Tesla is well known for its electric vehicle business. 

It has another big business that is not widely known - energy business. This comprise of its battery manufacturing, solar roof and power roof. 

It is also providing mega battery packs to utility companies to store their energy to be used overnight. They have a big project in Australia and is building another energy farm in Texas, USA.

This video explains this business in more detail.
https://www.youtube.com/watch?v=qeofpjULG-E

I am monitoring this development closely. 

It may have an impact on the future stock price of Tesla in the future.