Competitive Electricity Markets Spotlight: California ISO

The California ISO—or CAISO—is the only independent grid operator in the western United States and manages the flow of electricity for the grid that serves 80 percent of California and part of Nevada. Its competitive wholesale electric marketplace has been described as a hybrid of the New York Stock Exchange and NASA’s mission control, employing advanced technologies to monitor the grid to ensure that power reaches more than 30 million consumers when they need it.