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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.

 

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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
  • 500+
    Registered market participants
  • 26k+
    Auctions held annually
  • 100%
    Auction tool availability
  • 80+
    Employees
  • 50
    TSOs serviced

Latest market messages

RESOLVED - Temporary Unavailability of the Auction Data Page

by JAO

We would like to inform you that the issue affecting the Auction Data Page has now been resolved and the page is available again.

Thank you for your patience while we worked on restoring the service.

Should you experience any further issues, please do not hesitate to contact us.

Temporary Unavailability of the Auction Data Page

by JAO

Please note that the Auction Data Page is currently unavailable on our website.

We are working to resolve this issue and will keep you informed as soon as it has been fixed.

In the meantime, we kindly ask you to consult the Auction Tool for the offered capacity and auction results.

Thank you for your understanding.

Capacity Curtailment on the ES-FR border for delivery period 24-06-2026

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:

24-06-2026 12:00 - 13:00 1320 MW

24-06-2026 13:00 - 14:00 1320 MW

24-06-2026 14:00 - 15:00 1320 MW

24-06-2026 15:00 - 16:00 1320 MW

24-06-2026 16:00 - 17:00 1320 MW

24-06-2026 17:00 - 18:00 1320 MW

24-06-2026 18:00 - 19:00 1320 MW

5. Amount of LTTR remaining after curtailment:

24-06-2026 12:00 - 13:00 1243 MW

24-06-2026 13:00 - 14:00 1243 MW

24-06-2026 14:00 - 15:00 1243 MW

24-06-2026 15:00 - 16:00 1243 MW

24-06-2026 16:00 - 17:00 1243 MW

24-06-2026 17:00 - 18:00 1243 MW

24-06-2026 18:00 - 19:00 1243 MW

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

   24/06/2026

      12:00-13:00 MARMAGNE-TABARDERIE 2

      13:00-14:00 MARMAGNE-TABARDERIE 2

      14:00-15:00 MARMAGNE-TABARDERIE 2

      15:00-16:00 MARMAGNE-TABARDERIE 2

      16:00-17:00 MARMAGNE-TABARDERIE 2

      17:00-18:00 MARMAGNE-TABARDERIE 2

      18:00-19:00 MARMAGNE-TABARDERIE 2

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

Cancellation of capacity curtailment on IF1-GB-FR border for delivery date 27-06-2026

by JAO

This curtailment has been cancelled. Please see below the details:

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:

27-06-2026 00:00 - 01:00 1690 MW

27-06-2026 01:00 - 02:00 1690 MW

27-06-2026 02:00 - 03:00 1690 MW

27-06-2026 03:00 - 04:00 1690 MW

27-06-2026 04:00 - 05:00 1690 MW

27-06-2026 05:00 - 06:00 1690 MW

27-06-2026 06:00 - 07:00 1690 MW

27-06-2026 07:00 - 08:00 1690 MW

27-06-2026 08:00 - 09:00 1690 MW

27-06-2026 09:00 - 10:00 1690 MW

27-06-2026 10:00 - 11:00 1690 MW

27-06-2026 11:00 - 12:00 1690 MW

27-06-2026 12:00 - 13:00 1690 MW

27-06-2026 13:00 - 14:00 1690 MW

27-06-2026 14:00 - 15:00 1690 MW

27-06-2026 15:00 - 16:00 1690 MW

27-06-2026 16:00 - 17:00 1690 MW

27-06-2026 17:00 - 18:00 1690 MW

27-06-2026 18:00 - 19:00 1690 MW

27-06-2026 19:00 - 20:00 1690 MW

27-06-2026 20:00 - 21:00 1690 MW

27-06-2026 21:00 - 22:00 1690 MW

27-06-2026 22:00 - 23:00 1690 MW

27-06-2026 23:00 - 24:00 1690 MW

Cancellation of capacity curtailment on IF1-FR-GB border for delivery date 27-06-2026

by JAO

This curtailment has been cancelled. Please see below the details:

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:

27-06-2026 00:00 - 01:00 1700 MW

27-06-2026 01:00 - 02:00 1700 MW

27-06-2026 02:00 - 03:00 1700 MW

27-06-2026 03:00 - 04:00 1700 MW

27-06-2026 04:00 - 05:00 1700 MW

27-06-2026 05:00 - 06:00 1700 MW

27-06-2026 06:00 - 07:00 1700 MW

27-06-2026 07:00 - 08:00 1700 MW

27-06-2026 08:00 - 09:00 1700 MW

27-06-2026 09:00 - 10:00 1700 MW

27-06-2026 10:00 - 11:00 1700 MW

27-06-2026 11:00 - 12:00 1700 MW

27-06-2026 12:00 - 13:00 1700 MW

27-06-2026 13:00 - 14:00 1700 MW

27-06-2026 14:00 - 15:00 1700 MW

27-06-2026 15:00 - 16:00 1700 MW

27-06-2026 16:00 - 17:00 1700 MW

27-06-2026 17:00 - 18:00 1700 MW

27-06-2026 18:00 - 19:00 1700 MW

27-06-2026 19:00 - 20:00 1700 MW

27-06-2026 20:00 - 21:00 1700 MW

27-06-2026 21:00 - 22:00 1700 MW

27-06-2026 22:00 - 23:00 1700 MW

27-06-2026 23:00 - 24:00 1700 MW

Cancellation of capacity curtailment on IF1-GB-FR border for delivery date 26-06-2026

by JAO

This curtailment has been cancelled. Please see below the details:

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:

26-06-2026 00:00 - 01:00 1690 MW

26-06-2026 01:00 - 02:00 1690 MW

26-06-2026 02:00 - 03:00 1690 MW

26-06-2026 03:00 - 04:00 1690 MW

26-06-2026 04:00 - 05:00 1690 MW

26-06-2026 05:00 - 06:00 1690 MW

26-06-2026 06:00 - 07:00 1690 MW

26-06-2026 07:00 - 08:00 1690 MW

26-06-2026 08:00 - 09:00 1690 MW

26-06-2026 09:00 - 10:00 1690 MW

26-06-2026 10:00 - 11:00 1690 MW

26-06-2026 11:00 - 12:00 1690 MW

26-06-2026 12:00 - 13:00 1690 MW

26-06-2026 13:00 - 14:00 1690 MW

26-06-2026 14:00 - 15:00 1690 MW

26-06-2026 15:00 - 16:00 1690 MW

26-06-2026 16:00 - 17:00 1690 MW

26-06-2026 17:00 - 18:00 1690 MW

26-06-2026 18:00 - 19:00 1690 MW

26-06-2026 19:00 - 20:00 1690 MW

26-06-2026 20:00 - 21:00 1690 MW

26-06-2026 21:00 - 22:00 1690 MW

26-06-2026 22:00 - 23:00 1690 MW

26-06-2026 23:00 - 24:00 1690 MW

Cancellation of capacity curtailment on IF1-FR-GB border for delivery date 26-06-2026

by JAO

This curtailment has been cancelled. Please see below the details:

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:

26-06-2026 00:00 - 01:00 1700 MW

26-06-2026 01:00 - 02:00 1700 MW

26-06-2026 02:00 - 03:00 1700 MW

26-06-2026 03:00 - 04:00 1700 MW

26-06-2026 04:00 - 05:00 1700 MW

26-06-2026 05:00 - 06:00 1700 MW

26-06-2026 06:00 - 07:00 1700 MW

26-06-2026 07:00 - 08:00 1700 MW

26-06-2026 08:00 - 09:00 1700 MW

26-06-2026 09:00 - 10:00 1700 MW

26-06-2026 10:00 - 11:00 1700 MW

26-06-2026 11:00 - 12:00 1700 MW

26-06-2026 12:00 - 13:00 1700 MW

26-06-2026 13:00 - 14:00 1700 MW

26-06-2026 14:00 - 15:00 1700 MW

26-06-2026 15:00 - 16:00 1700 MW

26-06-2026 16:00 - 17:00 1700 MW

26-06-2026 17:00 - 18:00 1700 MW

26-06-2026 18:00 - 19:00 1700 MW

26-06-2026 19:00 - 20:00 1700 MW

26-06-2026 20:00 - 21:00 1700 MW

26-06-2026 21:00 - 22:00 1700 MW

26-06-2026 22:00 - 23:00 1700 MW

26-06-2026 23:00 - 24:00 1700 MW

Our certifications

JAO has successfully implemented internationally recognized management systems and is now officially certified for ISO/IEC 27001:2022 – the global standard for Information Security Management Systems and for ISO 9001 – the international standard for Quality Management Systems. 

ISO
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.

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Frequently asked questions

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

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