Christoph Ostermann

SUNMACHINE GmbH develops thermal power plants. Its thermal power plants generates electricity and heat for single and multiple family houses. The company was founded in 2005 and is headquartered in Wildpoldsried, Germany.

sonnen GmbH develops lithium storage systems and battery technologies. It specializes in the design of lithium storage systems and renewable energy development technologies. The firm engages in research and development investment projects focused on the production of power battery storage solutions. The company was founded by Christoph Ostermann and Torsten Stiefenhofer in April 2010 and is headquartered in Wildpoldsried, Germany.

sonnen Holding GmbH (Germany) engages in the holding and management of participations in other firms. The company was founded on April 15, 2010 and is headquartered in Wildpoldsried, Germany.

Faradion Ltd. manufactures batteries. It offers sodium-ion batteries that can be tailored to both energy and power applications. The company was founded by Jerry Barker and Christopher J. Wright and Ashwin Kumar Kumaraswamy in 2011 and is headquartered in Sheffield, the United Kingdom.

eCAPITAL entrepreneurial Partners AG (eCAPITAL) is a venture capital firm founded in 1999. The firm is headquartered in Münster, Germany.

1komma5° GmbH is a German Hamburg-based company founded in 2021 by Jannik Schall, Micha Grüber, Philip Liesenfeld, Philipp Schröder, and Michael H. Hinderer. The company is based in Hamburg, Germany, and has subsidiaries in Sweden and Germany. The company provides carbon-neutral home energy solutions, including solar systems, heat pumps, wallboxes, and energy storage, all connected to a smart energy system. The company offers a "One-Stop-Shop" for klimaneutrale Energiesysteme, providing tailored solutions for zero-impact power supply. Philipp Schröder has been the CEO since 2021.

ES.FOR.IN SE provides energy solutions for industrial customers. The private company is based in Essen, Germany. The German company was founded in 2014 by Christoph Gardlo and Christian Hövelhaus. Christian Hövelhaus has been the CEO since 2014.

Austria Wirtschaftsservice GmbH (AWS) is the Austrian promotional bank, fully controlled by the Government of Austria. Based in Vienna, AWS emerged in 2002 from the merger of several government funding agencies including FGG-Finanzierungsgarantiegesellschaft mbH and BÜRGES Förderungsbank GmbH. The firm later absorbed Innovationsagentur GmbH. The Seed Financing division of AWS manages venture capital investments by way of mezzanine financing. AWS also comprises several divisions not directly involved in investment management, namely Tecma which is specialized in technology marketing support, Tecnet which supplies technology information, i²-Ideas & Investment which is a networking platform for business angels and Biotech, providing business support for biotechnology projects. AWS manages the university spin-off fund Uni Venture, sponsored by BAWAG-Bank für Arbeit und Wirtschaft.

Part of LichtBlick SE, Installion GmbH is a digital marketplace for photovoltaic systems, energy storage, and wall boxes, and a strong advocate for the energy transition. The company is based in Cologne, Germany. Installion offers a digital platform for nationwide PV installations with installation guarantees, and provides career opportunities for both beginners and professionals in the field. The German company was founded in 2019 by Florian Meyer-Delpho and Till Pirnay, with Florian Meyer-Delpho serving as CEO since then. Installion was acquired by LichtBlick SE on April 01, 2023.