The island’s electrical problems are blamed largely on failing infrastructure. Tesla makes game-changing announcement ...

three Tesla Powerwalls (batteries), and a Tesla app to manage his home solar system. "The main reason I went this route was for simplicity and integration. I paid a price premium for this.

Mr Musk's firm, Tesla, has set up solar panels and energy storage batteries at Hospital del Nino, a children's hospital in San Juan. The batteries will provide energy from the panels when sunlight ...

Powerwall is a powerful home battery that stores solar energy for use when the ... or more than 700,000 units per year. A powerwall system, Tesla says, can power an entire home including large ...