Power was restored to the factory near Berlin on Monday after an outage which started on March 5.
Musk will travel directly to the plant at Gruenheide from Berlin airport, reported Table Media, adding he would meet Brandenburg State Premier Dietmar Woidke and the state's economy minister, Joerg Steinbach.
A spokesperson for Tesla in Germany declined to comment on the report.
Activists from the far-left Vulkangruppe claimed responsibility for the attack on the pylon near Gruenheide.