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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

Rights Documents and Auction Results Distribution for NLL ID 00-06 for market period 03/03/2026

by JAO

Due to an intervention, we kindly request that you please download the right documents and auction results files directly from the Trader UI for the two below auctions:

NLL-BE-GB-I-ID0006-260303-01

NLL-GB-BE-I-ID0006-260303-01

Thank you for your cooperation.

SOLVED: Network Infrastructure Down

by JAO

We would like to inform you that our network infrastructure is now working as expected.

Thanks for your understanding

URGENT: Network Infrastructure Down

by JAO

Please note that JAO is facing an issue with our provider related to the Network Infrastructure.

We are in contact with our provider and we will inform you once the situation is back to normal

Capacity Curtailment on the ME-IT && IT-ME border for delivery period 04/03/2026

by JAO

1. TSO(s)*:

Terna

2. Identification of affected Long Term Transmission Rights:

ME-IT and IT-ME

3, Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / period:

04-03-2026 00:00 - 01:00 400 MW

04-03-2026 01:00 - 02:00 400 MW

04-03-2026 02:00 - 03:00 400 MW

04-03-2026 03:00 - 04:00 400 MW

04-03-2026 04:00 - 05:00 400 MW

04-03-2026 05:00 - 06:00 400 MW

04-03-2026 06:00 - 07:00 400 MW

04-03-2026 07:00 - 08:00 400 MW

04-03-2026 08:00 - 09:00 400 MW

04-03-2026 09:00 - 10:00 400 MW

04-03-2026 10:00 - 11:00 400 MW

04-03-2026 11:00 - 12:00 400 MW

04-03-2026 12:00 - 13:00 400 MW

04-03-2026 13:00 - 14:00 400 MW

04-03-2026 14:00 - 15:00 400 MW

04-03-2026 15:00 - 16:00 400 MW

04-03-2026 16:00 - 17:00 400 MW

04-03-2026 17:00 - 18:00 400 MW

04-03-2026 18:00 - 19:00 400 MW

04-03-2026 19:00 - 20:00 400 MW

04-03-2026 20:00 - 21:00 400 MW

04-03-2026 21:00 - 22:00 400 MW

04-03-2026 22:00 - 23:00 400 MW

04-03-2026 23:00 - 00:00 400 MW

5. Amount of LTTR remaining after curtailment:

04-03-2026 00:00 - 01:00 0 MW

04-03-2026 01:00 - 02:00 0 MW

04-03-2026 02:00 - 03:00 0 MW

04-03-2026 03:00 - 04:00 0 MW

04-03-2026 04:00 - 05:00 0 MW

04-03-2026 05:00 - 06:00 0 MW

04-03-2026 06:00 - 07:00 0 MW

04-03-2026 07:00 - 08:00 0 MW

04-03-2026 08:00 - 09:00 0 MW

04-03-2026 09:00 - 10:00 0 MW

04-03-2026 10:00 - 11:00 0 MW

04-03-2026 11:00 - 12:00 0 MW

04-03-2026 12:00 - 13:00 0 MW

04-03-2026 13:00 - 14:00 0 MW

04-03-2026 14:00 - 15:00 0 MW

04-03-2026 15:00 - 16:00 0 MW

04-03-2026 16:00 - 17:00 0 MW

04-03-2026 17:00 - 18:00 0 MW

04-03-2026 18:00 - 19:00 0 MW

04-03-2026 19:00 - 20:00 0 MW

04-03-2026 20:00 - 21:00 0 MW

04-03-2026 21:00 - 22:00 0 MW

04-03-2026 22:00 - 23:00 0 MW

04-03-2026 23:00 - 00:00 0 MW

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

HVDC Monita

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 ES-FR border for delivery period 03/03/2026

by JAO

1. TSO(s)*:

RTE-TSO

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 / period:

03-03-2026 15:00 - 16:00 1830 MW

03-03-2026 16:00 - 17:00 1830 MW

03-03-2026 17:00 - 18:00 1830 MW

5. Amount of LTTR remaining after curtailment:

03-03-2026 15:00 - 16:00 767 MW

03-03-2026 16:00 - 17:00 767 MW

03-03-2026 17:00 - 18:00 767 MW

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

      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

Capacity Curtailment on the ME-IT border for delivery period 03-03-2026

by JAO

1. TSO(s)*:

CGES

2. Identification of affected Long Term Transmission Rights:

ME-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

03-03-2026 00:00 - 01:00 400 MW

03-03-2026 01:00 - 02:00 400 MW

03-03-2026 02:00 - 03:00 400 MW

03-03-2026 03:00 - 04:00 400 MW

03-03-2026 04:00 - 05:00 400 MW

03-03-2026 05:00 - 06:00 400 MW

03-03-2026 06:00 - 07:00 400 MW

03-03-2026 07:00 - 08:00 400 MW

03-03-2026 08:00 - 09:00 400 MW

03-03-2026 09:00 - 10:00 400 MW

03-03-2026 10:00 - 11:00 400 MW

03-03-2026 11:00 - 12:00 400 MW

03-03-2026 12:00 - 13:00 400 MW

03-03-2026 13:00 - 14:00 400 MW

03-03-2026 14:00 - 15:00 400 MW

03-03-2026 15:00 - 16:00 400 MW

03-03-2026 16:00 - 17:00 400 MW

03-03-2026 17:00 - 18:00 400 MW

03-03-2026 18:00 - 19:00 400 MW

03-03-2026 19:00 - 20:00 400 MW

03-03-2026 20:00 - 21:00 400 MW

03-03-2026 21:00 - 22:00 400 MW

03-03-2026 22:00 - 23:00 400 MW

03-03-2026 23:00 - 24:00 400 MW

5. Amount of LTTR remaining after curtailment:

03-03-2026 00:00 - 01:00 0 MW

03-03-2026 01:00 - 02:00 0 MW

03-03-2026 02:00 - 03:00 0 MW

03-03-2026 03:00 - 04:00 0 MW

03-03-2026 04:00 - 05:00 0 MW

03-03-2026 05:00 - 06:00 0 MW

03-03-2026 06:00 - 07:00 0 MW

03-03-2026 07:00 - 08:00 0 MW

03-03-2026 08:00 - 09:00 0 MW

03-03-2026 09:00 - 10:00 0 MW

03-03-2026 10:00 - 11:00 0 MW

03-03-2026 11:00 - 12:00 0 MW

03-03-2026 12:00 - 13:00 0 MW

03-03-2026 13:00 - 14:00 0 MW

03-03-2026 14:00 - 15:00 0 MW

03-03-2026 15:00 - 16:00 0 MW

03-03-2026 16:00 - 17:00 0 MW

03-03-2026 17:00 - 18:00 0 MW

03-03-2026 18:00 - 19:00 0 MW

03-03-2026 19:00 - 20:00 0 MW

03-03-2026 20:00 - 21:00 0 MW

03-03-2026 21:00 - 22:00 0 MW

03-03-2026 22:00 - 23:00 0 MW

03-03-2026 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 Monita

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

*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 IT-ME border for delivery period 03-03-2026

by JAO

1. TSO(s)*:

CGES

2. Identification of affected Long Term Transmission Rights:

IT-ME

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

03-03-2026 00:00 - 01:00 400 MW

03-03-2026 01:00 - 02:00 400 MW

03-03-2026 02:00 - 03:00 400 MW

03-03-2026 03:00 - 04:00 400 MW

03-03-2026 04:00 - 05:00 400 MW

03-03-2026 05:00 - 06:00 400 MW

03-03-2026 06:00 - 07:00 400 MW

03-03-2026 07:00 - 08:00 400 MW

03-03-2026 08:00 - 09:00 400 MW

03-03-2026 09:00 - 10:00 400 MW

03-03-2026 10:00 - 11:00 400 MW

03-03-2026 11:00 - 12:00 400 MW

03-03-2026 12:00 - 13:00 400 MW

03-03-2026 13:00 - 14:00 400 MW

03-03-2026 14:00 - 15:00 400 MW

03-03-2026 15:00 - 16:00 400 MW

03-03-2026 16:00 - 17:00 400 MW

03-03-2026 17:00 - 18:00 400 MW

03-03-2026 18:00 - 19:00 400 MW

03-03-2026 19:00 - 20:00 400 MW

03-03-2026 20:00 - 21:00 400 MW

03-03-2026 21:00 - 22:00 400 MW

03-03-2026 22:00 - 23:00 400 MW

03-03-2026 23:00 - 24:00 400 MW

5. Amount of LTTR remaining after curtailment:

03-03-2026 00:00 - 01:00 0 MW

03-03-2026 01:00 - 02:00 0 MW

03-03-2026 02:00 - 03:00 0 MW

03-03-2026 03:00 - 04:00 0 MW

03-03-2026 04:00 - 05:00 0 MW

03-03-2026 05:00 - 06:00 0 MW

03-03-2026 06:00 - 07:00 0 MW

03-03-2026 07:00 - 08:00 0 MW

03-03-2026 08:00 - 09:00 0 MW

03-03-2026 09:00 - 10:00 0 MW

03-03-2026 10:00 - 11:00 0 MW

03-03-2026 11:00 - 12:00 0 MW

03-03-2026 12:00 - 13:00 0 MW

03-03-2026 13:00 - 14:00 0 MW

03-03-2026 14:00 - 15:00 0 MW

03-03-2026 15:00 - 16:00 0 MW

03-03-2026 16:00 - 17:00 0 MW

03-03-2026 17:00 - 18:00 0 MW

03-03-2026 18:00 - 19:00 0 MW

03-03-2026 19:00 - 20:00 0 MW

03-03-2026 20:00 - 21:00 0 MW

03-03-2026 21:00 - 22:00 0 MW

03-03-2026 22:00 - 23:00 0 MW

03-03-2026 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 Monita

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

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

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
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JAO workers

Frequently asked questions

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

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