> In households, Tesla is angling for comparisons to Apple Inc.’s hardware ecosystem, which tends to push people who’ve already bought in to buy more. Lots of c

> In households, Tesla is angling for comparisons to Apple Inc.’s hardware ecosystem, which tends to push people who’ve already bought in to buy more. Lots of customers already have the trifecta of key Tesla products: an electric car in the driveway, solar panels or a Tesla Solar Roof up above, and a home battery called the Powerwall in the garage (or maybe rigged up outside). “Tesla’s core concept is to make the house as energy-independent and self-reliant as possible,” says Pol Lezcano, an analyst for BloombergNEF, Bloomberg LP’s primary research service on the energy transition. “The idea is to have a Tesla-powered home.”