Rockstart and Green for Growth Fund launch Clim@ Scaler 2022

  • The program supports scaleups combating climate change through innovative energy efficiency, circular economy, resource efficiency and sustainable energy solutions
  • Clim@ Scaler is open to ventures from markets in Southeast Europe, Turkey, the European Eastern region, and the Middle East and North Africa

Amsterdam, March 8, 2022:  Rockstart, global early stage investor, announces it has joined forces with Green Growth Fund (GGF) to organize the first edition of Clim@ Scaler. Following the success of previous editions which focussed on startups, the Clim@ Scaler 2022 aims to boost impactful ventures that are already addressing sustainability issues but looking to scale their climate solutions and have a positive impact on the future of the environment. Rockstart plays the key role of scouting and preparing the ventures to scale up their businesses. Applications are now open and ventures can apply at until  April 5th. 

Selected green ventures will gain access to a four-month accelerator program designed specifically for scaleups with an impact business model and that are currently based in or plan to expand their activities into GGF target regions. The program entails personalized mentorship, interactive training, corporate connections with key industry leaders in the Energy, Agritech, and Emerging Tech sectors, a grant, and a final investor network event. Furthermore, the GGF Technical Assistance Facility (TAF) will support finalists’ post-program by considering technical assistance projects for funding that support the scaling of ventures and their green solutions. 

Clim@ has always been about finding innovative business solutions that can transform the way we mitigate and adapt to climate change. However, this year, we are going one step further to find ventures already on the journey to sustainability and see how we can ramp up their efforts in a targeted and impactful way. We are excited for the launch of this edition and look forward to finding promising ventures together with Rockstart, a leading early-stage investor. Olaf Zymelka, GGF Chairman
At Rockstart we are on a mission to empower purpose driven founders to drive positive change on a global scale. The Clim@ Scaler initiative couldn’t align any better with what we are set to achieve. In the recent years we have seen many promising innovations coming from the markets targeted by Clim@ Scaler and we are thrilled to be able to contribute to their growth and, subsequently, regional positive impact. Rune Theill, CEO and Co-Founder, Rockstart

Finalists for Clim@ Scaler will be announced in April, with the program kicking-off shortly after and running through the summer. The seven finalists will participate in the tailor made accelerator program, and at the end of the program have the chance to pitch towards an audience of relevant investors and corporate partners, which may be held digitally or in-person (depending on public health considerations).  

To apply or for more information on Clim@ Scaler visit or contact

About Green Growth Fund

The Green for Growth Fund invests in measures designed to cut energy use and CO2 emissions, and improve resource efficiency in 19 markets across Southeast Europe, the Caucasus, Ukraine, Moldova, the Middle East and North Africa. The fund provides such financing directly to renewable energy projects, corporates and municipalities or indirectly via selected financial institutions. The GGF’s Technical Assistance Facility maximizes the fund’s investment impact through support for capacity building at local financial institutions and partners.

The GGF was initiated as a public-private partnership in December 2009 by Germany’s KfW Development Bank and the European Investment Bank, with financial support from the European Commission, the German Federal Ministry for Economic Cooperation and Development, the European Bank for Reconstruction and Development, and the Austrian Development Bank (OeEB). The fund’s growing investor base comprises donor agencies, international financial institutions and institutional private investors, including the International Finance Corporation, the Dutch development bank FMO, and the German ethical bank GLS. The GGF is advised by Finance in Motion GmbH. MACS Energy & Water GmbH, Frankfurt am Main acts as the technical advisor.

About Rockstart

Rockstart is an early stage investor that empowers purpose-driven founders across three domains: Energy, AgriFood, and Emerging Technologies.

Rockstart invests in early-stage startups from each of the three funds and provides access to capital, market, and expertise by connecting founders with co-investors, mentors, partners, corporates, and the wider Rockstart network.

Rockstart has invested in more than 350 startups and its alumni value to date is more than €1.6bn. Rockstart is an international team of 45+ professionals dedicated to empowering purpose-driven founders to become scalable and drive positive change on a global scale. Rockstart has notable exits such asWercker,, Hubs.Com, Bouw7, iClinic, and s and Brincr. The company has offices in Amsterdam, Copenhagen, and Bogota.

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