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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.

 

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

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2nd round for IT<>ME Daily Auctions Opening at 09:55

by JAO

Please note that the 2nd round for the following auctions will open at 09:55CET and closing at 10:20CET:

New auction IDs to use in your bid files:

IT-ME-D-DAILYPRODU-260107-02

ME-IT-D-DAILYPRODU-260107-02

Thank you for your understanding

Cancellation of IT<>ME Daily auctions for BD 07/01 and 2nd round

by JAO

Please note that the following auctions are cancelled, and a second round will be conducted soon :

IT-ME-D-DAILYPRODU-260107-01

ME-IT-D-DAILYPRODU-260107-01

Cancellation of Auctions for MK-RS for Market Period 07/01/2026 AND second round at 9:20

by JAO

As per TSO request, the following auctions have been cancelled for market period 07/01/2026

MK-RS-D-DAILYPRODU-260107-01
RS-MK-D-DAILYPRODU-260107-01

And the following auctions have been created for market period 07/01/2026

MK-RS-D-DAILYPRODU-260107-02 – Opening 9:20 / Closing  9:50
RS-MK-D-DAILYPRODU-260107-02 -  Opening 9:20  / Closing  9:50

Please make sure to use the new auction ID in your bid files.

Capacity Curtailment on the CH-IT border for delivery period 07-01-2026

by JAO

1. TSO(s)*:

SWISSGRID

2. Identification of affected Long Term Transmission Rights:

CH-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

07-01-2026 00:00 - 01:00 2349 MW

07-01-2026 08:00 - 09:00 2786 MW

07-01-2026 09:00 - 10:00 2786 MW

07-01-2026 10:00 - 11:00 2786 MW

07-01-2026 11:00 - 12:00 2786 MW

07-01-2026 12:00 - 13:00 2786 MW

07-01-2026 13:00 - 14:00 2786 MW

07-01-2026 14:00 - 15:00 2786 MW

07-01-2026 15:00 - 16:00 2786 MW

07-01-2026 16:00 - 17:00 2786 MW

5. Amount of LTTR remaining after curtailment:

07-01-2026 00:00 - 01:00 2156 MW

07-01-2026 08:00 - 09:00 2588 MW

07-01-2026 09:00 - 10:00 2535 MW

07-01-2026 10:00 - 11:00 2535 MW

07-01-2026 11:00 - 12:00 2218 MW

07-01-2026 12:00 - 13:00 2218 MW

07-01-2026 13:00 - 14:00 2366 MW

07-01-2026 14:00 - 15:00 2535 MW

07-01-2026 15:00 - 16:00 2504 MW

07-01-2026 16:00 - 17:00 2504 MW

Capacity Curtailment on the FR-IT border for delivery period 07-01-2026

by JAO

1. TSO(s)*:

TERNA

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:

07-01-2026 00:00 - 01:00 2600 MW

5. Amount of LTTR remaining after curtailment:

07-01-2026 00:00 - 01:00 2336 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 IT-AT border for delivery period 07-01-2026

by JAO

1. TSO(s)*:

TERNA

2. Identification of affected Long Term Transmission Rights:

IT-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

07-01-2026 15:00 - 16:00 81 MW

07-01-2026 16:00 - 17:00 81 MW

07-01-2026 17:00 - 18:00 81 MW

07-01-2026 18:00 - 19:00 81 MW

07-01-2026 19:00 - 20:00 81 MW

5. Amount of LTTR remaining after curtailment:

07-01-2026 15:00 - 16:00 67 MW

07-01-2026 16:00 - 17:00 67 MW

07-01-2026 17:00 - 18:00 67 MW

07-01-2026 18:00 - 19:00 67 MW

07-01-2026 19:00 - 20:00 67 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 IT-FR border for delivery period 07-01-2026

by JAO

1. TSO(s)*:

TERNA

2. Identification of affected Long Term Transmission Rights:

IT-FR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

07-01-2026 15:00 - 16:00 1495 MW

07-01-2026 16:00 - 17:00 1495 MW

07-01-2026 17:00 - 18:00 1495 MW

07-01-2026 18:00 - 19:00 1495 MW

07-01-2026 19:00 - 20:00 1495 MW

5. Amount of LTTR remaining after curtailment:

07-01-2026 15:00 - 16:00 1279 MW

07-01-2026 16:00 - 17:00 1279 MW

07-01-2026 17:00 - 18:00 1279 MW

07-01-2026 18:00 - 19:00 1279 MW

07-01-2026 19:00 - 20:00 1279 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

Resource Center

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

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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. 

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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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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.

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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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