Market Summary

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 29,002 23,917 30,746 0 0 0 0
2 27,379 22,443 29,021 0 0 0 0
3 26,095 21,330 27,656 0 0 0 0
4 25,296 20,765 26,808 0 0 0 0
5 25,223 20,933 26,730 0 0 0 0
6 25,910 21,828 27,461 0 0 0 0
7 26,895 21,843 28,507 1,230 0 0 0
8 27,618 16,057 29,273 2,600 0 0 0
9 27,616 11,523 29,271 2,030 0 0 0
10 27,488 10,122 29,135 1,499 0 0 0
11 27,556 9,721 29,206 1,140 0 0 0
12 28,219 10,020 29,912 1,061 0 0 0
13 29,477 11,062 31,250 1,086 0 0 0
14 31,483 12,907 33,382 1,126 0 0 0
15 33,741 15,051 35,781 1,265 0 0 0
16 36,143 17,321 38,335 1,092 0 0 0
17 38,136 19,687 40,455 1,455 0 0 0
18 39,741 22,952 42,161 1,748 0 0 0
19 40,059 29,286 42,501 2,608 0 0 0
20 39,226 33,928 41,614 1,039 0 0 0
21 38,018 33,402 40,331 742 0 0 0
22 36,473 31,866 38,689 0 0 0 0
23 33,916 29,381 35,971 0 0 0 0
24 31,344 26,895 33,236 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