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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

Delay in Rights Documents Distribution for NLL ID 00-06 for mkt period 25/12

by JAO

We are currently experiencing technical issues with the distribution of the Rights Documents for the following auctions:

NLL-BE-GB-I-ID0006-251215-01

NLL-GB-BE-I-ID0006-251215-01

We kindly request that you please download the files directly from the Trader UI.

Thank you for your cooperation.

Capacity Curtailment on the IT-AT border for delivery period 16-12-2025

by JAO

1. TSO(s)*:

APG

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:

16-12-2025 08:00 - 09:00 81 MW

16-12-2025 09:00 - 10:00 81 MW

16-12-2025 10:00 - 11:00 81 MW

16-12-2025 11:00 - 12:00 81 MW

16-12-2025 12:00 - 13:00 81 MW

16-12-2025 13:00 - 14:00 81 MW

16-12-2025 14:00 - 15:00 81 MW

16-12-2025 15:00 - 16:00 81 MW

16-12-2025 16:00 - 17:00 81 MW

16-12-2025 17:00 - 18:00 81 MW

16-12-2025 18:00 - 19:00 81 MW

16-12-2025 19:00 - 20:00 81 MW

16-12-2025 20:00 - 21:00 81 MW

16-12-2025 21:00 - 22:00 81 MW

16-12-2025 22:00 - 23:00 81 MW

16-12-2025 23:00 - 24:00 81 MW

5. Amount of LTTR remaining after curtailment:

16-12-2025 08:00 - 09:00 11 MW

16-12-2025 09:00 - 10:00 11 MW

16-12-2025 10:00 - 11:00 11 MW

16-12-2025 11:00 - 12:00 11 MW

16-12-2025 12:00 - 13:00 11 MW

16-12-2025 13:00 - 14:00 11 MW

16-12-2025 14:00 - 15:00 11 MW

16-12-2025 15:00 - 16:00 11 MW

16-12-2025 16:00 - 17:00 11 MW

16-12-2025 17:00 - 18:00 11 MW

16-12-2025 18:00 - 19:00 11 MW

16-12-2025 19:00 - 20:00 11 MW

16-12-2025 20:00 - 21:00 11 MW

16-12-2025 21:00 - 22:00 11 MW

16-12-2025 22:00 - 23:00 11 MW

16-12-2025 23:00 - 24:00 11 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 AT-IT border for delivery period 16-12-2025

by JAO

1. TSO(s)*:

APG

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:

16-12-2025 08:00 - 09:00 204 MW

16-12-2025 09:00 - 10:00 204 MW

16-12-2025 10:00 - 11:00 204 MW

16-12-2025 11:00 - 12:00 204 MW

16-12-2025 12:00 - 13:00 204 MW

16-12-2025 13:00 - 14:00 204 MW

16-12-2025 14:00 - 15:00 204 MW

16-12-2025 15:00 - 16:00 204 MW

16-12-2025 16:00 - 17:00 204 MW

16-12-2025 17:00 - 18:00 204 MW

16-12-2025 18:00 - 19:00 204 MW

16-12-2025 19:00 - 20:00 204 MW

16-12-2025 20:00 - 21:00 204 MW

16-12-2025 21:00 - 22:00 204 MW

16-12-2025 22:00 - 23:00 204 MW

16-12-2025 23:00 - 24:00 204 MW

5. Amount of LTTR remaining after curtailment:

16-12-2025 08:00 - 09:00 47 MW

16-12-2025 09:00 - 10:00 47 MW

16-12-2025 10:00 - 11:00 47 MW

16-12-2025 11:00 - 12:00 47 MW

16-12-2025 12:00 - 13:00 47 MW

16-12-2025 13:00 - 14:00 47 MW

16-12-2025 14:00 - 15:00 47 MW

16-12-2025 15:00 - 16:00 47 MW

16-12-2025 16:00 - 17:00 47 MW

16-12-2025 17:00 - 18:00 47 MW

16-12-2025 18:00 - 19:00 47 MW

16-12-2025 19:00 - 20:00 47 MW

16-12-2025 20:00 - 21:00 47 MW

16-12-2025 21:00 - 22:00 47 MW

16-12-2025 22:00 - 23:00 47 MW

16-12-2025 23:00 - 24:00 47 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 DE-AT border for delivery period 16-12-2025

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

DE-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

16-12-2025 00:00 - 01:00 4819 MW

16-12-2025 01:00 - 02:00 4819 MW

16-12-2025 02:00 - 03:00 4819 MW

16-12-2025 03:00 - 04:00 4819 MW

16-12-2025 04:00 - 05:00 4819 MW

16-12-2025 05:00 - 06:00 4819 MW

16-12-2025 06:00 - 07:00 4819 MW

16-12-2025 07:00 - 08:00 4819 MW

16-12-2025 08:00 - 09:00 4819 MW

16-12-2025 09:00 - 10:00 4819 MW

16-12-2025 10:00 - 11:00 4819 MW

16-12-2025 11:00 - 12:00 4819 MW

16-12-2025 12:00 - 13:00 4819 MW

16-12-2025 13:00 - 14:00 4819 MW

16-12-2025 14:00 - 15:00 4819 MW

16-12-2025 15:00 - 16:00 4819 MW

16-12-2025 16:00 - 17:00 4819 MW

16-12-2025 17:00 - 18:00 4819 MW

16-12-2025 18:00 - 19:00 4819 MW

16-12-2025 19:00 - 20:00 4819 MW

16-12-2025 20:00 - 21:00 4819 MW

16-12-2025 21:00 - 22:00 4819 MW

16-12-2025 22:00 - 23:00 4819 MW

16-12-2025 23:00 - 24:00 4819 MW

5. Amount of LTTR remaining after curtailment:

16-12-2025 00:00 - 01:00 4556 MW

16-12-2025 01:00 - 02:00 4556 MW

16-12-2025 02:00 - 03:00 4556 MW

16-12-2025 03:00 - 04:00 4556 MW

16-12-2025 04:00 - 05:00 4556 MW

16-12-2025 05:00 - 06:00 4556 MW

16-12-2025 06:00 - 07:00 4556 MW

16-12-2025 07:00 - 08:00 4556 MW

16-12-2025 08:00 - 09:00 4556 MW

16-12-2025 09:00 - 10:00 4556 MW

16-12-2025 10:00 - 11:00 4556 MW

16-12-2025 11:00 - 12:00 4556 MW

16-12-2025 12:00 - 13:00 4556 MW

16-12-2025 13:00 - 14:00 4556 MW

16-12-2025 14:00 - 15:00 4556 MW

16-12-2025 15:00 - 16:00 4556 MW

16-12-2025 16:00 - 17:00 4556 MW

16-12-2025 17:00 - 18:00 4556 MW

16-12-2025 18:00 - 19:00 4556 MW

16-12-2025 19:00 - 20:00 4556 MW

16-12-2025 20:00 - 21:00 4556 MW

16-12-2025 21:00 - 22:00 4556 MW

16-12-2025 22:00 - 23:00 4556 MW

16-12-2025 23:00 - 24:00 4556 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.

Urgent Market Update: Cancellation & 2nd round created for RS><BG-D-DAILYPRODU-251215-01 for Market Period 15/12/2025 opening at 11:10

by JAO

As per TSO request, the BG >< RS DailyAuction for market period 15/12/2025 with the auction ID RS-BG-D-DAILYPRODU-251215-01 & BG-RS-D-DAILYPRODU-251215-01 have been cancelled.

Please note that the 2nd round of the daily auction auctions is opening today at 11:10 and will on 14/12/2025 at 11:30.

Please note that the Default Bids will not be taken into consideration, thank your understanding.

Kind regards,

JAO Operations

Capacity Curtailment on the SI-IT border for delivery period 15-12-2025

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:

15-12-2025 08:00 - 09:00 271 MW

15-12-2025 09:00 - 10:00 271 MW

15-12-2025 10:00 - 11:00 271 MW

15-12-2025 11:00 - 12:00 271 MW

15-12-2025 12:00 - 13:00 271 MW

15-12-2025 13:00 - 14:00 271 MW

15-12-2025 14:00 - 15:00 271 MW

15-12-2025 15:00 - 16:00 271 MW

15-12-2025 16:00 - 17:00 271 MW

5. Amount of LTTR remaining after curtailment:

15-12-2025 08:00 - 09:00 0 MW

15-12-2025 09:00 - 10:00 0 MW

15-12-2025 10:00 - 11:00 0 MW

15-12-2025 11:00 - 12:00 0 MW

15-12-2025 12:00 - 13:00 0 MW

15-12-2025 13:00 - 14:00 0 MW

15-12-2025 14:00 - 15:00 0 MW

15-12-2025 15:00 - 16:00 0 MW

15-12-2025 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 IT-SI border for delivery period 15-12-2025

by JAO

1. TSO(s)*:

TERNA, RTE, APG. SWG, ELES

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:

15-12-2025 08:00 - 09:00 334 MW

15-12-2025 09:00 - 10:00 334 MW

15-12-2025 10:00 - 11:00 334 MW

15-12-2025 11:00 - 12:00 334 MW

15-12-2025 12:00 - 13:00 334 MW

15-12-2025 13:00 - 14:00 334 MW

15-12-2025 14:00 - 15:00 334 MW

15-12-2025 15:00 - 16:00 334 MW

15-12-2025 16:00 - 17:00 334 MW

5. Amount of LTTR remaining after curtailment:

15-12-2025 08:00 - 09:00 0 MW

15-12-2025 09:00 - 10:00 0 MW

15-12-2025 10:00 - 11:00 0 MW

15-12-2025 11:00 - 12:00 0 MW

15-12-2025 12:00 - 13:00 0 MW

15-12-2025 13:00 - 14:00 0 MW

15-12-2025 14:00 - 15:00 0 MW

15-12-2025 15:00 - 16:00 0 MW

15-12-2025 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

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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