E.R. Capital Holdings

vilisto GmbH, founded in 2016 and based in Hamburg, Germany, specializes in the manufacture of self-learning radiator thermostats designed to enhance energy efficiency in offices and municipalities. The company's innovative product leverages integrated presence detection, learning algorithms, and room climate sensors to automatically manage heating based on demand. This fully automated digital heat management solution enables customers to achieve significant energy savings, reducing heating costs by up to 40% without requiring additional effort. Through a connected web portal, vilisto provides centralized management of property portfolios, offering insights into heating behavior and optimizing ventilation and temperature control, which also contributes to lower carbon dioxide emissions and immediate climate protection benefits.

Alcemy is a startup focused on decarbonizing the cement and concrete industry through innovative technology. The company develops predictive analysis software that aids cement and concrete manufacturers in optimizing product quality. This software provides accurate predictions for the quality of mixtures and their ingredients prior to shipping, allowing manufacturers to effectively manage and counterbalance fluctuations in limestone and cement. By leveraging advanced analytics, Alcemy aims to enhance the efficiency and sustainability of the construction materials sector.

TESVOLT GmbH, founded in 2014 and based in Wittenberg, Germany, specializes in the manufacture of lithium battery storage systems aimed at the commercial and industrial sectors. The company is recognized as a leader in energy storage solutions within Germany and Europe, focusing on enabling businesses to reduce their energy dependency and contribute to the energy transition. TESVOLT produces intelligent storage systems with capacities ranging from 10 kilowatt-hours to multiple megawatt-hours, ensuring high quality and TÜV-certified safety. Its products can integrate with various renewable energy sources, including solar, wind, and biogas. The company operates a carbon-neutral gigafactory for series production and has received numerous accolades for its innovations, including the German Entrepreneur Award and the TOP 100 “Innovator of the Year.” Co-founders Daniel Hannemann and Simon Schandert leverage their extensive experience in the photovoltaic sector to advance the development of economical and efficient storage solutions.

Enpal GmbH is a Berlin-based company founded in 2017 that specializes in providing comprehensive renewable energy solutions, primarily through the installation and operation of solar panels for residential electricity generation. The company offers a range of products, including solar panels, batteries, wallboxes, heat pumps, and energy management systems, catering to customers in Germany and Italy. Enpal initially adopted a sales-based model but successfully transitioned to a lease model that requires no upfront payment and includes installation, insurance, and maintenance services. This approach has resulted in significant growth, with over 60,000 solar PV systems installed and revenues exceeding 400 million euros as of 2022. Enpal employs more than 1,000 team members, including over 200 local installer teams, and has opened several satellite offices to enhance customer service across its markets. The company has received numerous awards for its contributions to sustainability and customer service, positioning itself as a leader in the solar PV installation sector in Germany.

AMSilk GmbH is a Munich-based company that specializes in the production of spider silk proteins and other biomaterials for a variety of industrial applications. Founded in 2008, AMSilk manufactures high-quality silk biopolymers that serve diverse sectors, including pharmaceuticals, cosmetics, and technical textiles. Its product offerings include BioShield-S1, a non-immunogenic spider silk film for protective coatings, as well as biosteel spider silk fibers. The company also develops a range of wound care products and surgical applications, such as the SanaSilk durable skin barrier. Additionally, AMSilk provides spider silk protein beads and coatings for medical technology, alongside nonwovens for filters, wound dressings, and specialty textiles. Utilizing a patented biotechnological process, AMSilk's materials are fully biodegradable under aerobic and marine conditions, promoting sustainability in various applications. The company collaborates with partners like Gruschwitz Textilwerke AG to enhance its product offerings.