California ISO

System operator (ISO/RTO)CAISO

The ISO for most of California; energy and ancillary markets plus the Western EIM/EDAM.

Developments

3 tracked developments touching this entity.

02 OCT 2026

Go-live · ENERGY MARKETS · United States – Pacific Northwest / California (Western Interconnection)

02 OCT 2026

Regulatory review · BALANCING MARKETS · United States – Western Interconnection

18 SEPT 2026

Implementation · ENERGY MARKETS · United States – Western Interconnection (Nevada, California)