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Renaissance Fusion is a nuclear fusion start-up in Grenoble, France, developing a stellarator reactor, aiming at making simple fusion electricity cheap. I participated in the pre-seed round in 2021.

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Aqua-Spark is a global investment fund that invests in small to medium enterprises that are working towards the production of safe, accessible aquatic life, such as fish, shellfish and plants, in a way that does not harm the health of the planet. I made an investment in them in 2021 as a diversification and to support their goal.

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SoSimple Solar is a Dutch project developer of PV installations in South Africa. Through a crowdfunding campaign at they raised a bond to develop some new projects whereby they perform the PV investment and installation on the roofs of small and medium size companies, and sell them back the electricity at a competitive rate.

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H2PRO is a startup that developed E-TAC, a revolutionary method for producing green hydrogen by splitting water that is over 95% efficient, safe and cost-competitive with fossil-fuel hydrogen.

I invested in this very promising company through Iangels, a modern VC that offers deal-by-deal investment options.

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Startupbootcamp Sustainability is a new fund which will invest in 30 of the most promising startups and scaleups from around the world that focus on creating a more sustainable planet.

This is a nice, innovative and promising set-up, which they've done a few years ago also for fintech startups. I made an investment in this fund through Nxchange.

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Blockheating places a containerized mini data center at the premises of a greenhouse horticulturist, and uses the data center's residual heat to warm the greenhouse. This results in energy savings for both the data center and the horticulturist. With the enormous growth in data processing and storage demand, this solution offsets some of the increasing CO2 emissions of the data center market. I provided a convertible loan in December 2020.

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Bluerise is a specialist developer of Ocean Thermal Energy Conversion (OTEC) technology. We made an investment in 2018. Allseas,  a global leader in offshore pipeline installation, heavy lift and subsea construction, acquired Allseas, a global leader in offshore pipeline installation, in Juli 2019.

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LeydenJar Technologies is a European based high tech venture, developing pure silicon anodes and its production technology, to boost the energy density of Li-ion battery cells for consumer electronics, electric vehicles, and residential energy storage. We formed a group of 5 angels to make an investment in July 2019.

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Oceans of Energy develops offshore floating solar systems to create abundant, clean and affordable energy. We provided a convertible loan in March 2020.

Video animation we made for them, illustrating their concept.

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Perpetuum Energy Partners undertakes geothermal projects, from concept to full development. We provided a convertible loan in March 2020. 

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Delft IMP has developed a new process and machine for adding nanocoatings to powders, leading to a better cathode material for Li-ion batteries, with improved capacity and lifetime. We provided a convertible loan in October 2020.