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.

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

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 …

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

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

The California ISO manages the flow of electricity across high-voltage, long-distance power lines. We operate a competitive wholesale energy market that promotes lower costs and renewable …

Jan 7, 2026 · Our weekly Energy Regulatory Update for January 14, 2026, features key developments from state and federal agencies including: FERC, CPUC, CAISO, CEC, CARB, …

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 …