Leading service provider for Transmission System Operators (TSOs) in the European electricity market.

1. TSO(s)*:

RNP

2. Identification of affected Long Term Transmission Rights:

IF1-GB-FR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

03-06-2026 00:00 - 01:00 1690 MW

03-06-2026 01:00 - 02:00 1690 MW

03-06-2026 02:00 - 03:00 1690 MW

03-06-2026 03:00 - 04:00 1690 MW

03-06-2026 04:00 - 05:00 1690 MW

03-06-2026 05:00 - 06:00 1690 MW

03-06-2026 06:00 - 07:00 1690 MW

03-06-2026 07:00 - 08:00 1690 MW

03-06-2026 08:00 - 09:00 1690 MW

03-06-2026 09:00 - 10:00 1690 MW

03-06-2026 10:00 - 11:00 1690 MW

03-06-2026 11:00 - 12:00 1690 MW

03-06-2026 12:00 - 13:00 1690 MW

03-06-2026 13:00 - 14:00 1690 MW

03-06-2026 14:00 - 15:00 1690 MW

03-06-2026 15:00 - 16:00 1690 MW

03-06-2026 16:00 - 17:00 1690 MW

03-06-2026 17:00 - 18:00 1690 MW

03-06-2026 18:00 - 19:00 1690 MW

03-06-2026 19:00 - 20:00 1690 MW

03-06-2026 20:00 - 21:00 1690 MW

03-06-2026 21:00 - 22:00 1690 MW

03-06-2026 22:00 - 23:00 1690 MW

03-06-2026 23:00 - 24:00 1690 MW

5. Amount of LTTR remaining after curtailment:

03-06-2026 00:00 - 01:00 1434 MW

03-06-2026 01:00 - 02:00 1434 MW

03-06-2026 02:00 - 03:00 1434 MW

03-06-2026 03:00 - 04:00 1434 MW

03-06-2026 04:00 - 05:00 1434 MW

03-06-2026 05:00 - 06:00 1434 MW

03-06-2026 06:00 - 07:00 1434 MW

03-06-2026 07:00 - 08:00 1434 MW

03-06-2026 08:00 - 09:00 1434 MW

03-06-2026 09:00 - 10:00 1434 MW

03-06-2026 10:00 - 11:00 1434 MW

03-06-2026 11:00 - 12:00 1434 MW

03-06-2026 12:00 - 13:00 1434 MW

03-06-2026 13:00 - 14:00 1434 MW

03-06-2026 14:00 - 15:00 1434 MW

03-06-2026 15:00 - 16:00 1434 MW

03-06-2026 16:00 - 17:00 1434 MW

03-06-2026 17:00 - 18:00 1434 MW

03-06-2026 18:00 - 19:00 1434 MW

03-06-2026 19:00 - 20:00 1434 MW

03-06-2026 20:00 - 21:00 1434 MW

03-06-2026 21:00 - 22:00 1434 MW

03-06-2026 22:00 - 23:00 1434 MW

03-06-2026 23:00 - 24:00 1434 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Thermal Limits

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

Capacity limitation due to unplanned maintenance

1. TSO(s)*:

RNP

2. Identification of affected Long Term Transmission Rights:

IF1-FR-GB

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

03-06-2026 00:00 - 01:00 1700 MW

03-06-2026 01:00 - 02:00 1700 MW

03-06-2026 02:00 - 03:00 1700 MW

03-06-2026 03:00 - 04:00 1700 MW

03-06-2026 04:00 - 05:00 1700 MW

03-06-2026 05:00 - 06:00 1700 MW

03-06-2026 06:00 - 07:00 1700 MW

03-06-2026 07:00 - 08:00 1700 MW

03-06-2026 08:00 - 09:00 1700 MW

03-06-2026 09:00 - 10:00 1700 MW

03-06-2026 10:00 - 11:00 1700 MW

03-06-2026 11:00 - 12:00 1700 MW

03-06-2026 12:00 - 13:00 1700 MW

03-06-2026 13:00 - 14:00 1700 MW

03-06-2026 14:00 - 15:00 1700 MW

03-06-2026 15:00 - 16:00 1700 MW

03-06-2026 16:00 - 17:00 1700 MW

03-06-2026 17:00 - 18:00 1700 MW

03-06-2026 18:00 - 19:00 1700 MW

03-06-2026 19:00 - 20:00 1700 MW

03-06-2026 20:00 - 21:00 1700 MW

03-06-2026 21:00 - 22:00 1700 MW

03-06-2026 22:00 - 23:00 1700 MW

03-06-2026 23:00 - 24:00 1700 MW

5. Amount of LTTR remaining after curtailment:

03-06-2026 00:00 - 01:00 1452 MW

03-06-2026 01:00 - 02:00 1452 MW

03-06-2026 02:00 - 03:00 1452 MW

03-06-2026 03:00 - 04:00 1452 MW

03-06-2026 04:00 - 05:00 1452 MW

03-06-2026 05:00 - 06:00 1452 MW

03-06-2026 06:00 - 07:00 1452 MW

03-06-2026 07:00 - 08:00 1452 MW

03-06-2026 08:00 - 09:00 1452 MW

03-06-2026 09:00 - 10:00 1452 MW

03-06-2026 10:00 - 11:00 1452 MW

03-06-2026 11:00 - 12:00 1452 MW

03-06-2026 12:00 - 13:00 1452 MW

03-06-2026 13:00 - 14:00 1452 MW

03-06-2026 14:00 - 15:00 1452 MW

03-06-2026 15:00 - 16:00 1452 MW

03-06-2026 16:00 - 17:00 1452 MW

03-06-2026 17:00 - 18:00 1452 MW

03-06-2026 18:00 - 19:00 1452 MW

03-06-2026 19:00 - 20:00 1452 MW

03-06-2026 20:00 - 21:00 1452 MW

03-06-2026 21:00 - 22:00 1452 MW

03-06-2026 22:00 - 23:00 1452 MW

03-06-2026 23:00 - 24:00 1452 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Thermal Limits

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

Capacity limitation due to unplanned maintenance

1. TSO(s)*:

CGES

2. Identification of affected Long Term Transmission Rights:

ME-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

22-05-2026 09:00 - 10:00 400 MW

22-05-2026 10:00 - 11:00 400 MW

22-05-2026 11:00 - 12:00 400 MW

22-05-2026 12:00 - 13:00 400 MW

22-05-2026 13:00 - 14:00 400 MW

22-05-2026 14:00 - 15:00 400 MW

22-05-2026 15:00 - 16:00 400 MW

5. Amount of LTTR remaining after curtailment:

22-05-2026 09:00 - 10:00 0 MW

22-05-2026 10:00 - 11:00 0 MW

22-05-2026 11:00 - 12:00 0 MW

22-05-2026 12:00 - 13:00 0 MW

22-05-2026 13:00 - 14:00 0 MW

22-05-2026 14:00 - 15:00 0 MW

22-05-2026 15:00 - 16:00 0 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

HVDC Monita

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s) *? 

During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC

1. TSO(s)*:

TenneT_NL

2. Identification of affected Long Term Transmission Rights:

DK-NL

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

22-05-2026 08:00 - 09:00 199 MW

22-05-2026 09:00 - 10:00 199 MW

22-05-2026 10:00 - 11:00 199 MW

22-05-2026 11:00 - 12:00 199 MW

22-05-2026 12:00 - 13:00 199 MW

22-05-2026 13:00 - 14:00 199 MW

22-05-2026 14:00 - 15:00 199 MW

22-05-2026 15:00 - 16:00 199 MW

22-05-2026 16:00 - 17:00 199 MW

22-05-2026 17:00 - 18:00 199 MW

5. Amount of LTTR remaining after curtailment:

22-05-2026 08:00 - 09:00 0 MW

22-05-2026 09:00 - 10:00 0 MW

22-05-2026 10:00 - 11:00 0 MW

22-05-2026 11:00 - 12:00 0 MW

22-05-2026 12:00 - 13:00 0 MW

22-05-2026 13:00 - 14:00 0 MW

22-05-2026 14:00 - 15:00 0 MW

22-05-2026 15:00 - 16:00 0 MW

22-05-2026 16:00 - 17:00 0 MW

22-05-2026 17:00 - 18:00 0 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Expected violation of operational security limits of physical transmission assets.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

The remedial actions considered were assessed as not sufficient or ineffective to avoid the expected violation of operational security limit(s).

Please be advised that 25-05-2026 is a banking holiday in Luxembourg for Whit Monday http://www.jao.eu/resource-center/public-holidays

This holiday applies solely to the banking sector, and JAO Operations will remain available. 

Please note that any credit limit update resulting from transactions on your ING business account will not be reflected until 26-05-2026.

Additionally, transactions initiated after ING Luxembourg's cutoff time on 22-05-2026, will have a value date of 27-05-2026.

We kindly recommend that you adjust your financial schedule accordingly to accommodate these changes.

We are pleased to announce that the members’ testing for SDAC Market Coupling will take place on 03 June 2026. It provides an opportunity to fine-tune processes, validate key scenarios, and ensure everything is in place.

During the testing, TSO cross-border nomination processes and JAO shadow auctions will be active and available only during the day of execution, with the following scenario:

Delivery 04/06/2026 Full decoupling with shadow auction (including Nominations)

To register, please provide us with the following details:

Company Name

EIC Code

Full Name of Participant(s)

Email Address of Participant(s)

eCAT Username (if already registered)

Please note:

Registration is limited to members already participating in the shadow auction allocation in the production environment.

Interconnector entitlements will be copied from the production environment to facilitate nomination of shadow auction capacity towards the TSOs.

Deadline for registration: 26/05/2026. A reminder will be sent shortly before the end of the registration window.

Please find the information package attached.

Should you have any questions, do not hesitate to reach out to us at helpdesk@jao.eu

We are pleased to invite you to register for our upcoming open test session, scheduled to take place from June 17th to June 19th, 2026.

This event offers an excellent opportunity to:

• Test the transition of Short Term auctions on Swiss borders to 15 min MTU and block bids as per communicated here http://www.jao.eu/news/st-auctions-swiss-borders-15-min-mtu
• Participate in dummy auctions
• Thoroughly test your bid files
• Seamlessly integrate eCAT’s output files into your internal systems

To register, please reply to this email with the following information:

• Company name (registered companies only)
• EIC code
• Username (if already registered in eCAT) or your full name
• Email address

Please note that registration will close on June 10th, 2026.

Further details regarding timing, access, and specific testing scenarios will be provided in a follow-up communication.

We also sent out a survey this morning where you can give us an input on what you would like to test specifically. Please find the survey here https://emea.dcv.ms/HxA5ZanFFZ

If you have any questions or would like to share feedback, please don’t hesitate to reach out. Your participation and insights are highly appreciated.

Best regards,

JAO Operations Team