The California ISO manages the flow of electricity across high-voltage, long-distance power lines, operates a competitive wholesale energy market, and oversees transmission planning.

CAISO is one of the largest ISOs in the world, delivering 300 million megawatt-hours of electricity each year and managing about 80% of California's electric flow.

May 8, 2024 · In California, the flow of electricity is largely managed by CAISO. In this article, we’ll explore the question of “what is CAISO?” and why it’s a key player in the U.S. energy market.

CAISO is one of seven ISOs or regional transmission organizations (RTOs, collectively with ISOs referred to as ISO/RTOs) operating in the U.S. The Federal Energy Regulatory Commission (FERC) …

Monitor real-time grid conditions. View current and historical data for demand, net-demand, supply, renewables, CO2 emissions and wholesale energy prices.

CAISO’s core responsibilities • The CAISO is a federally-regulated nonprofit, independent, technology-neutral organization that manages the high-voltage electric grid for 80% of California and a portion of …

The California Independent System Operator (CAISO) operates a competitive wholesale electricity market and manages the reliability of its transmission grid. CAISO provides open access to the …

Jan 8, 2026 · The California ISO manages the flow of electricity on high-voltage power lines, operates a wholesale energy market, and oversees infrastructure planning.

Find your new career or summer internship at the California ISO. Learn how you can be part of the great work being done at the ISO.

The California ISO Price Map provides real-time electricity market prices across different regions in California.