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October 28, 2020
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REQUESTED ACTION
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CATEGORIES
Markets
Operations
Information Technology
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Daylight Saving Time Transition 11/1/20 |
MESSAGE
Sunday, Nov. 1, 2020 2:00 a.m. is the Daylight Saving Time (DST) transition from DT (Daylight Time) to ST (Standard Time). The ISO is ready to monitor this event and ensure users experience a smooth transition.
Please review http://www.caiso.com/Documents/DaylightSavingTimeLongDayInformation.pdf for information on how the transition will occur in the ISO systems.
Market Timelines for the Long Day Sunday, Nov. 1, 2020
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Market Closure
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Market Impacted – Day-Ahead Market (DAM), Real-Time Market (RTM)
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10/31/2020 1000 PDT
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DAM (Bids, Base Schedules, RC Base Schedules) for Trading Day 11/1/2020
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10/31/2020 1100 PDT
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DAM (Trades) for Trading Day 11/1/2020
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10/31/2020 2345 PDT
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RTM (Bids, Base Schedules, RC Base Schedules) for Hour Ending 0200
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10/31/2020 0015 PDT
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RTM (Trades) for Hour Ending 0200
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11/1/2020 0045 PDT
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RTM (Bids, Base Schedules, RC Base Schedules) for Hour Ending 0200* (Second Hour Ending 0200)
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11/1/2020 0115 PDT
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RTM (Trades) for Hour Ending 0200* (Second Hour Ending 0200)
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11/1/2020 0145 PDT
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RTM (Bids, Base Schedules, RC Base Schedules) for Hour Ending 0300
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11/1/2020 0115 PST
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RTM (Trades) for Hour Ending 0300
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11/1/2020 0145 PST
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RTM (Bids, Base Schedules, RC Base Schedules) for Hour Ending 0400
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11/1/2020 0215 PST
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RTM (Trades) for Hour Ending 0400
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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
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