Rockstart

Rockstart is an accelerator and venture capital firm based in Amsterdam, Netherlands, founded in 2011. It focuses on incubating and investing in early-stage startups, particularly in the sectors of energy, health, agrifood, and emerging technologies. Rockstart aims to empower purpose-driven founders by providing access to capital, mentorship, and a robust network of partners and investors. The firm has established itself as a global player in startup acceleration, offering customized programs that foster collaboration between startups and corporates. With additional offices in Copenhagen, Denmark, and Bogotá, Colombia, Rockstart has invested in more than 230 startups, helping them raise over €90 million and create over 700 jobs. The firm also manages specialized funds, such as Rockstart Emerging Tech, which targets innovative sectors including artificial intelligence and blockchain.

Michael Bjørnlund

Managing Partner, Emerging Technologies

Mark Durno

Managing Partner AgriFood

Francisca Sousa Guedes

Investment Manager

Max ter Horst

Managing Partner, Energy

Suzanne Kroeze

Investment Manager, Emerging Tech

Gem Kua

Investment Manager, Energy

Felipe Santamaria

Co-Founder and Managing Director, LATAM

Philippe Schuit

Investment Director

Frederik Ploug Søgaard

Senior Investment Associate

Rune Theill

Co-Founder, CEO

Past deals in Energy Efficiency

IM Efficiency

Seed Round in 2023
IM Efficiency desire to increase productivity in the road freight transport industry, Innovative technology firm with hardware and software R&D activities that focuses on reducing emissions from trucks and semi-trailers.

Sympower

Venture Round in 2022
Their service integrates seamlessly with the operation of smart heating and cooling appliances, so the comfort and convenience of the household are not negatively impacted.

Sympheny

Venture Round in 2022
Sympheny is a company that has developed a web-based software platform aimed at enhancing local energy planning. Founded in 2020 and based in Dübendorf, Switzerland, the platform supports the planning of sustainable energy systems for various settings, including neighborhoods, villages, campuses, and urban districts. It enables local energy planners to identify optimal energy supply solutions by integrating on-site renewable resources and balancing centralized and decentralized supply options. The software is designed to be scalable and adaptable to different international contexts, providing significant improvements in speed and performance over traditional industry workflows. By utilizing intelligent analytics, user-friendly interfaces, and diverse data streams, Sympheny's platform empowers planners to navigate energy supply options efficiently and develop effective, tailored solutions for specific sites.

Bia Power

Convertible Note in 2020
Bia Power develops hardware-agnostic software for electric vehicle (EV) charging management, focusing on optimizing charging sessions to enhance the stability of electric grids. Their platform provides real-time monitoring, data analytics, and forecasting to facilitate the integration of renewable energy sources. By connecting the demands of renewable energy with the flexible capacity of electric vehicles, Bia Power enables parking garages, fleet operators, and energy retailers to lower energy costs, manage peak loads, and ensure sustainable charging. Through its actionable insights and strategic planning tools, the company supports the transition to cleaner energy solutions while promoting reliable grid performance.

Efficiator

Seed Round in 2017
Efficiator B.V. develops and provides energy efficiency tools for homes and corporates. Its solutions help home owners and corporates to gain control over their energy consumption; and manage the execution using installers and suppliers of previously used data to execute implementations. Efficiator B.V. was founded in 2015 and is headquartered in Amsterdam, the Netherlands.

Hero Balancer

Seed Round in 2017
Hero Balancer B.V., founded in 2015 and located in Hoorn, the Netherlands, develops a cloud-based application that optimizes heat demand and supply in various settings, including showrooms, schools, offices, healthcare facilities, and residential buildings. The platform connects to existing building management systems to monitor heating installations and assess the disparity between heat demand and supply. By utilizing weather data and predictive analytics, Hero Balancer informs the management systems on the precise amount of heat needed, promoting energy efficiency and enhancing comfort for users. The company's solution aims to reduce energy consumption while maintaining optimal climate conditions within the built environment.

Fritts

Seed Round in 2017
At Fritts, they monitor the performance of PV solar systems. Currently they have a strong focus on the residential and SME sector. They offer a software based solution. Therefore there is no need for an expensive hardware solution. Owners of PV solar systems give us access to their inverter. They analyse the data and can give a clear indication if their system is working properly. They use benchmarking as one indication if systems are performing as expected, but also use local meteo data and historical data. They know which systems are underperforming and which systems are in need of maintenance. This is useful for asset owners, maintenance and installation companies or utility companies.

Dajie

Seed Round in 2016
DAJIE Ltd. is a technology company specializing in distributed network and energy infrastructure solutions aimed at fostering smart grids and smart communities. Established in 2015 and headquartered in London, the company offers a modular toolkit that integrates hardware and software, enabling local communities to efficiently share internet and clean energy in a peer-to-peer manner. This solution simplifies the complexities and costs associated with building and managing smart micro-grids and local networks. DAJIE employs blockchain technology to enhance transparency and security, providing a cryptocurrency and wallet system for managing the value generated from shared energy. Additionally, the company utilizes innovative Internet of Things (IoT) devices and open-source software to ensure compatibility with existing systems and various vendor devices, thereby facilitating the implementation and management of energy production and distribution infrastructures.

Vebbu

Seed Round in 2016
Vebbu specializes in designing and manufacturing smart heating and air quality control systems. Founded in 2010 and based in Zagreb, Croatia, the company offers a smart thermostat that enables users to customize heating conditions in different areas of their homes according to schedules or personal preferences. Vebbu's system integrates a relay box compatible with various heating sources, including gas, oil, and wood chip boilers, as well as chillers. Additionally, Vebbu provides an advanced indoor climate solution that incorporates sensors and a heat recovery ventilator, which purifies indoor air while recovering up to 90% of the temperature. The entire system is managed through user-friendly web and smartphone applications, promoting energy efficiency and maintaining clean air quality within residential spaces.

Sympower

Seed Round in 2016
Their service integrates seamlessly with the operation of smart heating and cooling appliances, so the comfort and convenience of the household are not negatively impacted.

Newatt

Seed Round in 2016
Newatt is a company based in Belo Horizonte, Brazil, specializing in real-time energy cost management systems for medium and large retail stores and supermarket chains. The company leverages artificial intelligence, big data, and the Internet of Things to develop solutions that monitor electricity consumption and provide actionable insights to its customers. By offering real-time data on power usage, Newatt enables businesses to manage their energy consumption more efficiently and reduce costs. The company's focus is primarily on the Latin American market, where it aims to help retailers optimize their energy management practices.

Flowbox

Seed Round in 2016
FlowBox optimizes energy costs and assets’ utilization for medium-sized manufacturing companies by providing cloud aggregation of process control systems, into a single smart-control function. FlowBox has been developed with the aim to become an integral part of the booming trend of automation and data exchange in the manufacturing sector (the so-called Industry 4.0), with focus on medium-sized manufacturing companies. To them, FlowBox serves as a centralized management system for all of their secondary production processes. By aggregation of all of the energy-related processes and devices into a single smart-control environment, FlowBox centrally and constantly optimizes their individual functions, as well as their mutual coexistence and cooperation. By such autonomous and real-time management, FlowBox provides an ultimate efficiency in both the related processes and the overall energy consumption, leading up to 40% savings from the total energy bill, as well as the most efficient assets’ utilization.

Masar

Seed Round in 2015
Masar is a solar energy company based in Amsterdam, specializing in sourcing, customizing, and installing solar systems for organizations in the Middle East and North Africa. The firm supplies essential components for existing solar systems, including panels, inverters, monitors, and mounting racks. Masar focuses on utilizing underutilized land and rooftops for solar power generation, catering to a diverse clientele that includes remote off-grid locations, telecom towers, rural villages, and temporary construction offices. Founded by Mo El-Fatatry, an award-winning entrepreneur recognized for his contributions to international business and leadership, Masar has been acknowledged as one of the top smart energy startups, reflecting its commitment to sustainable energy solutions in the region.

Viridom

Seed Round in 2014
Viridom is a cloud-based platform for energy management in Nanogrids that puts nanogrid electricity users in real-time control of their production, consumption, and storage, while at the same time it facilitates true automated demand-side management and customer engagement for the utility companies. At the core of VIRIDOM is an analytics engine handling and processing the energy data, and a set of algorithms for cost and energy usage optimization. Beyond providing visually-appealing information and actionable energy-efficient recommendations to nanogrid users, Viridom also offers rich and technically meaningful demand-side information and user activity patterns to power utilities, and sets a foundation for insight and analysis to help them make more informed business decisions such as infrastrure planning, grid optimization, personalized pricing schemes and predictive maintenance, and execute quickly.

Capacity Energy Storage

Seed Round in 2014
Capacity Energy Storage (CES) is a dynamic company focused on accelerating the energy transition in the Netherlands and Europe in response to the urgent need for reduced CO2 emissions. Recognizing that traditional top-down policies are insufficient, CES aims to empower bottom-up initiatives by providing innovative energy services for flexibility management. The company develops flexible power units that function as virtual batteries, capable of both delivering and absorbing power to meet energy demands. Additionally, CES is committed to creating new business models that adapt to a post-2020 energy landscape characterized by dynamic pricing and reduced subsidies, moving away from conventional electricity market structures.

Bleeve

Seed Round in 2014
Bleeve provides a social internet platform that connects people on the topic of saving and producing energy at home. The company is based in Amsterdam, the Netherlands.

PowerTags

Seed Round in 2014
PowerTags specializes in developing systems that enhance energy efficiency and operational management in commercial, industrial, and governmental buildings. The company's core product consists of miniature sensors attached to employee badges, which communicate with wireless devices deployed throughout a facility to track the locations of employees and occupants. This technology serves multiple purposes, including energy efficiency optimization, security enhancements, disaster response, access control, and asset tracking. PowerTags offers a comprehensive solution that integrates both hardware and software, allowing for easy installation and maintenance. Its scalable platform can be configured for either cloud or local server use, enabling real-time monitoring and data analysis tailored to clients' needs. Established in 2012 and based in Israel, PowerTags has successfully deployed its systems with over 30 global customers, including notable corporations, aiming to reduce operational costs while improving safety and efficiency.

miniPower

Seed Round in 2014
miniPower BV is a company based in the Netherlands that specializes in the replacement and exploitation of used wind turbines. It focuses on optimizing these turbines by continuously improving existing components to enhance their efficiency and performance. The company targets the placement of used turbines primarily in Poland, Croatia, Greece, and Turkey, contributing to the sustainable energy sector by extending the lifecycle of wind energy technology.

Hyko

Seed Round in 2014
They founded their company CareToSave as a social enterprise, they measure their success by more than their balance sheet. CareToSave is on the mission to create the future where kids and adults are more conscious about their actions, energy consumption and protective to nature. That’s why they created Hyko: Intuitive, playful tech to improve your family’s lifestyle.

Qwiksense

Seed Round in 2013
QwikSense, founded in April 2014 and based in Utrecht, the Netherlands, specializes in providing data analytics aimed at creating pollution-free and energy-efficient work environments. The company employs actionable sensor analytics to monitor various environmental factors, including temperature, humidity, CO2 levels, gas, electricity usage, occupancy, dust, illuminance, noise, and air pressure. By offering insights into workplace conditions, QwikSense helps businesses enhance productivity while minimizing energy costs and reducing their carbon footprint. Through its innovative approach, the company enables organizations to foster healthier work environments, ultimately contributing to both employee well-being and operational efficiency.
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