Edison International has been around the world, but its largest subsidiary is Southern California Edison (SCE), which distributes electricity to a population of almost 14 million people in central, coastal, and southern California; it is also the top purchaser of renewable energy in the US. The utility's system consists of more than 12,780 circuit miles of transmission lines and more than 91,800 circuit miles of distribution lines. SCE also has 6,287 MW of generating capacity from interests in nuclear, hydroelectric, and fossil-fueled power plants. Through Edison Energy the company owns and operates solar power projects.