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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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Urgent Market Update: Delay of UA<>HU for Market Period 03/01/2026

by JAO

Please note that the Daily Auctions for market period 03/01/2026 with the auction IDs below have been delayed.

Bid submission gate opens at 10:00 and close at 10:30

UA-HU-D-DAILYPRODU-260103-01

HU-UA-D-DAILYPRODU-260103-01

Capacity Curtailment on the CH-IT border for delivery period 03-01-2026

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:

03-01-2026 02:00 - 03:00 2349 MW

03-01-2026 03:00 - 04:00 2349 MW

03-01-2026 04:00 - 05:00 2349 MW

03-01-2026 05:00 - 06:00 2349 MW

03-01-2026 06:00 - 07:00 2349 MW

03-01-2026 07:00 - 08:00 2349 MW

5. Amount of LTTR remaining after curtailment:

03-01-2026 02:00 - 03:00 1762 MW

03-01-2026 03:00 - 04:00 1011 MW

03-01-2026 04:00 - 05:00 1011 MW

03-01-2026 05:00 - 06:00 1011 MW

03-01-2026 06:00 - 07:00 1011 MW

03-01-2026 07:00 - 08:00 1880 MW

Capacity Curtailment on the SI-IT border for delivery period 03-01-2026

by JAO

1. TSO(s)*:

TERNA, RTE, APG. SWG, 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:

03-01-2026 00:00 - 01:00 310 MW

03-01-2026 01:00 - 02:00 310 MW

03-01-2026 02:00 - 03:00 310 MW

03-01-2026 03:00 - 04:00 310 MW

03-01-2026 04:00 - 05:00 310 MW

03-01-2026 05:00 - 06:00 310 MW

03-01-2026 06:00 - 07:00 310 MW

03-01-2026 07:00 - 08:00 310 MW

03-01-2026 08:00 - 09:00 310 MW

03-01-2026 09:00 - 10:00 310 MW

03-01-2026 10:00 - 11:00 310 MW

03-01-2026 11:00 - 12:00 310 MW

03-01-2026 12:00 - 13:00 310 MW

03-01-2026 13:00 - 14:00 310 MW

03-01-2026 14:00 - 15:00 310 MW

03-01-2026 15:00 - 16:00 310 MW

03-01-2026 16:00 - 17:00 310 MW

03-01-2026 17:00 - 18:00 310 MW

03-01-2026 18:00 - 19:00 310 MW

03-01-2026 19:00 - 20:00 310 MW

03-01-2026 20:00 - 21:00 310 MW

03-01-2026 21:00 - 22:00 310 MW

03-01-2026 22:00 - 23:00 310 MW

03-01-2026 23:00 - 24:00 310 MW

5. Amount of LTTR remaining after curtailment:

03-01-2026 00:00 - 01:00 179 MW

03-01-2026 01:00 - 02:00 179 MW

03-01-2026 02:00 - 03:00 132 MW

03-01-2026 03:00 - 04:00 178 MW

03-01-2026 04:00 - 05:00 178 MW

03-01-2026 05:00 - 06:00 178 MW

03-01-2026 06:00 - 07:00 178 MW

03-01-2026 07:00 - 08:00 178 MW

03-01-2026 08:00 - 09:00 248 MW

03-01-2026 09:00 - 10:00 227 MW

03-01-2026 10:00 - 11:00 225 MW

03-01-2026 11:00 - 12:00 225 MW

03-01-2026 12:00 - 13:00 187 MW

03-01-2026 13:00 - 14:00 187 MW

03-01-2026 14:00 - 15:00 187 MW

03-01-2026 15:00 - 16:00 178 MW

03-01-2026 16:00 - 17:00 178 MW

03-01-2026 17:00 - 18:00 178 MW

03-01-2026 18:00 - 19:00 187 MW

03-01-2026 19:00 - 20:00 187 MW

03-01-2026 20:00 - 21:00 187 MW

03-01-2026 21:00 - 22:00 210 MW

03-01-2026 22:00 - 23:00 210 MW

03-01-2026 23:00 - 24:00 183 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-IT border for delivery period 03-01-2026

by JAO

1. TSO(s)*:

TERNA, RTE, APG. SWG, ELES

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:

03-01-2026 00:00 - 01:00 2600 MW

03-01-2026 01:00 - 02:00 2600 MW

03-01-2026 02:00 - 03:00 2600 MW

03-01-2026 03:00 - 04:00 2600 MW

03-01-2026 04:00 - 05:00 2600 MW

03-01-2026 05:00 - 06:00 2600 MW

03-01-2026 06:00 - 07:00 2600 MW

03-01-2026 07:00 - 08:00 2600 MW

03-01-2026 08:00 - 09:00 2600 MW

5. Amount of LTTR remaining after curtailment:

03-01-2026 00:00 - 01:00 2513 MW

03-01-2026 01:00 - 02:00 2513 MW

03-01-2026 02:00 - 03:00 1934 MW

03-01-2026 03:00 - 04:00 1162 MW

03-01-2026 04:00 - 05:00 1162 MW

03-01-2026 05:00 - 06:00 1162 MW

03-01-2026 06:00 - 07:00 1162 MW

03-01-2026 07:00 - 08:00 1864 MW

03-01-2026 08:00 - 09:00 2520 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 AT-IT border for delivery period 03-01-2026

by JAO

1. TSO(s)*:

TERNA, RTE, APG. SWG, ELES

2. Identification of affected Long Term Transmission Rights:

AT-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

03-01-2026 02:00 - 03:00 224 MW

03-01-2026 03:00 - 04:00 224 MW

03-01-2026 04:00 - 05:00 224 MW

03-01-2026 05:00 - 06:00 224 MW

03-01-2026 06:00 - 07:00 224 MW

03-01-2026 07:00 - 08:00 224 MW

03-01-2026 08:00 - 09:00 224 MW

03-01-2026 12:00 - 13:00 224 MW

03-01-2026 13:00 - 14:00 224 MW

03-01-2026 14:00 - 15:00 224 MW

03-01-2026 15:00 - 16:00 224 MW

03-01-2026 16:00 - 17:00 224 MW

03-01-2026 17:00 - 18:00 224 MW

03-01-2026 18:00 - 19:00 224 MW

03-01-2026 19:00 - 20:00 224 MW

03-01-2026 20:00 - 21:00 224 MW

5. Amount of LTTR remaining after curtailment:

03-01-2026 02:00 - 03:00 172 MW

03-01-2026 03:00 - 04:00 148 MW

03-01-2026 04:00 - 05:00 148 MW

03-01-2026 05:00 - 06:00 148 MW

03-01-2026 06:00 - 07:00 148 MW

03-01-2026 07:00 - 08:00 88 MW

03-01-2026 08:00 - 09:00 130 MW

03-01-2026 12:00 - 13:00 132 MW

03-01-2026 13:00 - 14:00 132 MW

03-01-2026 14:00 - 15:00 132 MW

03-01-2026 15:00 - 16:00 129 MW

03-01-2026 16:00 - 17:00 129 MW

03-01-2026 17:00 - 18:00 129 MW

03-01-2026 18:00 - 19:00 132 MW

03-01-2026 19:00 - 20:00 132 MW

03-01-2026 20:00 - 21:00 132 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


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


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

 

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

Cancellation of IT<>ME Auctions for Market Period 02/01/2026

by JAO

As per TSO request, and due to erroneous Offered Capacity, the following auctions have been cancelled for market period 02/01/2026

IT-ME-D-DAILYPRODU-260102-01

ME-IT-D-DAILYPRODU-260102-01

There will be no other rounds for these auctions.

Urgent Market Update: Delay of UA<>SK and UA<>HU for Market Period 02/01/2026

by JAO

Please note that the Daily Auctions for market period 02/01/2026 with the auction IDs below have been delayed.

Bid submission gate opens at 10:00 and close at 10:30

UA-SK-D-DAILYPRODU-260102-01

SK-UA-D-DAILYPRODU-260102-01

UA-HU-D-DAILYPRODU-260102-01

HU-UA-D-DAILYPRODU-260102-01

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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Register your company

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

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