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

Publication of IDCC (b) data for Business Day 24/04/2025

by JAO

Dear Market Participants, 

We would like to inform you that missing data for the delivery date of 24/04/2025, for the Core ID CCR IDCC (b) will not be published as the data is not available on CCCT.

Thank you for your understanding.

Kind regards,

JAO Operations 

Capacity Curtailment on the EE-LV border for delivery period 25-04-2025

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:

25-04-2025 00:00 - 01:00 499 MW

25-04-2025 01:00 - 02:00 499 MW

25-04-2025 02:00 - 03:00 499 MW

25-04-2025 03:00 - 04:00 499 MW

25-04-2025 04:00 - 05:00 499 MW

25-04-2025 05:00 - 06:00 499 MW

25-04-2025 06:00 - 07:00 499 MW

25-04-2025 07:00 - 08:00 499 MW

25-04-2025 08:00 - 09:00 499 MW

25-04-2025 09:00 - 10:00 499 MW

25-04-2025 10:00 - 11:00 499 MW

25-04-2025 11:00 - 12:00 499 MW

25-04-2025 12:00 - 13:00 499 MW

25-04-2025 13:00 - 14:00 499 MW

25-04-2025 14:00 - 15:00 499 MW

25-04-2025 15:00 - 16:00 499 MW

25-04-2025 16:00 - 17:00 499 MW

25-04-2025 17:00 - 18:00 499 MW

25-04-2025 18:00 - 19:00 499 MW

25-04-2025 19:00 - 20:00 499 MW

25-04-2025 20:00 - 21:00 499 MW

25-04-2025 21:00 - 22:00 499 MW

25-04-2025 22:00 - 23:00 499 MW

25-04-2025 23:00 - 24:00 499 MW

5. Amount of LTTR remaining after curtailment:

25-04-2025 00:00 - 01:00 289 MW

25-04-2025 01:00 - 02:00 289 MW

25-04-2025 02:00 - 03:00 289 MW

25-04-2025 03:00 - 04:00 305 MW

25-04-2025 04:00 - 05:00 303 MW

25-04-2025 05:00 - 06:00 289 MW

25-04-2025 06:00 - 07:00 289 MW

25-04-2025 07:00 - 08:00 289 MW

25-04-2025 08:00 - 09:00 289 MW

25-04-2025 09:00 - 10:00 289 MW

25-04-2025 10:00 - 11:00 319 MW

25-04-2025 11:00 - 12:00 289 MW

25-04-2025 12:00 - 13:00 289 MW

25-04-2025 13:00 - 14:00 289 MW

25-04-2025 14:00 - 15:00 319 MW

25-04-2025 15:00 - 16:00 289 MW

25-04-2025 16:00 - 17:00 289 MW

25-04-2025 17:00 - 18:00 289 MW

25-04-2025 18:00 - 19:00 289 MW

25-04-2025 19:00 - 20:00 289 MW

25-04-2025 20:00 - 21:00 289 MW

25-04-2025 21:00 - 22:00 289 MW

25-04-2025 22:00 - 23:00 299 MW

25-04-2025 23:00 - 24:00 305 MW

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

Please see the latest day-ahead net transfer capacity values published on the Nord Pool UMM Platform under "Unavailability of electricity facilities: Transmission EE → LV" at 
https://umm.nordpoolgroup.com/#/messages?publicationDate=all&eventDate=custom&connections=EE-LV&eventDateStart=1970-01-01&eventDateStop=2125-04-20 , as well as the capacity already allocated on the Baltic Balancing Market for balancing capacity sharing at https://baltic.transparency-dashboard.eu/node/108

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

There is no alternative to the curtailment of the affected LTTRs.

Capacity Curtailment on the CH-IT border for delivery period 25-04-2025

by JAO

1. TSO(s)*:

SWISSGRID

2. Identification of affected Long Term Transmission Rights:

CH-IT

3. Triggering event:

Curtailment due to Curtailment to ensure operation remains within Operational Security Limits

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

25-04-2025 09:00 - 10:00 292 MW

25-04-2025 10:00 - 11:00 292 MW

25-04-2025 11:00 - 12:00 292 MW

25-04-2025 12:00 - 13:00 292 MW

25-04-2025 13:00 - 14:00 292 MW

25-04-2025 14:00 - 15:00 292 MW

25-04-2025 15:00 - 16:00 292 MW

25-04-2025 16:00 - 17:00 292 MW

5. Amount of LTTR remaining after curtailment:

25-04-2025 09:00 - 10:00 61 MW

25-04-2025 10:00 - 11:00 0 MW

25-04-2025 11:00 - 12:00 0 MW

25-04-2025 12:00 - 13:00 0 MW

25-04-2025 13:00 - 14:00 0 MW

25-04-2025 14:00 - 15:00 0 MW

25-04-2025 15:00 - 16:00 0 MW

25-04-2025 16:00 - 17:00 0 MW

Capacity Curtailment on the SI-IT border for delivery period 25-04-2025

by JAO

1. TSO(s)*:

TERNA, ELES

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:

25-04-2025 10:00 - 11:00 66 MW

25-04-2025 11:00 - 12:00 66 MW

25-04-2025 12:00 - 13:00 66 MW

25-04-2025 13:00 - 14:00 66 MW

25-04-2025 14:00 - 15:00 66 MW

25-04-2025 15:00 - 16:00 66 MW

25-04-2025 16:00 - 17:00 66 MW

5. Amount of LTTR remaining after curtailment:

25-04-2025 10:00 - 11:00 0 MW

25-04-2025 11:00 - 12:00 0 MW

25-04-2025 12:00 - 13:00 0 MW

25-04-2025 13:00 - 14:00 0 MW

25-04-2025 14:00 - 15:00 0 MW

25-04-2025 15:00 - 16:00 0 MW

25-04-2025 16:00 - 17:00 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

 

Capacity Curtailment on the GR-IT and IT-GR border for delivery period 25-04-2025

by JAO

1. TSO(s)*:

TERNA, ADMIE

2. Identification of affected Long Term Transmission Rights:

GR-IT

IT-GR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

25-04-2025 00:00 - 01:00 50 MW

25-04-2025 01:00 - 02:00 50 MW

25-04-2025 02:00 - 03:00 50 MW

25-04-2025 03:00 - 04:00 50 MW

25-04-2025 04:00 - 05:00 50 MW

25-04-2025 05:00 - 06:00 50 MW

25-04-2025 06:00 - 07:00 50 MW

25-04-2025 07:00 - 08:00 50 MW

25-04-2025 08:00 - 09:00 50 MW

25-04-2025 09:00 - 10:00 50 MW

25-04-2025 10:00 - 11:00 50 MW

25-04-2025 11:00 - 12:00 50 MW

25-04-2025 12:00 - 13:00 50 MW

25-04-2025 13:00 - 14:00 50 MW

25-04-2025 14:00 - 15:00 50 MW

25-04-2025 15:00 - 16:00 50 MW

25-04-2025 16:00 - 17:00 50 MW

25-04-2025 17:00 - 18:00 50 MW

25-04-2025 18:00 - 19:00 50 MW

25-04-2025 19:00 - 20:00 50 MW

25-04-2025 20:00 - 21:00 50 MW

25-04-2025 21:00 - 22:00 50 MW

25-04-2025 22:00 - 23:00 50 MW

25-04-2025 23:00 - 24:00 50 MW

5. Amount of LTTR remaining after curtailment:

25-04-2025 00:00 - 01:00 0 MW

25-04-2025 01:00 - 02:00 0 MW

25-04-2025 02:00 - 03:00 0 MW

25-04-2025 03:00 - 04:00 0 MW

25-04-2025 04:00 - 05:00 0 MW

25-04-2025 05:00 - 06:00 0 MW

25-04-2025 06:00 - 07:00 0 MW

25-04-2025 07:00 - 08:00 0 MW

25-04-2025 08:00 - 09:00 0 MW

25-04-2025 09:00 - 10:00 0 MW

25-04-2025 10:00 - 11:00 0 MW

25-04-2025 11:00 - 12:00 0 MW

25-04-2025 12:00 - 13:00 0 MW

25-04-2025 13:00 - 14:00 0 MW

25-04-2025 14:00 - 15:00 0 MW

25-04-2025 15:00 - 16:00 0 MW

25-04-2025 16:00 - 17:00 0 MW

25-04-2025 17:00 - 18:00 0 MW

25-04-2025 18:00 - 19:00 0 MW

25-04-2025 19:00 - 20:00 0 MW

25-04-2025 20:00 - 21:00 0 MW

25-04-2025 21:00 - 22:00 0 MW

25-04-2025 22:00 - 23:00 0 MW

25-04-2025 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)?

Not Applicable

Capacity Curtailment on the FR-IT border for delivery period 25-04-2025

by JAO

1. TSO(s)*:

TERNA, RTE

2. Identification of affected Long Term Transmission Rights:

FR-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

25-04-2025 09:00 - 10:00 429 MW

25-04-2025 10:00 - 11:00 429 MW

25-04-2025 11:00 - 12:00 429 MW

25-04-2025 12:00 - 13:00 429 MW

25-04-2025 13:00 - 14:00 429 MW

25-04-2025 14:00 - 15:00 429 MW

25-04-2025 15:00 - 16:00 429 MW

25-04-2025 16:00 - 17:00 429 MW

5. Amount of LTTR remaining after curtailment:

25-04-2025 09:00 - 10:00 260 MW

25-04-2025 10:00 - 11:00 0 MW

25-04-2025 11:00 - 12:00 0 MW

25-04-2025 12:00 - 13:00 0 MW

25-04-2025 13:00 - 14:00 0 MW

25-04-2025 14:00 - 15:00 0 MW

25-04-2025 15:00 - 16:00 0 MW

25-04-2025 16:00 - 17:00 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

Capacity Curtailment on the FR-CH border for delivery period 25-04-2025

by JAO

1. TSO(s)*:

RTE-TSO, SWISSGRID

2. Identification of affected Long Term Transmission Rights:

FR-CH

3. Triggering event:

Curtailment due to Curtailment to ensure operation remains within Operational Security Limits

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

25-04-2025 00:00 - 01:00 369 MW

25-04-2025 01:00 - 02:00 369 MW

25-04-2025 02:00 - 03:00 369 MW

25-04-2025 03:00 - 04:00 369 MW

25-04-2025 04:00 - 05:00 369 MW

25-04-2025 05:00 - 06:00 369 MW

25-04-2025 06:00 - 07:00 369 MW

25-04-2025 07:00 - 08:00 369 MW

25-04-2025 08:00 - 09:00 369 MW

25-04-2025 09:00 - 10:00 369 MW

25-04-2025 10:00 - 11:00 369 MW

25-04-2025 11:00 - 12:00 369 MW

25-04-2025 12:00 - 13:00 369 MW

25-04-2025 13:00 - 14:00 369 MW

25-04-2025 14:00 - 15:00 369 MW

25-04-2025 15:00 - 16:00 369 MW

25-04-2025 16:00 - 17:00 369 MW

5. Amount of LTTR remaining after curtailment:

25-04-2025 00:00 - 01:00 0 MW

25-04-2025 01:00 - 02:00 0 MW

25-04-2025 02:00 - 03:00 0 MW

25-04-2025 03:00 - 04:00 0 MW

25-04-2025 04:00 - 05:00 0 MW

25-04-2025 05:00 - 06:00 0 MW

25-04-2025 06:00 - 07:00 0 MW

25-04-2025 07:00 - 08:00 0 MW

25-04-2025 08:00 - 09:00 0 MW

25-04-2025 09:00 - 10:00 0 MW

25-04-2025 10:00 - 11:00 0 MW

25-04-2025 11:00 - 12:00 0 MW

25-04-2025 12:00 - 13:00 0 MW

25-04-2025 13:00 - 14:00 0 MW

25-04-2025 14:00 - 15:00 0 MW

25-04-2025 15:00 - 16:00 0 MW

25-04-2025 16:00 - 17:00 0 MW

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

   25/04/2025

      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

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

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.

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!