Q. How much electricity can this produce?
A. Solar energy systems are rated based on kilowatts (kW) of DC power and a Solar Roof system could be designed at almost any level, but generally we see 8-12 kW as a typical range. Actual annual production of kilowatt hours (kWh) AC power is dependent on other variables that are carefully evaluated during the design process, such as roof slope orientation, expected hours of sunlight, and shading. Our early experience from the design process suggests that most homes in our markets that are otherwise a good design fit can support enough production to replace 80%+ of a home’s annual electrical consumption.
Q. How much of the roof is made up of Photovoltaic (PV) tiles?
A. Depending on a homeowner’s electrical needs, we estimate the solar portion of the roof could be between 30-70% of the total roof surface. The Photovoltaic tiles are all full-size (15” x 45”) roof pieces, so they can generally be placed anywhere there is room for a full tile. Areas near rake edges, valleys, hips, and obstructions usually require partial tiles and metal flashing. In the planning process we also work with Tesla designers to optimize the placement for unobstructed sunlight. This means prioritizing south-facing exposures, as well as east and west.
Q. Are there Tax Credits available for Solar Roof or Powerwall?
A. Yes, For tax year 2020 there is a 26% Investment Tax Credit available that applies to a large portion of a Solar Roof installation and all of a Powerwall installation when done as part of a solar project. This credit will be reduced to 22% in 2021 and is currently scheduled to expire for residential projects beginning in 2022. The credit applies based on the year construction commences.
To see what your estimated tax credit would be from Hawaii and ITC, use on our online Tesla Solar Roof Calculator.
Q. How much does the Solar Roof cost?
Q. What types of roofs are a good fit for the Tesla Solar Roof system?
A. The system is designed to be installed on nearly any common sloped roof design in the market today. The system has the best value and most competitive installed pricing when a roof has a few large rectangular slopes with good south-facing exposures. We find that roofs with an excessive amount of hips and valleys or with a large number of dormers or a large proportion of small slopes are extremely labor-intensive leading to an unusually high installation cost.
Q. What areas do you service?
A. We provide excellent service on Oahu, Maui, Kauai, and the Big Island of Hawaii.