tagius wrote:Most of you are not comaparing apples to apples in this discussion. You are looking at the cost of a Tesla Roof compared to a simple Asphalt roof.
The cost of a Tesla Roof is equal to the cost of a asphalt roof + Solar Panels. I have run the numbers on my house in SoCal and they are almost equal, so all this talk of the Tesla Roof being 10X and 20X the cost of ashphalt shingles is just not correct. Also note that it only works after you figure in the 30% fedral tax credit. You cannot deduct the fedral tax credit from ashphatl shingles, only the solar panels in a conventional set up. With Tesla you can deduct 30% from almost the whole bill. This is where the price really comes down and meets with the conventional set up for solar.
Numbers...Tesla is actually Cheaper
Conventional set up; Shingles 15,000 + Solar Panels 48,000 (18kWh system)= 63,000 less Fed Credit (30% of 48,000...14,400) = 48,600 Total
Tesla roof; 66,300 less Fed Credit (30% of almost entire system...17,900) = 48,400 WINNER
It is surprising to me that they have no data on the website as to how many kWh the system produces or how it is constructed. I just paid the deposit online so lets see what happens. Its fully refundable. I wont actually purchase it unless they can prove it will generate the amount of kWh I need.
2,500 sf roof with no power walls.
Net erned over 30 years; 57,400
Average current electric bill; 220 per month
The question is with the tesla one are you buying a 18kWh system or a 9? I definitely couldn't find that info either. Musks original quote was that it would be cheaper than an traditional shingle roof. The math there was you would pay 60k more for the roof upfront an generate 60k+ of electricity over the next 30 years so it would be "cheaper"