Now there’s another option: an entire solar roof. Solar roofs are composed of solar shingles that can fit over existing shingles or be installed on their own. So the energy-harvesting ability is baked ...

Q: I have a small house, and it needs a new roof. I can’t afford to hire a roofer. My house has shingles on it, and I can walk on the roof with little difficulty. I’ve never installed roof shingles.

Tesla is starting to partner with other companies to install solar roof tiles and deploy the new solar product faster. In October of last year, Tesla launched version 3 of its Solar Roof tiles, which ...