DST is observed by CAISO, ERCOT, ISONE, NYISO, PJM, and SPP.
XML Submissions
- CAISO/ERCOT
- 'FromInterval' scheduling is used and intervals have to be listed sequentially.
- Daylight Savings Time (DST) Submissions, from the APX ISO Scheduling API Specification that explains the submissions for the short day:
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Hourly Interval Submissions, “Short Day” |
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APX FromInterval |
ISO Hour Ending |
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1 |
01:00 |
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2 |
02:00 |
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3 |
04:00 |
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4 |
05:00 |
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…….......................................................... |
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22 |
23:00 |
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23 |
24:00 |
- ISONE, NYISO, PJM and SPP
- Since GMT scheduling is used by these ISOs, there are no DST issues.
CSV Submissions
- All ISOs
- For all ISO regions alike, HE scheduling is used, so HE 03 needs to be omitted.
- Simply skip HE3 under the Hour column. If there is a value there, it will be added to HE 02.