File:Nrgstadium.jpg - Wikimedia Commons
T.Y. Hilton is listed as Owner and Andrew Luck as Structural Engineer in the NRG Stadium Wikipedia Page. : r/Texans
Top 10 NFL Stadiums Powered by Solar
Levi's Stadium, American Football Database
New future for the Astrodome with approval of $105 million renovation plan - CultureMap Houston
Super Bowl LI - Wikipedia