The transition from summer time (daylight saving time) to standard time takes place by setting the clock one hour back (from 03:00 am to 02:00 am CET) during the night of Sunday, 29 October (week 43). Sunday will have 25 hours.
The Day-ahead market
For handling of transition in Day-ahead Web, please see the Day-ahead Web support pages.
For information about the API and DST, please see the API Developer Portal.
For UK Half hour auction, please see the DST chapter in the User guide.
The intraday market
As a result of the transition to standard time there will be additional series listed corresponding to the latter hour between 02:00 am - 03:00 am CET. It is possible to trade all series until the relevant closing time per area before the beginning of the delivery period.
Tables showing the correct DST naming, delivery start/end and gate closure for all areas, is found here
Member test
In preparation of the daylight saving time change, we are opening our test environments for all members interested in running a test. Test times are as following:
Tuesday 3 October
08:00 CET Intraday member test environment opens
14:00 CET Day-ahead & UK half hour auction gate closure time (for delivery date 29 October)
15:00 CET Publication of Day-ahead and UK HH trade results
Thursday 5 October
14:00 CET CASS results available
14:00 CET Intraday member test environment closes
For intraday, the test environment will time travel so that 14:00 CET on 3 October simulates 02:00 CET 29 October. This is done to make it easier to perform trades in the affected time slots.
For Day-ahead, test environment is open for bids until gate closure time 3 October (for delivery date 29 October).
Test sites:
Day-ahead auction https://dayahead.test.nordpoolgroup.com
UK Half Hour auction http://auctions.test.nordpoolgroup.com
Intraday http://intraday.test.nordpoolgroup.com
CASS http://clearing.test.nordpoolgroup.com
Nord Pool desk
| T: +47 6710 9110 (Day-ahead desk) | E: [email protected] |
| T: +47 6710 9115 (Intraday desk) | E: [email protected] |