionizing the trading process by eliminating traditional trading screens and manual optimization. All transactions are executed automatically using advanced AI algorithms, which enhance market performance and maximize the value of clients' flexible resources while contributing to grid stability. enspired serves a diverse clientele, including prominent utilities and operators of renewable energy, batteries, and consumption assets across Europe.

Renewcast

Seed Round in 2024
Renewcast is a renewable energy company focused on short-term and intra-day wind power generation forecasting. It provides day-ahead forecasts, which can be updated every hour, ensuring clients receive the most current information. The company offers a software-as-a-service (SaaS) platform that allows users to access forecasting data through an API, enabling clients to retrieve information for specific subsets of wind energy plants across various time windows, including historical data. Additionally, Renewcast enhances its forecasting capabilities with services such as meteorological forecasting optimization, input data cleaning, and turbine data enrichment, all designed to improve the accuracy and reliability of wind power management.

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.

Gradyent

Series A in 2022
Gradyent is an AI cloud platform based in Utrecht, The Netherlands, that specializes in optimizing heating systems for district heating companies. Founded in 2019, Gradyent leverages Digital Twin technology, which involves creating a digital replica of physical heating systems by integrating geographical, weather, and sensor data with physical models and artificial intelligence. This innovative approach allows for real-time optimization of heating systems and facilitates simulations of future scenarios. As a result, clients can achieve significant reductions in heat loss, CO2 emissions, and fuel costs—averaging 20%, 10%, and 5-10%, respectively. Gradyent's platform not only enhances the efficiency of heating networks but also provides dynamic forecasting, real-time status updates, and automatic detection of network changes, allowing clients to securely access vital information from any location at any time.

node.energy

Series A in 2022
node.energy GmbH is a software-as-a-service company that specializes in the optimization of local energy micro grids for commercial and industrial real estate. Founded in 2016 and headquartered in Frankfurt am Main, Germany, node.energy provides the opti.node application, which enables businesses with on-site power generation to effectively reduce energy costs and minimize their carbon dioxide emissions. The company's solutions support energy managers and metering service providers by significantly reducing administrative burdens and ensuring compliance with current regulations. Additionally, node.energy offers features such as electricity tax relief analysis and automated reporting, alongside planning and advisory services, to facilitate companies' energy transitions and enhance their operational efficiency.

enspired

Series A in 2021
enspired is a digital energy trading-as-a-service company focused on facilitating the energy transition. It enables clients to leverage flexible assets in power spot markets through AI-based trading services. The company employs a team of algorithmic traders, data scientists, and technology experts dedicated to revolutionizing the trading process by eliminating traditional trading screens and manual optimization. All transactions are executed automatically using advanced AI algorithms, which enhance market performance and maximize the value of clients' flexible resources while contributing to grid stability. enspired serves a diverse clientele, including prominent utilities and operators of renewable energy, batteries, and consumption assets across Europe.

Gradyent

Seed Round in 2020
Gradyent is an AI cloud platform based in Utrecht, The Netherlands, that specializes in optimizing heating systems for district heating companies. Founded in 2019, Gradyent leverages Digital Twin technology, which involves creating a digital replica of physical heating systems by integrating geographical, weather, and sensor data with physical models and artificial intelligence. This innovative approach allows for real-time optimization of heating systems and facilitates simulations of future scenarios. As a result, clients can achieve significant reductions in heat loss, CO2 emissions, and fuel costs—averaging 20%, 10%, and 5-10%, respectively. Gradyent's platform not only enhances the efficiency of heating networks but also provides dynamic forecasting, real-time status updates, and automatic detection of network changes, allowing clients to securely access vital information from any location at any time.
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