https://blog.google/company-news/inside-google/around-the-globe/google-europe/project-sunroof-germany/
Partnering with E.ON to bring Project Sunroof to Germany
May 3, 2017 - We’re making it possible for people in Germany to see the solar potential of their rooftops, through a partnership with E.ON and Project Sunroof.
e onproject sunroofpartneringbringgermany
https://robertnyman.com/2015/08/20/alphabet-company-android-experiments-project-sunroof-latest-from-google-7/
Alphabet company, Android Experiments, Project Sunroof – Latest from Google #7 - Robert's talk
alphabet companyproject sunrooflatest fromandroidexperiments