Tag: <span>Tesla</span>

But will it leak? An interesting look at installing a new Tesla roof

By Karen L. Edwards.

California homeowner Kyle Field’s house burned in 2017 and for the rebuild, he knew that he wanted to install Tesla’s Solarglass Roof.

To start the process, Kyle made a $1,000 deposit to reserve the roof and was excited to learn that he had been accepted into the pilot for Tesla’s new home program.  His home became one of the first new-construction homes to receive the Solarglass version 2 roof.

Kyle works for CleanTechnica, a clean energy website that reports news, reviews and analysis related to the clean tech industry, so he was very interested in documenting the entire process from start to finish. He does acknowledge that Tesla’s newer version 3 is larger and easier to manufacture and install.   He and his builder worked directly with Tesla to scope the system. What is unique about the tiles is that Tesla is able to scale the system up or down by the number of photovoltaic tiles used. To scale down, they simply use non-producing glass tiles.

The Tesla project leader for Kyle’s installation worked directly with his builder to coordinate the installation timing and to communicate what their electrical needs were. Because Kyle chose not to have natural gas in the home, he wanted to get as much output from the system as possible. Solar tiles were installed on the north-, south-, east, and west-facing roof planes, not an ideal way to maximize production but for his situation it made sense.

His home has two stories, so the upper roof was installed several weeks ahead of the lower roof. Once the stucco is installed on the house, the Tesla team will return to finish the installation, connect inverters and install the Tesla Powerwalls that store the energy.

While the upper roof was being installed, Kyle got onto the roof to record a video of the installation. He shows up-close footage of the Solarglass tiles with the PV and the ones without as well as shares a look at how the tiles are attached.

Tesla believes that its Solarglass Roof is cheaper than the cost of a regular roof plus the cost of energy over a span of 25 years. But the question remains – how well will it perform when it comes to protecting the home from the elements?

Get the latest industry news delivered to your inbox when you sign up for the SmartBrief e-newsletter. 

Source: RoofersCoffeeShop.

Image Credit: Chuck Field

Tesla Patent for Colored Solar Tiles

By Karen L. Edwards, RCS Editor.

The Tesla patent is for ‘Uniformly and Directionally Colored Photovoltaic Modules.” In the patent, they explain that traditionally the color of the panels is the natural color of the solar cells embedded inside, which is usually blue, dark blue or black.

Most homeowners want to select the color of their roof, so that it complements the rest of their home. Existing methods to color the tiles, such as applying tinted glass or color encapsulation sheets can absorb a lot of sunlight and cause the PV system to perform poorly. These methods may cause the tiles to suffer from sparkle, glint or angle-dependent color. They also degrade over time, resulting in an unpleasant appearance.
Tesla’s patent states that it will produce PV roof tiles with a uniform color with little light absorption. Their method will consist of texturizing the inside surface of a glass cover and a transparent material that has a predetermined refractive index. Spherical, metal nanoparticles positioned on the inside surface can produce colors without absorbing much light.

As Tesla stated in their Q2 2017 report, “Adopting solar has historically required a degree of aesthetic compromise, but Solar Roof provides clean energy from a better-looking roof.” They are taking the aesthetics one step further and will be able to offer homeowners even more color choices.
While the company didn’t say where the new tiles would be manufactured, it most likely will be at the company’s Gigafactory2, a 1.2 million square foot facility located in Buffalo, New York. The company began manufacturing there in late 2017 and employs 800 workers to date. Their agreement with the state of New York requires them to increase that to 5,000 employers over the course of the next ten years.

Photo: Tesla

Source: RoofersCoffeeShop