Cooperation with start-ups

Ideas become products

We want to identify the promising energy technologies of tomorrow. This both improves our range for customers throughout Europe and makes us a leader in operating intelligent energy systems.

Our strategic partnerships with start-ups are built on cooperation, marketing and investment. We invest in strategic technologies and business models, so that we stay at the forefront of new trends in decentralized, sustainable and innovative energy solutions. This partnership benefits both us and our start-ups.

Investments until now


Greensmith is one of the largest providers of energy storage software and integration services. Its mission is to make energy storage a fundamental part of a cleaner, more intelligent and distributed energy infrastructure. Now in its fifth generation, Greensmith's GEMS software platform optimizes the performance of energy storage by lowering costs and maximizing the system's return on investment through life.

The Company is based in Herndon, Virginia.


Bidgely offers energy companies cloud-based, real-time applications that their residential customers can access, via the internet or mobile devices. The applications enable customers to better manage their energy usage and compare it with that of similar households in their area. One of its features is energy-saving tips for home electronics, appliances and heating units, which are sent as push notification messages to customers’ mobile devices.

The Company is based in Sunnyvale, California.


Enervee provides a dynamic platform on which consumers can make more energy-efficient choices when it comes to household appliances, devices and electronics. Enervee does this via a comprehensive scoring process that constantly compares the efficiency of the product in question with that of all those in the category. This intuitive efficiency score – the Enervee Score – is then combined with other data such as popularity and reviews, enabling consumers to better and more easily choose the products that are best for the home, their wallet and the environment.

The company is based in Santa Monica, California.


Space-Time Insight develops real-time visual analytics applications that enable companies to respond rapidly to dynamically changing markets and operating conditions. E.ON will use Space-Time Insight’s products primarily for its renewables and smart metering businesses.

The company is based in San Mateo, California.


Elcore develops and produces products and solutions for high-efficiency heating and electrical supply systems in buildings. The core of the product range includes block heating plants with modern fuel cell technology for new heating systems, replacement heating systems and updating existing heating systems in single-family and semi-detached homes. Elcore develops and produces its products internally with all the important modules and fuel cell block heating plants produced within the company. 

The company is located in Munich, Germany.

Orcan Energy

Orcan Energy GmbH is a spin-off from Technische Universität München, Germany, and was founded in 2008. Orcan is the global technology leader in small scale modular Organic Rankine Cycle modules (ORCs). Their 20kW ePack technology can use waste heat to generate electricity. Therefore, they considerably increase the efficiency of many industrial sites and distributed electricity generation plants. The modularity of their product combined with their fundamentally different cost structure allows Orcan to disrupt the waste heat recovery market within the next years. Other investors include Kleiner Perkins and Wellington Partners.

Westly Group

Westly’s Capital Partners Fund II focuses on the world’s top clean tech companies. Westly helps entrepreneurs build companies like Tesla Motors. Four of their portfolio companies have gone public on NASDAQ in the last six years. They evaluate roughly 800 companies a year in over 20 different sectors of clean tech. These include renewable energy and smart grid, building energy efficiency, and transportation and biofuels.

Based in Silicon Valley, California.


AutoGrid develops and markets services that both help lower costs and improve reliability of the electricity supply chain. This way, they are bringing the power of Big Data, predictive analytics and internet scale computational techniques to the production and consumption of electricity. They serve utilities of all sizes, grid operators, electricity retailers, ESCO services companies, and end-users.

Autogrid is based in Redwood Shores, California


FirstFuel Software is the trusted source for energy intelligence. FirstFuel helps customers deliver scalable energy efficiency through the Remote Building Analytics platform. This platform uses advanced meter data analytics to identify, enable, and track energy efficiency savings behind the meter in commercial buildings – all without onsite visits or device installations. It is designed to be rapidly and cost-effectively deployed across hundreds or thousands of commercial buildings, and therefore FirstFuel changes the scale at which the sector can achieve its energy efficiency goals.

Founded in 2009 and privately held, FirstFuel is headquartered in Lexington, Mass.

Kite Power Solutions

Kite Power Systems develops an airborne wind energy system using kites. Its technology has the potential to transform the global offshore wind generation market as it is cheaper to manufacture and easier to deploy and maintain than conventional wind turbines.  Furthermore, the Kite Power System can produce renewable energy at locations where it is, for economic and technical reasons, not possible today. Examples comprise deep water offshore and power generation in remote locations.

KPS is based in Glasgow, Scotland


Thermondo is a Berlin-based start-up that helps residential customers to get an efficient and environmentally friendly supply of heat. The company enables customers to compare a variety of heating system manufacturers and technologies in a quick, easy and cost-effective way, based on an innovative online platform and an in-house developed IT infrastructure. As a result of this, they can then choose and purchase the system that best fits their needs. The selected unit is installed by certified technicians from Thermondo. The company combines the speed and wide product range of an internet company with the outstanding workmanship of experienced HVAC technicians.


Leeo develops and provides smart home solutions consisting of simple and intelligent plug-and-play devices and related data services. The company develops products and services for itself as well as for select enterprise partners.

The company is based in San Francisco, CA.

Internet of Things (IoT) Infrastructure/Machine-to-Machine Platform

E.ON will use this company’s hardware, software and services. This smart home infrastructure gives us a wide range of energy management applications for solar power, home automation and connected lighting. The platform’s advanced energy management capabilities, which include fault recognition and self-healing, will help customers reduce their energy costs.

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We primarily invest in mid-stage start-ups which are active in energy solutions for residential construction, commercial and industrial customers, smart grid enablers and communication solutions, hardware for grids and energy storage and technological expansion for renewable energy.