Elon Musk's solar ambitions have shifted from powering homes to powering Tesla's AI era

Elon Musk has called for greater investment in solar energy to power AI infrastructure. Marc Piasecki/Getty Images Tesla inked deals to purchase electricity from two utility-scale solar power projects. The projects have a combined solar capacity of roughly 600 megawatts. Tesla's latest power purchases come as the company invests heavily in AI and robotics. About a decade ago, Tesla entered its solar-for-homes era with its contentious acquisition of SolarCity. Now, Tesla's solar dreams are…