CISO · Near-real-time grid operations
California Independent System Operator
Watch California ISO demand and connect the operating signal with California's diverse resource portfolio.
Live operating signal
CAISO hourly demand
Loading the latest EIA-930 report...
Latest reported hourWaiting
--MWh during the hourConnecting to EIA
Preliminary hourly operating data can be revised. A missing live value does not mean electricity demand is zero.
Coverage
How to read this footprint
CAISO operates most of California's high-voltage grid, but not every California utility is inside its balancing authority area. State totals are context, not CAISO totals.
Generation context
States connected to the CAISO footprint
Sources and definitions
Two datasets, two jobs
- Operating signal
- EIA-930 hourly demand, preliminary
- Generation context
- EIA-860 2024 Final state plant records
- Operator boundary
- Descriptive only; consult the operator for current territory