Annual Report Cover
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.

 

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

Go to Message Board
Go to Message board

Publication of IDCC (b) data for Business Day 17/03/2025

by JAO

Dear Market Participants,

We would like to inform you that Validation Reduction data for the delivery date of 17/03/2025, for the Core ID CCR IDCC (b) will be published with a delay.

Thank you for your understanding.

Best regards,

JAO Operations Team

Capacity Curtailment on the FR-CH border for delivery period 18-03-2025

by JAO

1. TSO(s)*:

RTE, SWISSGRID

2. Identification of affected Long Term Transmission Rights:

FR-CH

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

18-03-2025 00:00 - 01:00 369 MW

18-03-2025 01:00 - 02:00 369 MW

18-03-2025 02:00 - 03:00 369 MW

18-03-2025 03:00 - 04:00 369 MW

18-03-2025 04:00 - 05:00 369 MW

18-03-2025 05:00 - 06:00 369 MW

18-03-2025 06:00 - 07:00 369 MW

18-03-2025 07:00 - 08:00 369 MW

18-03-2025 08:00 - 09:00 369 MW

18-03-2025 09:00 - 10:00 369 MW

18-03-2025 10:00 - 11:00 369 MW

18-03-2025 11:00 - 12:00 369 MW

18-03-2025 12:00 - 13:00 369 MW

18-03-2025 13:00 - 14:00 369 MW

18-03-2025 14:00 - 15:00 369 MW

18-03-2025 15:00 - 16:00 369 MW

18-03-2025 16:00 - 17:00 369 MW

18-03-2025 17:00 - 18:00 369 MW

18-03-2025 18:00 - 19:00 369 MW

18-03-2025 19:00 - 20:00 369 MW

18-03-2025 20:00 - 21:00 369 MW

18-03-2025 21:00 - 22:00 369 MW

18-03-2025 22:00 - 23:00 369 MW

18-03-2025 23:00 - 24:00 369 MW

5. Amount of LTTR remaining after curtailment:

18-03-2025 00:00 - 01:00 0 MW

18-03-2025 01:00 - 02:00 0 MW

18-03-2025 02:00 - 03:00 0 MW

18-03-2025 03:00 - 04:00 0 MW

18-03-2025 04:00 - 05:00 0 MW

18-03-2025 05:00 - 06:00 0 MW

18-03-2025 06:00 - 07:00 0 MW

18-03-2025 07:00 - 08:00 0 MW

18-03-2025 08:00 - 09:00 0 MW

18-03-2025 09:00 - 10:00 0 MW

18-03-2025 10:00 - 11:00 0 MW

18-03-2025 11:00 - 12:00 0 MW

18-03-2025 12:00 - 13:00 0 MW

18-03-2025 13:00 - 14:00 0 MW

18-03-2025 14:00 - 15:00 0 MW

18-03-2025 15:00 - 16:00 0 MW

18-03-2025 16:00 - 17:00 0 MW

18-03-2025 17:00 - 18:00 0 MW

18-03-2025 18:00 - 19:00 0 MW

18-03-2025 19:00 - 20:00 0 MW

18-03-2025 20:00 - 21:00 0 MW

18-03-2025 21:00 - 22:00 0 MW

18-03-2025 22:00 - 23:00 0 MW

18-03-2025 23:00 - 24:00 0 MW

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

   18/03/2025

      00:00-01:00 Network Security

      01:00-02:00 Network Security

      02:00-03:00 Network Security

      03:00-04:00 Network Security

      04:00-05:00 Network Security

      05:00-06:00 Network Security

      06:00-07:00 Network Security

      07:00-08:00 Network Security

      08:00-09:00 Network Security

      09:00-10:00 Network Security

      10:00-11:00 Network Security

      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

      18:00-19:00 Network Security

      19:00-20:00 Network Security

      20:00-21:00 Network Security

      21:00-22:00 Network Security

      22:00-23:00 Network Security

      23:00-24:00 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

Capacity Curtailment on the EE-LV border for delivery period 17-03-2025

by JAO

1. TSO(s)*:

ELERING

2. Identification of affected Long Term Transmission Rights:

EE-LV

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

17-03-2025 00:00 - 01:00 550 MW

17-03-2025 01:00 - 02:00 550 MW

17-03-2025 02:00 - 03:00 550 MW

17-03-2025 03:00 - 04:00 550 MW

17-03-2025 04:00 - 05:00 550 MW

17-03-2025 05:00 - 06:00 550 MW

17-03-2025 06:00 - 07:00 550 MW

17-03-2025 07:00 - 08:00 550 MW

17-03-2025 08:00 - 09:00 550 MW

17-03-2025 09:00 - 10:00 550 MW

17-03-2025 10:00 - 11:00 550 MW

17-03-2025 11:00 - 12:00 550 MW

17-03-2025 12:00 - 13:00 550 MW

17-03-2025 13:00 - 14:00 550 MW

17-03-2025 14:00 - 15:00 550 MW

17-03-2025 15:00 - 16:00 550 MW

17-03-2025 16:00 - 17:00 550 MW

17-03-2025 17:00 - 18:00 550 MW

17-03-2025 18:00 - 19:00 550 MW

17-03-2025 19:00 - 20:00 550 MW

17-03-2025 20:00 - 21:00 550 MW

17-03-2025 21:00 - 22:00 550 MW

17-03-2025 22:00 - 23:00 550 MW

17-03-2025 23:00 - 24:00 550 MW

5. Amount of LTTR remaining after curtailment:

17-03-2025 00:00 - 01:00 507 MW

17-03-2025 01:00 - 02:00 507 MW

17-03-2025 02:00 - 03:00 507 MW

17-03-2025 03:00 - 04:00 506 MW

17-03-2025 04:00 - 05:00 511 MW

17-03-2025 05:00 - 06:00 517 MW

17-03-2025 06:00 - 07:00 500 MW

17-03-2025 07:00 - 08:00 323 MW

17-03-2025 08:00 - 09:00 304 MW

17-03-2025 09:00 - 10:00 304 MW

17-03-2025 10:00 - 11:00 306 MW

17-03-2025 11:00 - 12:00 308 MW

17-03-2025 12:00 - 13:00 308 MW

17-03-2025 13:00 - 14:00 306 MW

17-03-2025 14:00 - 15:00 306 MW

17-03-2025 15:00 - 16:00 306 MW

17-03-2025 16:00 - 17:00 323 MW

17-03-2025 17:00 - 18:00 323 MW

17-03-2025 18:00 - 19:00 323 MW

17-03-2025 19:00 - 20:00 323 MW

17-03-2025 20:00 - 21:00 323 MW

17-03-2025 21:00 - 22:00 323 MW

17-03-2025 22:00 - 23:00 304 MW

17-03-2025 23:00 - 24:00 304 MW

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

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

Capacity Curtailment on the IT-GR border for delivery period 17-03-2025

by JAO

1. TSO(s)*:

TERNA, ADMIE

2. Identification of affected Long Term Transmission Rights:

IT-GR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

17-03-2025 00:00 - 01:00 500 MW

17-03-2025 01:00 - 02:00 500 MW

17-03-2025 02:00 - 03:00 500 MW

17-03-2025 03:00 - 04:00 500 MW

17-03-2025 04:00 - 05:00 500 MW

17-03-2025 05:00 - 06:00 500 MW

17-03-2025 06:00 - 07:00 500 MW

17-03-2025 07:00 - 08:00 500 MW

17-03-2025 08:00 - 09:00 500 MW

17-03-2025 09:00 - 10:00 500 MW

17-03-2025 10:00 - 11:00 500 MW

17-03-2025 11:00 - 12:00 500 MW

17-03-2025 12:00 - 13:00 500 MW

17-03-2025 13:00 - 14:00 500 MW

17-03-2025 14:00 - 15:00 500 MW

17-03-2025 15:00 - 16:00 500 MW

17-03-2025 16:00 - 17:00 500 MW

17-03-2025 17:00 - 18:00 500 MW

17-03-2025 18:00 - 19:00 500 MW

17-03-2025 19:00 - 20:00 500 MW

17-03-2025 20:00 - 21:00 500 MW

17-03-2025 21:00 - 22:00 500 MW

17-03-2025 22:00 - 23:00 500 MW

17-03-2025 23:00 - 24:00 500 MW

5. Amount of LTTR remaining after curtailment:

17-03-2025 00:00 - 01:00 0 MW

17-03-2025 01:00 - 02:00 0 MW

17-03-2025 02:00 - 03:00 0 MW

17-03-2025 03:00 - 04:00 0 MW

17-03-2025 04:00 - 05:00 0 MW

17-03-2025 05:00 - 06:00 0 MW

17-03-2025 06:00 - 07:00 0 MW

17-03-2025 07:00 - 08:00 0 MW

17-03-2025 08:00 - 09:00 0 MW

17-03-2025 09:00 - 10:00 0 MW

17-03-2025 10:00 - 11:00 0 MW

17-03-2025 11:00 - 12:00 0 MW

17-03-2025 12:00 - 13:00 0 MW

17-03-2025 13:00 - 14:00 0 MW

17-03-2025 14:00 - 15:00 0 MW

17-03-2025 15:00 - 16:00 0 MW

17-03-2025 16:00 - 17:00 0 MW

17-03-2025 17:00 - 18:00 0 MW

17-03-2025 18:00 - 19:00 0 MW

17-03-2025 19:00 - 20:00 0 MW

17-03-2025 20:00 - 21:00 0 MW

17-03-2025 21:00 - 22:00 0 MW

17-03-2025 22:00 - 23:00 0 MW

17-03-2025 23:00 - 24:00 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)*?

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

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

Capacity Curtailment on the GR-IT border for delivery period 17-03-2025

by JAO

1. TSO(s)*:

TERNA, ADMIE

2. Identification of affected Long Term Transmission Rights:

GR-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

17-03-2025 00:00 - 01:00 500 MW

17-03-2025 01:00 - 02:00 500 MW

17-03-2025 02:00 - 03:00 500 MW

17-03-2025 03:00 - 04:00 500 MW

17-03-2025 04:00 - 05:00 500 MW

17-03-2025 05:00 - 06:00 500 MW

17-03-2025 06:00 - 07:00 500 MW

17-03-2025 07:00 - 08:00 500 MW

17-03-2025 08:00 - 09:00 500 MW

17-03-2025 09:00 - 10:00 500 MW

17-03-2025 10:00 - 11:00 500 MW

17-03-2025 11:00 - 12:00 500 MW

17-03-2025 12:00 - 13:00 500 MW

17-03-2025 13:00 - 14:00 500 MW

17-03-2025 14:00 - 15:00 500 MW

17-03-2025 15:00 - 16:00 500 MW

17-03-2025 16:00 - 17:00 500 MW

17-03-2025 17:00 - 18:00 500 MW

17-03-2025 18:00 - 19:00 500 MW

17-03-2025 19:00 - 20:00 500 MW

17-03-2025 20:00 - 21:00 500 MW

17-03-2025 21:00 - 22:00 500 MW

17-03-2025 22:00 - 23:00 500 MW

17-03-2025 23:00 - 24:00 500 MW

5. Amount of LTTR remaining after curtailment:

17-03-2025 00:00 - 01:00 0 MW

17-03-2025 01:00 - 02:00 0 MW

17-03-2025 02:00 - 03:00 0 MW

17-03-2025 03:00 - 04:00 0 MW

17-03-2025 04:00 - 05:00 0 MW

17-03-2025 05:00 - 06:00 0 MW

17-03-2025 06:00 - 07:00 0 MW

17-03-2025 07:00 - 08:00 0 MW

17-03-2025 08:00 - 09:00 0 MW

17-03-2025 09:00 - 10:00 0 MW

17-03-2025 10:00 - 11:00 0 MW

17-03-2025 11:00 - 12:00 0 MW

17-03-2025 12:00 - 13:00 0 MW

17-03-2025 13:00 - 14:00 0 MW

17-03-2025 14:00 - 15:00 0 MW

17-03-2025 15:00 - 16:00 0 MW

17-03-2025 16:00 - 17:00 0 MW

17-03-2025 17:00 - 18:00 0 MW

17-03-2025 18:00 - 19:00 0 MW

17-03-2025 19:00 - 20:00 0 MW

17-03-2025 20:00 - 21:00 0 MW

17-03-2025 21:00 - 22:00 0 MW

17-03-2025 22:00 - 23:00 0 MW

17-03-2025 23:00 - 24:00 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)*?

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

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

Publication of IDCC (b) data for Business Day 16/03/2025

by JAO

Dear Market Participants,

We would like to inform you that Validation Reduction data for the delivery date of 16/03/2025, for the Core ID CCR IDCC (b) will be published with a delay.

Thank you for your understanding.

Best regards,

JAO Operations Team

Publication of IDCC (a) data for Business Day 15/03/2025

by JAO

Dear Market Participants,

We would like to inform you that Validation Reduction data for the delivery date of 15/03/2025, for the Core ID CCR IDCC (a) will be published with a delay.

Thank you for your understanding.

Best regards,

JAO Operations Team

Resource Center

This section contains key information for market participants such as user guides, forms, auction rules, nomination deadlines and other documents.

Go to resources
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

Register your company

We created a user guide to support the onboarding of market participants. Learn more about the steps to register, the required documents and our service desk platform.

Go to registration
JAO workers

Frequently asked questions

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

Go to FAQ

Do you need support?

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

Go to service desk