Jackery, a Japanese company in electrical generation, batteries and PV has developed a panel more efficient than a regular roof mounted panel and that looks much like regular cupped roof tiles. Black or terracotta.

https://hell.twtr.plus/media/99fe7d8c1ebc6df102307dd8f0592d215ad32ee6c5cdbf8dc86eca2bb5a57f57.file

https://hell.twtr.plus/media/a6a6701f0ecb1add6aab859779ada3ba2b3ba05e37d4898f1bd1787be7d7835a.file

https://hell.twtr.plus/media/77fba6135018a6f733255d6ff04af21c4d9cb2f43de3e722dd99647121190ac3.file

https://hell.twtr.plus/media/2221db43a5d99ea2e7bf1165edf8ea32d941d75f3a25740f2db7126995676196.file