Meta Platforms Inc. is venturing into the complex world of electricity trading, betting it can accelerate the construction of new US power plants that are vital to its artificial intelligence ambitions. The foray into power trading comes after Meta heard from investors and plant developers that too few power buyers were willing to make the early, long-term commitments required to spur investment, according to Urvi Parekh, the company’s head of global energy. Trading electricity will give the com...