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CAISO | Tuesday, September 29, 2026
Duckiness Score
Notable duck curve for CAISO on Tuesday, September 29, 2026
8.0
Ramp (50%)
17.6 GW evening ramp
6.3
Depth (35%)
6.8 GW valley
4.0
Timing (15%)
Trough at 1:00 PM
24-Hour Net Load Profile
Net load (demand minus solar and wind) throughout the day
Trough: 1:00 PM (12.0 GW)
Ramp: 17.6 GW
Peak: 6:00 PM (29.5 GW)
Total Demand
Net Load
Trough
Evening Peak
Evening Ramp
17.6 GW
Net load increase from trough to evening peak
Valley Depth
6.8 GW
How low net load drops during solar peak
Trough Timing
1:00 PM
When net load hits its daily minimum