I would suggest reading the section on solar in Tesla's letter[1]. They put some of the blame for declining solar sales on the fact that customers are waiting

I would suggest reading the section on solar in Tesla's letter[1]. They put some of the blame for declining solar sales on the fact that customers are waiting for powerwall. They expect sales to pick up as powerwall sales pick up. [1] http://files.shareholder.com/downloads/ABEA-4CW8X0/6240200368x0x979026/44C49236-1FC2-4FD9-80B1-495ED74E4194/TSLA_Update_Letter_2018-1Q.pdf http://files.shareholder.com/downloads/ABEA-4CW8X0/624020036...