Day-Ahead System Summary
Hour DA
Forecast		 DA
Net Load Forecast1		 DA
Forecast plus Reserves2		 RUC Forecast
Adjustment3		 RUC Shortfall
with Forecast Adjust4		 RUC Shortfall5 RUC Self-Sched (PTK)
Export Reduction6
1 30,422 28,372 32,272 0 0 0 0
2 28,629 26,837 30,363 0 0 0 0
3 27,211 25,577 28,853 0 0 0 0
4 26,428 24,934 28,014 0 0 0 0
5 26,402 25,103 27,981 0 0 0 0
6 27,189 26,088 28,817 0 0 0 0
7 28,164 25,589 29,854 1,555 0 0 0
8 29,097 19,783 30,846 2,348 0 0 0
9 29,375 15,721 31,138 1,121 0 0 0
10 29,623 14,308 31,402 0 0 0 0
11 30,289 14,209 32,110 0 0 0 0
12 31,656 15,268 33,564 0 0 0 0
13 33,548 17,057 35,575 0 0 0 0
14 35,609 19,234 37,771 0 0 0 0
15 37,815 21,446 40,116 0 0 0 0
16 39,849 23,693 42,288 0 0 0 0
17 41,092 25,754 43,621 0 0 0 0
18 42,432 28,768 45,049 1,292 0 0 0
19 43,116 34,813 45,776 2,086 0 0 0
20 42,705 39,444 45,340 1,099 0 0 0
21 41,348 38,965 43,898 55 0 0 0
22 39,590 37,020 42,028 0 0 0 0
23 36,499 33,794 38,736 0 0 0 0
24 33,495 30,773 35,542 0 0 0 0

1 Day-Ahead CAISO Demand forecast minus solar and wind forecast

2 Day-Ahead CAISO Demand forecast plus hourly operating reserve requirements

3 Adjustment applied to the Day-Ahead load forecast

4 RUC Shortfall that includes any operator adjustment to RUC forecast

5 The RUC Under-supply infeasibility discounting the adjustment to Day-Ahead forecast

6 Difference between RUC schedule and IFM schedules for export schedules supported by non-RA resources

For any questions related to this report, please reach Market Validation and Quality Analysis at