Photo credits
The rooftop photographs on this site are other people's work. Each file here is a resized WebP of the original. The adapted file stays under the same license.
Hero and the mobile strip
Solar panels on a house roof
Author: Gray Watson (Wikimedia user E090)
License: CC BY-SA 3.0
Source: Wikimedia Commons
The wide photo under the homepage notes
Residential solar array on a house roof
Author: Cboyce89
License: CC BY-SA 4.0
Source: Wikimedia Commons
The photo beside How it works
Solar panels on a house roof in Cromer, Norfolk
Author: Kolforn (Wikimedia)
License: CC BY-SA 4.0
Source: Wikimedia Commons