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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

Capacity Curtailment on the IT-CH border for delivery period 08-01-2026

by JAO

1. TSO(s)*:

TERNA

2. Identification of affected Long Term Transmission Rights:

IT-CH

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

08-01-2026 15:00 - 16:00 927 MW

08-01-2026 16:00 - 17:00 927 MW

08-01-2026 17:00 - 18:00 927 MW

08-01-2026 18:00 - 19:00 927 MW

5. Amount of LTTR remaining after curtailment:

08-01-2026 15:00 - 16:00 778 MW

08-01-2026 16:00 - 17:00 778 MW

08-01-2026 17:00 - 18:00 778 MW

08-01-2026 18:00 - 19:00 778 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

Capacity Curtailment on the CH-IT border for delivery period 08-01-2026

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:

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

08-01-2026 09:00 - 10:00 2786 MW

08-01-2026 10:00 - 11:00 2786 MW

08-01-2026 11:00 - 12:00 2786 MW

08-01-2026 12:00 - 13:00 2786 MW

08-01-2026 13:00 - 14:00 2786 MW

08-01-2026 14:00 - 15:00 2786 MW

08-01-2026 15:00 - 16:00 2786 MW

08-01-2026 16:00 - 17:00 2786 MW

5. Amount of LTTR remaining after curtailment:

08-01-2026 08:00 - 09:00 2423 MW

08-01-2026 09:00 - 10:00 2535 MW

08-01-2026 10:00 - 11:00 2535 MW

08-01-2026 11:00 - 12:00 2535 MW

08-01-2026 12:00 - 13:00 2504 MW

08-01-2026 13:00 - 14:00 2504 MW

08-01-2026 14:00 - 15:00 2504 MW

08-01-2026 15:00 - 16:00 2535 MW

08-01-2026 16:00 - 17:00 2535 MW

Capacity Curtailment on the IT-SI border for delivery period 08-01-2026

by JAO

1. TSO(s)*:

TERNA

2. Identification of affected Long Term Transmission Rights:

IT-SI

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

08-01-2026 15:00 - 16:00 334 MW

08-01-2026 16:00 - 17:00 334 MW

08-01-2026 17:00 - 18:00 334 MW

08-01-2026 18:00 - 19:00 334 MW

5. Amount of LTTR remaining after curtailment:

08-01-2026 15:00 - 16:00 273 MW

08-01-2026 16:00 - 17:00 273 MW

08-01-2026 17:00 - 18:00 273 MW

08-01-2026 18:00 - 19:00 273 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

Capacity Curtailment on the IT-FR border for delivery period 08-01-2026

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:

08-01-2026 08:00 - 09:00 1495 MW

08-01-2026 09:00 - 10:00 1495 MW

08-01-2026 15:00 - 16:00 1495 MW

08-01-2026 16:00 - 17:00 1495 MW

08-01-2026 17:00 - 18:00 1495 MW

08-01-2026 18:00 - 19:00 1495 MW

5. Amount of LTTR remaining after curtailment:

08-01-2026 08:00 - 09:00 1064 MW

08-01-2026 09:00 - 10:00 1064 MW

08-01-2026 15:00 - 16:00 841 MW

08-01-2026 16:00 - 17:00 841 MW

08-01-2026 17:00 - 18:00 841 MW

08-01-2026 18:00 - 19:00 841 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

Capacity Curtailment on the IT-AT border for delivery period 08-01-2026

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:

08-01-2026 08:00 - 09:00 81 MW

08-01-2026 09:00 - 10:00 81 MW

08-01-2026 15:00 - 16:00 81 MW

08-01-2026 16:00 - 17:00 81 MW

08-01-2026 17:00 - 18:00 81 MW

08-01-2026 18:00 - 19:00 81 MW

5. Amount of LTTR remaining after curtailment:

08-01-2026 08:00 - 09:00 58 MW

08-01-2026 09:00 - 10:00 58 MW

08-01-2026 15:00 - 16:00 44 MW

08-01-2026 16:00 - 17:00 44 MW

08-01-2026 17:00 - 18:00 44 MW

08-01-2026 18:00 - 19:00 44 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

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

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.

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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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