The following submission statement was provided by /u/chopchopped:

SS- A New Jersey Resident built a solar hydrogen home in 2006, which was the subject of a Scientific American article called "Inside the Solar-Hydrogen House: No More Power Bills--Ever" https://www.scientificamerican.com/article/hydrogen-house/ - great to see others integrating this tech - 17 years later.
http://hydrogenhouseproject.org

Edit: Apparently Mike's website is temporarily unavailable [...] - here's an archive view
http://web.archive.org/web/20220202063706/https://www.hydrogenhouseproject.org/index.html

Please reply to OP's comment here: https://old.reddit.com/r/Futurology/comments/118grbs/building_for_the_future_andalucian_luxury_villa/j9gz0hw/