CleanTech Capital is an international corporate & project finance and mergers & acquisitions firm for clean technologies and renewable energies with offices in Europe, North America and South America.

We grow green business.


CleanTech Capital provides business development, corporate and project finance, mergers & acquisitions, divestitures and restructuring services in the clean technology and renewable energy sector. CleanTech Capital has offices in Europe, North America & South America.

We give advice and offer hands-on business development and transaction execution services to listed and private companies, international and domestic utilities, entrepreneurs and institutional investors.

If you require hands-on and experienced transactors, valuation experts, project managers or interim managers with own business and investment track record we should be your partner.

CleanTech Capital

Ibelweg 18a
CH-6300 Zug

Tel.: 041 760 3173
Fax: 041 760 3174


Shell takes over leading German solar storage specialist Sonnen AG


Unicorn valuation? - Shell Ventures innitially invested last May in a €60 million round along VC investors Inven Capital, MVP Management, SET Management, investi?ní fond, and eCapital and became strategic prtner for the international roll-out. It now bought out all previous investors. Besides its intelligent energy storage systems, Sonnen offer digital services to private households through their Sonnen Community. Christoph Ostermann, CEO and co-founder: "With Shell New Energies we have found the perfect strategic partner to help us continue growing dynamically in a rapidly developing market." Sonnen has raised approx. €150 mn in VC Funding.

Amazon leads $700 mn investment round into US electric pick-up and SUV manufacturer Rivian and participated in $530 mn round in Palo Alto based self driving start-up Aurora Innovation led by VC Sequoia Capital.


General Motors also in discussions with Rivian? - Rivian´s largest investors, Saudi car distribution and energy group Abdul Latif Jameel also participates in new investment round that may value Rivian at $3-4 bn according VC market estimates. Rivian has approx. 750 employees and a 24 ha manufacturing plant in Normal, Illinois, and presented an all-electric R1T pickup and R1S SUV at the LA Auto Show last November which it wants to sell from 2020 on. Aurora Innovation also is an Unicorn with an estimated valuation of approx. $2.5 bn.

German grid company Amprion and its largest gas network operator want to build 100MW pilot hydrogen storage plant for access wind energy


Seek €150 mn government grants for landmark energy project - Access wind energy that cannot be fed into the power transmission and distribution system could be used to produce hydrogen as an power storage. The project Hybridge shall be build in the northern district Emsland and provide green H2 via existing pipelines to industrial areas like the Ruhrgebiet. It could start production as early as 2023.

CATL, the world’s largest maker of battery cells for electric vehicles, has sharply increased the planned output of its first European factory to be built in Erfurt, eastern Germany


Matthias Zentgraf, MD Europe: “We want to build 14 GWh in a first step and now estimate that we could be in the three-digit GW area from 2026 at the latest.” - BMW already announced last year a €4bn purchase contract with CATL who is also aiming at VW and Daimler as potential customers of the Erfurt plant.

Finish State owned utility Fortum accumulationg shares to gain majority of German Uniper


Russian competition authorities have not yet approved the business combination - Fortum reported that it now holds 49.99% of the thermical energy generation business spun-off by E.ON in 2016. Fortum acquired the remaining 46.8% E.ON stake a year ago and launched a public takeover offer. Since announcement the Uniper shares were trading above the offer price and Fortum could only win another 0.5% to finish the tender offer with 47.35%. It briefly dipped below the €22 level once in December 2018 but remained above the offer price. Fortum said it has a clear vision how to forged an integrated energy group.


Energy Storage Summit

2019/02/26 - 2019/02/27

London, Hotel Park Plaza Victoria -

Private Equity in Zug

2019/03/11 - 2019/03/11

Zug, GIBZ, Baarerstrasse 100 -

IRES 2019 : 13th International Renewable Energy Storage Conference

2019/03/12 - 2019/03/14

Duesseldorf, Trade Center - The European Association for Renewable Energy EUROSOLAR will organize its 13th International Renewable Energy Storage Conference (IRES 2019) jointly with the Energy Storage Europe (ESE) Conference and Exhibition at Messe Düsseldorf, Germany.

Energy Efficiency World

2019/03/26 - 2019/03/27

Johannesburg, Sandton Convention Centre, South Africa -

Tech Tour Growth Summit

2019/03/28 - 2019/03/29

Geneva & Lausanne - 6th edition of the Tech Tour Growth Summit - Redefining Ambitions, 50+ of Europe's boldest CEOs