From LevelTen Aims to Satisfy Surging Corporate Renewable Energy Demand:

Solar wind via Flickr
Solar wind via Flickr

Solar and wind power, photo by Flickr user Gerry Machen, used under a Creative Commons BY-ND 2.0 license https://flic.kr/p/Cpqbod
https://creativecommons.org/licenses/by-nd/2.0/