wattya!
A LITTLE ENERGY KNOW-HOW

California ISO electricity demand, generation & energy mix

Read California ISO hourly power observations, energy mix and recent demand history with clear EIA report timestamps.

Source period: . Collection and publication times may differ.

Latest available EIA power observation2026-10-30T06:00:00Z

Hourly reports can be delayed. This page is not an outage monitor or instant telemetry.

California ISO is an operator area, not a state boundary. A California household’s tariff is a separate retail product.

24.8 GWDemand
21.72 GWGeneration
21.4%Wind + solar + hydro share

Reported generation mix

SourceShare of positive generation
Natural gas60.1%
Nuclear5.1%
Wind13.5%
Solar0%
Hydro8%
Other13.4%

Recent hourly observations

Reported demand · GW10-29T07:00: 22.9510-29T08:00: 22.410-29T09:00: 21.7910-29T10:00: 21.5610-29T11:00: 21.810-29T12:00: 21.510-29T13:00: 22.0410-29T14:00: 23.8410-29T15:00: 25.2210-29T16:00: 26.5210-29T17:00: 29.2810-29T18:00: 28.9810-29T19:00: 29.2410-29T20:00: 29.9210-29T21:00: 29.3210-29T22:00: 29.3110-29T23:00: 27.9410-30T00:00: 25.9610-30T01:00: 26.5510-30T02:00: 26.9210-30T03:00: 26.6210-30T04:00: 26.2410-30T05:00: 25.8710-30T06:00: 24.810-29T07:0010-30T06:00
Reported demand · GW. Exact values appear in the table.
Observation (UTC)Demand (GW)Generation (GW)
2026-10-30T06:00:00Z24.821.72
2026-10-30T05:00:00Z25.8722.22
2026-10-30T04:00:00Z26.2422.78
2026-10-30T03:00:00Z26.6223.81
2026-10-30T02:00:00Z26.9224.2
2026-10-30T01:00:00Z26.5523.64
2026-10-30T00:00:00Z25.9623.9
2026-10-29T23:00:00Z27.9423.44
2026-10-29T22:00:00Z29.3121.64
2026-10-29T21:00:00Z29.3220.46
2026-10-29T20:00:00Z29.9220.45
2026-10-29T19:00:00Z29.2421.93
2026-10-29T18:00:00Z28.9821.48
2026-10-29T17:00:00Z29.2822.17
2026-10-29T16:00:00Z26.5223.54
2026-10-29T15:00:00Z25.2222.94
2026-10-29T14:00:00Z23.8422.19
2026-10-29T13:00:00Z22.0419.3
2026-10-29T12:00:00Z21.517.6
2026-10-29T11:00:00Z21.816.73
2026-10-29T10:00:00Z21.5616.83
2026-10-29T09:00:00Z21.7917.34
2026-10-29T08:00:00Z22.418.45
2026-10-29T07:00:00Z22.9518.95

Follow the grid on the map

Open California ISO on the interactive map ↗

How to interpret this report

GW values are hourly averages converted from reported MWh. Negative storage or pumping is excluded from the positive generation mix. Regional boundaries may overlap with other aggregate records, so do not add all grid totals together.

Understand imports and exports ↗ · Understand renewable share ↗

Keep exploring

State prices ↗Grid reports ↗Calculators ↗Guides ↗