Tesla Solar Roof
- 30kW solar panels
- 40kWhr bats (3 power walls)
- https://www.youtube.com/watch?v=UJeSWbR6W04
- 400W household background power
- House is on gas - still gas heating cost
- Winter - needs grid.
Cost
- $120k including labor and pv shingles + bats. $93k after solar tax credit.
- Produced 54MWhr - one year - $9k - which includes driving an electric car. Compare to 5 kW SEH - 11MWhr
- Payback time is 10 years.
- Bills roll over- so the guy paid $0 energy bills!
- BUt, still getting charged $5.75 hookup charge from utility!