Tesla had to cut losses after significant mistakes and overspending
By Antony Terence Nov. 1, 2026 8:30 am EST Roschetzky Photography/Shutterstock Add Engadget on Google: Google DiscoverTesla's Solar Roof panels were designed to look like regular shingles while delivering 98 percent of a normal solar panel's efficiency. It did so by reflecting light to make the tiles appear like normal ones from street level despite being transparent when viewed from above. Unfortunately, the novel concept didn't live up to expectations. In August 2026, Electrek reported that Tesla was discontinuing the product and that its third-party installer network would only be supplied with conventional solar panels going forward.
