This is caused by the squeegee being angled incorrectly forcing the water under the rubber blade out into the dry area of the glass or from solution being pushed up into the top edge of the window.
Although there is a slight difference between our original calculation and Teslaâs new oneâlast fall we built in a cost of $6,500, Teslaâs current cost for a Powerwall as part of a Solar Roof installation is $7,000.
Tesla CEO Elon Musk is also chairman of SolarCity. Galves has a price target of $290 for Tesla. That's more than 20% above where it's trading now and is just below the stock's all-time high from last year.