Google Makani – Wind Energy Kites
A german startup for energy kites based in berlin with a working prototype was even first.
<a href="http://www.enerkite.de/" rel="nofollow">http://www.enerkite.de/</a>
<a href="https://fundernation.eu/fundernation/projects/enerkite" rel="nofollow">https://fundernation.eu/fundernation/projects/enerkite</a>