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Notice
March 11, 2022

REQUESTED ACTION

Information Only

CATEGORIES

Markets

Operations

Daylight Saving Time Transition 3/13/22

MESSAGE

Sunday, March 13, 2022, at 02:00 a.m. is the Daylight Saving Time (DST) transition from ST (Standard Time) to DT (Daylight Time). The California ISO is ready to monitor this event and ensure users experience a smooth transition.

 

Please review the Daylight Saving Time Short Day Information document for information on how the transition will occur in the ISO systems.

 

Market Timelines for the Short Day Sunday, March 13, 2022

 

Market Closure

Market Impacted - Day-Ahead Market (DAM), Real-Time Market (RTM)

March 12, 2022
10:00 PST

DAM (Bids, Base Schedules, RC Base Schedules) for Trading Day March 13, 2022

March 12, 2022
11:00 PST

DAM (Trades) for Trading Day March 13, 2022

March 12, 2022
23:45 PST

RTM (Bids, Base Schedules, RC Base Schedules) for Hour Ending 2:00

March 13, 2022
0:15 PST

RTM (Trades) for Hour Ending 2:00

March 13, 2022
0:45 PST

RTM (Bids, Base Schedules, RC Base Schedules) for Hour Ending 4:00

March 13, 2022
1:15 PST

RTM (Trades) for Hour Ending 4:00

March 13, 2022
1:45 PST

RTM (Bids, Base Schedules, RC Base Schedules) for Hour Ending 5:00

March 13, 2022
3:15 PDT

RTM (Trades) for Hour Ending 5:00

March 13, 2022
3:45 PDT

RTM (Bids, Base Schedules, RC Base Schedules) for Hour Ending 6:00

March 13, 2022
4:15 PDT

RTM (Trades) for Hour Ending 6:00


CONTACT INFORMATION

ISO Service Desk at (916) 351-2309 or (888) 889-0450, or the RC West Service Desk (for RC West participants only) at (916) 538-5722 or (833) 888-9378

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California Independent System Operator | P.O. Box 639014 | Folsom, CA 95630 | United States