Information regarding cookies and WWW.SEM-O.COM

By using this website, you consent to the use of cookies in accordance with the Single Electricity Market Operator’s Cookie Policy.
For more information on cookies and our Cookie Policy please follow this link.

I accept

 Market Messages 

Click for RSS Feed




Message Subject Message Category Run Type Affected Period Created Modified Message Status
SEM Posted Credit Cover Customer Service NA 10/10/2018 10/10/2018 16:54 11/10/2018 09:16 Closed
Potential Issue Regarding the Flagging of Negative Reserve Constraints - New SEM Market   Ad hoc n\a 06/10/2018 19:06 06/10/2018 19:06 Closed
Indicative Settlement for 30/09/2018 & Indicative Capacity for September will be delayed Settlement Indicative September 2018 01/10/2018 15:57 05/10/2018 13:55 Closed
RAR Reports for Settlement Week 38 2018 Revision Required Settlement Initial Week 38 2018 04/10/2018 20:13 04/10/2018 21:58 Closed
Initial Settlement for 27/09/2018 will be delayed Settlement Initial 27/09/2018 04/10/2018 11:21 04/10/2018 13:04 Closed
Credit Report Delayed for Operational Date 01/10/2018 CRM NA 01/10/2018 01/10/2018 14:18 01/10/2018 16:15 Closed
Within-Day Trading Day 30/09/2018 Run Cancellation Pricing Within Day 30/09/2018 30/09/2018 07:46 30/09/2018 07:48 Closed
MIP used for Ex-Post Indicative Market Schedule for Trading Day 28/09/2018 Pricing Ex-Post Indicative 28/09/2018 29/09/2018 14:19 29/09/2018 14:22 Closed
Possible Revision required for EWIC MIUNs for Trading Day 30/09/2018 Pricing Ex-Ante 30/09/2018 29/09/2018 10:51 29/09/2018 11:06 Closed
Pricing and Scheduling for Trade Date 30/09/2018 Pricing NA 30/09/2018 28/09/2018 11:57 28/09/2018 12:07 Closed
New SEMO Website is Live Customer Service NA 27/09/2018 27/09/2018 11:59 27/09/2018 12:37 Closed
Initial Settlement for 19/09/2018 will be delayed Settlement Initial 19/09/2018 26/09/2018 11:10 26/09/2018 17:11 Closed
MIP used for EA2 Market Schedule for Trading Day 27/09/2018 Pricing Ex-Ante 2 27/09/2018 26/09/2018 12:09 26/09/2018 12:09 Closed
MIP used for Ex-Post Indicative Market Schedule for Trading Day 24/09/2018 Pricing Ex-Post Indicative 24/09/2018 25/09/2018 14:34 25/09/2018 14:38 Closed
MIP used for Ex-Post Indicative Market Schedule for Trading Day 23/09/2018 Pricing Ex-Post Indicative 23/09/2018 24/09/2018 15:09 24/09/2018 15:09 Closed
Indicative Settlement for 19/09/2018 & 20/09/2018 will be delayed Settlement Indicative 19/09/2018 & 20/09/2018 20/09/2018 16:32 24/09/2018 12:14 Closed
MIP used for Ex-Post Initial (EP2) Market Schedule for Trading Day 18/09/2018 Pricing Ex-Post Initial 18/09/2018 22/09/2018 14:16 22/09/2018 14:55 Closed
MIP used for Ex-Post Initial (EP2) Market Schedule for Trading Day 17/09/2018 Pricing Ex-Post Initial 17/09/2018 21/09/2018 15:48 21/09/2018 15:48 Closed
Ex Post Indicative (EP1) Market Schedule delayed for Trading Day 19/09/2018 Pricing Ex-Post Indicative 19/09/2018 20/09/2018 15:24 21/09/2018 09:12 Closed
Possible Revision required for EWIC MIUNs for Trading Day 20/09/2018 Pricing Ex-Ante 2 20/09/2018 19/09/2018 13:02 19/09/2018 13:23 Closed
MIP used for Ex-Post Indicative Market Schedule for Trading Day 15/09/2018 Pricing Ex-Post Indicative 15/09/2018 16/09/2018 14:39 16/09/2018 14:44 Closed
MIP used for Within Day Market Schedule for Trading Day 15/09/2018 Pricing Within Day 15/09/2018 15/09/2018 08:40 15/09/2018 08:43 Closed
MIP used for EA2 Market Schedule for Trading Day 15/09/2018 Pricing Ex-Ante 2 15/09/2018 14/09/2018 11:50 14/09/2018 12:03 Closed
MIP used for Ex-Post Indicative (EP1) Market Schedule for Trading Day 11/09/2018 Pricing Ex-Post Indicative 11/09/2018 12/09/2018 14:50 12/09/2018 14:50 Closed
MIP used for Ex-Ante 2 (EA2) Market Schedule for Trading Day 12/09/2018 Pricing Ex-Ante 2 12/09/2018 11/09/2018 12:10 11/09/2018 12:10 Closed
MIP used for Ex-Post Indicative (EP1) Market Schedule for Trading Day 09/09/2018 Pricing Ex-Post Indicative 09/09/2018 10/09/2018 16:07 10/09/2018 16:07 Closed
Possible Revision required for EWIC MIUNs for Trading Day 09/09/2018 Pricing Within Day 09/09/2018 09/09/2018 08:52 09/09/2018 11:13 Closed
MIP used for EA2 Market Schedule for Trading Day 04/09/2018 Pricing Ex-Ante 2 04/09/2018 03/09/2018 12:11 03/09/2018 12:11 Closed
MIP used for EA1 Market Schedule for Trading Day 24/08/2018 Pricing Ex-Ante 24/08/2018 23/08/2018 10:19 23/08/2018 10:38 Closed
Delay to the publication of WD1 MIUNs for Trading Day 23/08/2018 Pricing Within Day 23/08/2018 23/08/2018 09:20 23/08/2018 09:38 Closed
Revised Moyle Available Transfer Capacity (ATC) for Trading Day 09/08/2018 Pricing Within Day 09/08/2018 09/08/2018 16:39 10/08/2018 07:21 Closed
Indicative Settlement for 08/08/2018 will be delayed Settlement Ex-Post Indicative 08/08/2018 09/08/2018 16:55 09/08/2018 17:31 Closed
Revision required for MIUNs for Trading Day 09/08/2018 Pricing Within Day 09/08/2018 09/08/2018 11:53 09/08/2018 14:47 Closed
CMS Outage - Wednesday 08th August 2018 IT NA 08/08/2018 02/08/2018 16:44 07/08/2018 16:19 Closed
Initial Settlement for 31/07/2018 will be delayed Settlement Initial 31/07/2018 07/08/2018 11:31 07/08/2018 14:23 Closed
Notification of Upcoming Ad hoc Energy and VMOC Resettlement Week 25 2018 Settlement Ad hoc Week 25 2018 02/08/2018 09:20 02/08/2018 10:03 Closed
Indicative Settlement for 29/07/2018 will be delayed Settlement Indicative 29/07/2018 30/07/2018 15:58 30/07/2018 17:55 Closed
Ex-Post Indicative Market Schedule delayed for Trading Day 29/07/2018 Pricing Ex-Post Indicative 29/07/2018 30/07/2018 15:56 30/07/2018 16:43 Closed
Ad Hoc Repricing for Trading Date 27/06/2018 Pricing Ad hoc 27/06/2018 25/07/2018 13:19 25/07/2018 14:27 Closed

SEMO is a joint venture between EirGrid PLC and SONI Limited