Given its profound effect on modern-day technology, it is not out of the realm of reasonability to be concerned your Tesla solar system won't. Although your Tesla solar system does not need the Internet to function properly, there are some drawbacks to using your system without this. For better or worse, the Tesla solar system does not rely on an Internet connection to be fully operable. Connecting your system to the Internet will allow you to reap the benefits of other Tesla products and manage your system's functionality and. There are some benefits to keeping your Tesla solar system offline, although it is ultimately a personal preference of whether these pros.