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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.

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

Latest market messages

Publication of IDCC (b) data for Business Day 28/02/2025

by JAO

Dear Market Participants,

We would like to inform you that the validation reduction data for the delivery date of February 28th, 2025, for the Core ID CCR IDCC (b) will not be published as the data is not available on CCCT.

Thank you for your understanding.

Best regards,

Operations Team

Capacity Curtailment on the GR-IT border for delivery period 01-03-2025

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:

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

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

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

01-03-2025 03:00 - 04:00 500 MW

01-03-2025 04:00 - 05:00 500 MW

01-03-2025 05:00 - 06:00 500 MW

01-03-2025 06:00 - 07:00 500 MW

01-03-2025 07:00 - 08:00 500 MW

01-03-2025 08:00 - 09:00 500 MW

01-03-2025 09:00 - 10:00 500 MW

01-03-2025 10:00 - 11:00 500 MW

01-03-2025 11:00 - 12:00 500 MW

01-03-2025 12:00 - 13:00 500 MW

01-03-2025 13:00 - 14:00 500 MW

01-03-2025 14:00 - 15:00 500 MW

01-03-2025 15:00 - 16:00 500 MW

01-03-2025 16:00 - 17:00 500 MW

01-03-2025 17:00 - 18:00 500 MW

01-03-2025 18:00 - 19:00 500 MW

01-03-2025 19:00 - 20:00 500 MW

01-03-2025 20:00 - 21:00 500 MW

01-03-2025 21:00 - 22:00 500 MW

01-03-2025 22:00 - 23:00 500 MW

01-03-2025 23:00 - 24:00 500 MW

5. Amount of LTTR remaining after curtailment:

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

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

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

01-03-2025 03:00 - 04:00 0 MW

01-03-2025 04:00 - 05:00 0 MW

01-03-2025 05:00 - 06:00 0 MW

01-03-2025 06:00 - 07:00 0 MW

01-03-2025 07:00 - 08:00 0 MW

01-03-2025 08:00 - 09:00 0 MW

01-03-2025 09:00 - 10:00 0 MW

01-03-2025 10:00 - 11:00 0 MW

01-03-2025 11:00 - 12:00 0 MW

01-03-2025 12:00 - 13:00 0 MW

01-03-2025 13:00 - 14:00 0 MW

01-03-2025 14:00 - 15:00 0 MW

01-03-2025 15:00 - 16:00 0 MW

01-03-2025 16:00 - 17:00 0 MW

01-03-2025 17:00 - 18:00 0 MW

01-03-2025 18:00 - 19:00 0 MW

01-03-2025 19:00 - 20:00 0 MW

01-03-2025 20:00 - 21:00 0 MW

01-03-2025 21:00 - 22:00 0 MW

01-03-2025 22:00 - 23:00 0 MW

01-03-2025 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*:

HVDC cable ARACTHOS – GALATINA

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 IT-GR border for delivery period 01-03-2025

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:

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

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

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

01-03-2025 03:00 - 04:00 500 MW

01-03-2025 04:00 - 05:00 500 MW

01-03-2025 05:00 - 06:00 500 MW

01-03-2025 06:00 - 07:00 500 MW

01-03-2025 07:00 - 08:00 500 MW

01-03-2025 08:00 - 09:00 500 MW

01-03-2025 09:00 - 10:00 500 MW

01-03-2025 10:00 - 11:00 500 MW

01-03-2025 11:00 - 12:00 500 MW

01-03-2025 12:00 - 13:00 500 MW

01-03-2025 13:00 - 14:00 500 MW

01-03-2025 14:00 - 15:00 500 MW

01-03-2025 15:00 - 16:00 500 MW

01-03-2025 16:00 - 17:00 500 MW

01-03-2025 17:00 - 18:00 500 MW

01-03-2025 18:00 - 19:00 500 MW

01-03-2025 19:00 - 20:00 500 MW

01-03-2025 20:00 - 21:00 500 MW

01-03-2025 21:00 - 22:00 500 MW

01-03-2025 22:00 - 23:00 500 MW

01-03-2025 23:00 - 24:00 500 MW

5. Amount of LTTR remaining after curtailment:

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

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

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

01-03-2025 03:00 - 04:00 0 MW

01-03-2025 04:00 - 05:00 0 MW

01-03-2025 05:00 - 06:00 0 MW

01-03-2025 06:00 - 07:00 0 MW

01-03-2025 07:00 - 08:00 0 MW

01-03-2025 08:00 - 09:00 0 MW

01-03-2025 09:00 - 10:00 0 MW

01-03-2025 10:00 - 11:00 0 MW

01-03-2025 11:00 - 12:00 0 MW

01-03-2025 12:00 - 13:00 0 MW

01-03-2025 13:00 - 14:00 0 MW

01-03-2025 14:00 - 15:00 0 MW

01-03-2025 15:00 - 16:00 0 MW

01-03-2025 16:00 - 17:00 0 MW

01-03-2025 17:00 - 18:00 0 MW

01-03-2025 18:00 - 19:00 0 MW

01-03-2025 19:00 - 20:00 0 MW

01-03-2025 20:00 - 21:00 0 MW

01-03-2025 21:00 - 22:00 0 MW

01-03-2025 22:00 - 23:00 0 MW

01-03-2025 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*:

HVDC cable ARACTHOS – GALATINA

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
 

2025 Auction Calendar update

by JAO

Dear Market Participants,

We would like to inform you that as per TSOs request, the 2025 Auction Calendar has been updated on the corridor VKL.

For more details please refer to the Auction Calendar on our webpage http://www.jao.eu/auctions#/calendar/table to find its latest version.

Best regards,

JAO Operations Team

Capacity Curtailment on the EE-LV border for delivery period 28-02-2025

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:

28-02-2025 00:00 - 01:00 550 MW

28-02-2025 01:00 - 02:00 550 MW

28-02-2025 02:00 - 03:00 550 MW

28-02-2025 03:00 - 04:00 550 MW

28-02-2025 04:00 - 05:00 550 MW

28-02-2025 05:00 - 06:00 550 MW

28-02-2025 06:00 - 07:00 550 MW

28-02-2025 07:00 - 08:00 550 MW

28-02-2025 08:00 - 09:00 550 MW

28-02-2025 09:00 - 10:00 550 MW

28-02-2025 10:00 - 11:00 550 MW

28-02-2025 11:00 - 12:00 550 MW

28-02-2025 12:00 - 13:00 550 MW

28-02-2025 13:00 - 14:00 550 MW

28-02-2025 14:00 - 15:00 550 MW

28-02-2025 15:00 - 16:00 550 MW

28-02-2025 16:00 - 17:00 550 MW

28-02-2025 17:00 - 18:00 550 MW

28-02-2025 18:00 - 19:00 550 MW

28-02-2025 19:00 - 20:00 550 MW

28-02-2025 20:00 - 21:00 550 MW

28-02-2025 21:00 - 22:00 550 MW

28-02-2025 22:00 - 23:00 550 MW

28-02-2025 23:00 - 24:00 550 MW

5. Amount of LTTR remaining after curtailment:

28-02-2025 00:00 - 01:00 471 MW

28-02-2025 01:00 - 02:00 458 MW

28-02-2025 02:00 - 03:00 454 MW

28-02-2025 03:00 - 04:00 454 MW

28-02-2025 04:00 - 05:00 436 MW

28-02-2025 05:00 - 06:00 414 MW

28-02-2025 06:00 - 07:00 381 MW

28-02-2025 07:00 - 08:00 471 MW

28-02-2025 08:00 - 09:00 471 MW

28-02-2025 09:00 - 10:00 471 MW

28-02-2025 10:00 - 11:00 471 MW

28-02-2025 11:00 - 12:00 471 MW

28-02-2025 12:00 - 13:00 471 MW

28-02-2025 13:00 - 14:00 471 MW

28-02-2025 14:00 - 15:00 383 MW

28-02-2025 15:00 - 16:00 383 MW

28-02-2025 16:00 - 17:00 387 MW

28-02-2025 17:00 - 18:00 381 MW

28-02-2025 18:00 - 19:00 383 MW

28-02-2025 19:00 - 20:00 403 MW

28-02-2025 20:00 - 21:00 404 MW

28-02-2025 21:00 - 22:00 415 MW

28-02-2025 22:00 - 23:00 437 MW

28-02-2025 23:00 - 24:00 449 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)*?

*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 27/02/2025

by JAO

Dear Market Participants,

We would like to inform you that the validation reduction data for the delivery date of February 27th, 2025, for the Core ID CCR IDCC (b) will not be published as the data is not available on CCCT.

Thank you for your understanding.

Best regards,

Operations Team

Capacity Curtailment on the IT-GR border for delivery period 28-02-2025

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:

28-02-2025 00:00 - 01:00 500 MW

28-02-2025 01:00 - 02:00 500 MW

28-02-2025 02:00 - 03:00 500 MW

28-02-2025 03:00 - 04:00 500 MW

28-02-2025 04:00 - 05:00 500 MW

28-02-2025 05:00 - 06:00 500 MW

28-02-2025 06:00 - 07:00 500 MW

28-02-2025 07:00 - 08:00 500 MW

28-02-2025 08:00 - 09:00 500 MW

28-02-2025 09:00 - 10:00 500 MW

28-02-2025 10:00 - 11:00 500 MW

28-02-2025 11:00 - 12:00 500 MW

28-02-2025 12:00 - 13:00 500 MW

28-02-2025 13:00 - 14:00 500 MW

28-02-2025 14:00 - 15:00 500 MW

28-02-2025 15:00 - 16:00 500 MW

28-02-2025 16:00 - 17:00 500 MW

28-02-2025 17:00 - 18:00 500 MW

28-02-2025 18:00 - 19:00 500 MW

28-02-2025 19:00 - 20:00 500 MW

28-02-2025 20:00 - 21:00 500 MW

28-02-2025 21:00 - 22:00 500 MW

28-02-2025 22:00 - 23:00 500 MW

28-02-2025 23:00 - 24:00 500 MW

5. Amount of LTTR remaining after curtailment:

28-02-2025 00:00 - 01:00 0 MW

28-02-2025 01:00 - 02:00 0 MW

28-02-2025 02:00 - 03:00 0 MW

28-02-2025 03:00 - 04:00 0 MW

28-02-2025 04:00 - 05:00 0 MW

28-02-2025 05:00 - 06:00 0 MW

28-02-2025 06:00 - 07:00 0 MW

28-02-2025 07:00 - 08:00 0 MW

28-02-2025 08:00 - 09:00 0 MW

28-02-2025 09:00 - 10:00 0 MW

28-02-2025 10:00 - 11:00 0 MW

28-02-2025 11:00 - 12:00 0 MW

28-02-2025 12:00 - 13:00 0 MW

28-02-2025 13:00 - 14:00 0 MW

28-02-2025 14:00 - 15:00 0 MW

28-02-2025 15:00 - 16:00 0 MW

28-02-2025 16:00 - 17:00 0 MW

28-02-2025 17:00 - 18:00 0 MW

28-02-2025 18:00 - 19:00 0 MW

28-02-2025 19:00 - 20:00 0 MW

28-02-2025 20:00 - 21:00 0 MW

28-02-2025 21:00 - 22:00 0 MW

28-02-2025 22:00 - 23:00 0 MW

28-02-2025 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*:

HVDC cable ARACTHOS – GALATINA

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

IT

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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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