See Our

Annual Report

Read here

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

Through our single trading platform we auction cross-border transmission capacity rights. We also provide accounting (clearing and settlement), contracting, reporting, project support and IT services.

 

Go down

Auctions

On behalf of TSOs, we organize long and short-term auctions of transmission capacity rights.

We offer the following products: yearly, seasonal, quarterly, monthly, weekly, daily and intraday.

Auction results Auction calendar
OPS
  • 470+
    Registered Market Participants
  • 20k+
    Auctions per year
  • 100 %
    Auction Tool Availability
  • 95
    Employees
  • 50
    TSOs serviced

Latest market messages

Capacity Curtailment on the AT-IT border for delivery period 08-11-2024

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

AT-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

08-11-2024 00:00 - 01:00 450 MW

08-11-2024 01:00 - 02:00 450 MW

08-11-2024 02:00 - 03:00 450 MW

08-11-2024 03:00 - 04:00 450 MW

08-11-2024 04:00 - 05:00 450 MW

08-11-2024 05:00 - 06:00 450 MW

08-11-2024 06:00 - 07:00 450 MW

08-11-2024 07:00 - 08:00 450 MW

08-11-2024 08:00 - 09:00 450 MW

08-11-2024 09:00 - 10:00 450 MW

08-11-2024 10:00 - 11:00 450 MW

08-11-2024 11:00 - 12:00 450 MW

08-11-2024 12:00 - 13:00 450 MW

08-11-2024 13:00 - 14:00 450 MW

08-11-2024 14:00 - 15:00 450 MW

08-11-2024 15:00 - 16:00 450 MW

08-11-2024 16:00 - 17:00 450 MW

08-11-2024 17:00 - 18:00 450 MW

08-11-2024 18:00 - 19:00 450 MW

08-11-2024 19:00 - 20:00 450 MW

08-11-2024 20:00 - 21:00 450 MW

08-11-2024 21:00 - 22:00 450 MW

08-11-2024 22:00 - 23:00 450 MW

08-11-2024 23:00 - 24:00 450 MW

5. Amount of LTTR remaining after curtailment:

08-11-2024 00:00 - 01:00 351 MW

08-11-2024 01:00 - 02:00 351 MW

08-11-2024 02:00 - 03:00 351 MW

08-11-2024 03:00 - 04:00 351 MW

08-11-2024 04:00 - 05:00 351 MW

08-11-2024 05:00 - 06:00 351 MW

08-11-2024 06:00 - 07:00 351 MW

08-11-2024 07:00 - 08:00 363 MW

08-11-2024 08:00 - 09:00 363 MW

08-11-2024 09:00 - 10:00 363 MW

08-11-2024 10:00 - 11:00 363 MW

08-11-2024 11:00 - 12:00 363 MW

08-11-2024 12:00 - 13:00 363 MW

08-11-2024 13:00 - 14:00 363 MW

08-11-2024 14:00 - 15:00 363 MW

08-11-2024 15:00 - 16:00 363 MW

08-11-2024 16:00 - 17:00 363 MW

08-11-2024 17:00 - 18:00 363 MW

08-11-2024 18:00 - 19:00 363 MW

08-11-2024 19:00 - 20:00 363 MW

08-11-2024 20:00 - 21:00 363 MW

08-11-2024 21:00 - 22:00 363 MW

08-11-2024 22:00 - 23:00 363 MW

08-11-2024 23:00 - 24:00 351 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)*?

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

REMINDER: Invitation to the Border Test Session: Romania - Republic of Serbia

by JAO

Dear Market Participants,

This is a kind reminder in case you are interested in joining our upcoming test session for the new border between Romania and the Republic of Serbia, scheduled for November 12th, 2024.

This event presents an excellent opportunity for you to engage in dummy auctions, thoroughly test your bid files, API calls, and seamlessly integrate eCAT’s output files into your applications.

The target Go-Live date for the Project is 5th of December for the Yearly 2025 auctions and
17-19th of December for the monthly auctions.

The scope of this test session encompasses:

Long-term auctions: Yearly 2025, Monthly January 2025.

In case you haven't already registered you can send us the following information to helpdesk@jao.eu (please refrain from using the JIRA ticketing platform for test-related communication):

Company name

EIC code

Username (if you are already registered in eCAT) or your name

Email address

The registration for this test will conclude on November 8th, 2024. Further details concerning the exact date, timing, and the specific scenarios to be tested will be communicated in a subsequent notice.

Should you have any questions or wish to share feedback, please do not hesitate to reach out to us. Your insights and participation are highly valued as we work together to enhance this process.

Best regards,

JAO Operations Team

eCAT Downtime on 07/11/2024

by JAO

Dear Market Participants,  

Please be advised that an intervention is scheduled for the November 7th, 2024, Thursday, starting at 14:00.

During this time, eCAT access may be intermittently unavailable between 14:00 and 15:00.

We appreciate your understanding as we work to enhance our services.

Kind regards,

Operations Team

JAO S.A.

2 rue de Bitbourg

L-1273 Luxembourg-Hamm

T.+352 27 62 38 38

Visit us atwww.jao.eu

Follow us on LinkedIn


Servicing TSOs and facilitating electricity markets since 2008

Capacity Curtailment on the ES-FR border for delivery period 07-11-2024

by JAO

1. TSO(s)*:

RTE, REE

2. Identification of affected Long Term Transmission Rights:

ES-FR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

07-11-2024 11:00 - 12:00 690 MW

07-11-2024 12:00 - 13:00 690 MW

07-11-2024 13:00 - 14:00 690 MW

07-11-2024 14:00 - 15:00 690 MW

07-11-2024 15:00 - 16:00 690 MW

07-11-2024 16:00 - 17:00 690 MW

07-11-2024 17:00 - 18:00 690 MW

5. Amount of LTTR remaining after curtailment:

07-11-2024 11:00 - 12:00 591 MW

07-11-2024 12:00 - 13:00 591 MW

07-11-2024 13:00 - 14:00 591 MW

07-11-2024 14:00 - 15:00 591 MW

07-11-2024 15:00 - 16:00 591 MW

07-11-2024 16:00 - 17:00 591 MW

07-11-2024 17:00 - 18:00 591 MW

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

07/11/2024

      11:00-12:00 Network Security

      12:00-13:00 Network Security

      13:00-14:00 Network Security

      14:00-15:00 Network Security

      15:00-16:00 Network Security

      16:00-17:00 Network Security

      17:00-18:00 Network Security

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

The available remedial actions were assessed as insufficient or ineffective to avoid the violation of operational security limits

UPDATE: Capacity Curtailment on the AT-IT border for delivery period 07-11-2024

by JAO

1. TSO(s)*:

APG, TERNA

2. Identification of affected Long Term Transmission Rights:

AT-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

07-11-2024 00:00 - 01:00 450 MW

07-11-2024 01:00 - 02:00 450 MW

07-11-2024 02:00 - 03:00 450 MW

07-11-2024 03:00 - 04:00 450 MW

07-11-2024 04:00 - 05:00 450 MW

07-11-2024 05:00 - 06:00 450 MW

07-11-2024 06:00 - 07:00 450 MW

07-11-2024 07:00 - 08:00 450 MW

07-11-2024 08:00 - 09:00 450 MW

07-11-2024 09:00 - 10:00 450 MW

07-11-2024 10:00 - 11:00 450 MW

07-11-2024 11:00 - 12:00 450 MW

07-11-2024 12:00 - 13:00 450 MW

07-11-2024 13:00 - 14:00 450 MW

07-11-2024 14:00 - 15:00 450 MW

07-11-2024 15:00 - 16:00 450 MW

07-11-2024 16:00 - 17:00 450 MW

07-11-2024 17:00 - 18:00 450 MW

07-11-2024 18:00 - 19:00 450 MW

07-11-2024 19:00 - 20:00 450 MW

07-11-2024 20:00 - 21:00 450 MW

07-11-2024 21:00 - 22:00 450 MW

07-11-2024 22:00 - 23:00 450 MW

07-11-2024 23:00 - 24:00 450 MW

5. Amount of LTTR remaining after curtailment:

07-11-2024 00:00 - 01:00 351 MW

07-11-2024 01:00 - 02:00 351 MW

07-11-2024 02:00 - 03:00 351 MW

07-11-2024 03:00 - 04:00 351 MW

07-11-2024 04:00 - 05:00 351 MW

07-11-2024 05:00 - 06:00 351 MW

07-11-2024 06:00 - 07:00 351 MW

07-11-2024 07:00 - 08:00 166 MW

07-11-2024 08:00 - 09:00 165 MW

07-11-2024 09:00 - 10:00 287 MW

07-11-2024 10:00 - 11:00 287 MW

07-11-2024 11:00 - 12:00 287 MW

07-11-2024 12:00 - 13:00 298 MW

07-11-2024 13:00 - 14:00 298 MW

07-11-2024 14:00 - 15:00 298 MW

07-11-2024 15:00 - 16:00 146 MW

07-11-2024 16:00 - 17:00 146 MW

07-11-2024 17:00 - 18:00 146 MW

07-11-2024 18:00 - 19:00 168 MW

07-11-2024 19:00 - 20:00 168 MW

07-11-2024 20:00 - 21:00 168 MW

07-11-2024 21:00 - 22:00 363 MW

07-11-2024 22:00 - 23:00 363 MW

07-11-2024 23:00 - 24:00 351 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)*?

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

Capacity Curtailment on the SI-IT border for delivery period 07-11-2024

by JAO

1. TSO(s)*:

ELES, TERNA

2. Identification of affected Long Term Transmission Rights:

SI-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

07-11-2024 07:00 - 08:00 426 MW

07-11-2024 08:00 - 09:00 426 MW

07-11-2024 09:00 - 10:00 426 MW

07-11-2024 10:00 - 11:00 426 MW

07-11-2024 11:00 - 12:00 426 MW

07-11-2024 12:00 - 13:00 426 MW

07-11-2024 13:00 - 14:00 426 MW

07-11-2024 14:00 - 15:00 426 MW

07-11-2024 15:00 - 16:00 426 MW

07-11-2024 16:00 - 17:00 426 MW

07-11-2024 17:00 - 18:00 426 MW

07-11-2024 18:00 - 19:00 426 MW

07-11-2024 19:00 - 20:00 426 MW

07-11-2024 20:00 - 21:00 426 MW

5. Amount of LTTR remaining after curtailment:

07-11-2024 07:00 - 08:00 338 MW

07-11-2024 08:00 - 09:00 328 MW

07-11-2024 09:00 - 10:00 268 MW

07-11-2024 10:00 - 11:00 268 MW

07-11-2024 11:00 - 12:00 268 MW

07-11-2024 12:00 - 13:00 268 MW

07-11-2024 13:00 - 14:00 268 MW

07-11-2024 14:00 - 15:00 268 MW

07-11-2024 15:00 - 16:00 305 MW

07-11-2024 16:00 - 17:00 305 MW

07-11-2024 17:00 - 18:00 305 MW

07-11-2024 18:00 - 19:00 339 MW

07-11-2024 19:00 - 20:00 339 MW

07-11-2024 20:00 - 21:00 339 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)*?

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

Credit limit check disabled for NLL-BE<>GB-I-ID0006-241106-01

by JAO

Dear Market Participants,

Please be aware that the Credit Limit check is temporarily disabled for the NLL-BEGB-I-ID0006-241106-01 auction.

Thank you for your understanding.

Best regards,

JAO Operations

IT

About us

We started as a shared auction platform for transmission capacity across Central Western Europe in 2008. Over time, we became the operator of the Single Allocation Platform and therefore the leading trading platform for European Transmission System Operators.

Get to know us
Image
JAO workers

Frequently asked questions

Check out the common questions and our answers on how to use the auction platform.

Do you need support?

If you can't find an answer to your question, our team is here to help!