Magidoc

Auction session lifecycle

An Auction Session has its own lifecycle.

Auction session statuses

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Status
Description
Enter order allowed
Results available
Final
PREOPEN
Initial Auction status
no
no
no
OPEN
Auction window is open
yes
no
no
CLOSED
Auction window is closed
no
no
no
RUNNING
Algorithm is started
no
no
no
PUBLISHED
Results made available
no
yes
yes
FINISHED
Auction is not run in time
no
no
yes

Auction timing for Response, Quick Reserve and Balancing Reserve auctions

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Response and Balancing Reserve auctions are day-ahead daily auctions. For a given auction running the day D, the following timetable will apply:

Day
Time (UK) - Response & Quick Reserve Auctions
Time (UK) - Balancing Reserve Auctions
Description
Auction session status
D-14
8:00 am
8:15 am
Opening of the auction, market participants can now start entering baskets for that auction.
OPEN
D
2:00 pm
8:15 am
Closing of the auction, creation, modification or deletion of baskets is not allowed anymore.
CLOSED
D
2:00 pm
8:15 am
Start the execution of the auction.
RUNNING
D
3:00 pm
9:00 am
Publication of the auction results.
PUBLISHED
D
11:00 pm
11:00 pm
Start of the delivery period.
PUBLISHED
D+1
11:00 pm
11:00 pm
End of the delivery period.
PUBLISHED

The auction timings are indicative, and the Service Terms take precedence over those stated in this documentation. Please refer to the EAC webpage for any updates to these timings.

Incident management

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In case of incident, if no auction results are available at the time of publication, the status of the auction session will be set to FINISHED instead of PUBLISHED and an Auction Session Log Item will be created with more information on the incident. You can retrieve the Auction Session Log Item using the auctionSessionLogItems query.