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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.

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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 DE-AT border for delivery period 01-12-2025

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:

01-12-2025 00:00 - 01:00 4545 MW

01-12-2025 01:00 - 02:00 4545 MW

01-12-2025 02:00 - 03:00 4545 MW

01-12-2025 03:00 - 04:00 4545 MW

01-12-2025 04:00 - 05:00 4545 MW

01-12-2025 05:00 - 06:00 4545 MW

01-12-2025 06:00 - 07:00 4545 MW

01-12-2025 07:00 - 08:00 4545 MW

01-12-2025 08:00 - 09:00 4545 MW

01-12-2025 09:00 - 10:00 4545 MW

01-12-2025 10:00 - 11:00 4545 MW

01-12-2025 11:00 - 12:00 4545 MW

01-12-2025 12:00 - 13:00 4545 MW

01-12-2025 13:00 - 14:00 4545 MW

01-12-2025 14:00 - 15:00 4545 MW

01-12-2025 15:00 - 16:00 4545 MW

01-12-2025 16:00 - 17:00 4545 MW

01-12-2025 17:00 - 18:00 4545 MW

01-12-2025 18:00 - 19:00 4545 MW

01-12-2025 19:00 - 20:00 4545 MW

01-12-2025 20:00 - 21:00 4545 MW

01-12-2025 21:00 - 22:00 4545 MW

01-12-2025 22:00 - 23:00 4545 MW

01-12-2025 23:00 - 24:00 4545 MW

5. Amount of LTTR remaining after curtailment:

01-12-2025 00:00 - 01:00 3979 MW

01-12-2025 01:00 - 02:00 3979 MW

01-12-2025 02:00 - 03:00 3979 MW

01-12-2025 03:00 - 04:00 3979 MW

01-12-2025 04:00 - 05:00 3979 MW

01-12-2025 05:00 - 06:00 3979 MW

01-12-2025 06:00 - 07:00 3979 MW

01-12-2025 07:00 - 08:00 3979 MW

01-12-2025 08:00 - 09:00 3979 MW

01-12-2025 09:00 - 10:00 3979 MW

01-12-2025 10:00 - 11:00 3979 MW

01-12-2025 11:00 - 12:00 3979 MW

01-12-2025 12:00 - 13:00 3979 MW

01-12-2025 13:00 - 14:00 3979 MW

01-12-2025 14:00 - 15:00 3979 MW

01-12-2025 15:00 - 16:00 3979 MW

01-12-2025 16:00 - 17:00 3979 MW

01-12-2025 17:00 - 18:00 3979 MW

01-12-2025 18:00 - 19:00 3979 MW

01-12-2025 19:00 - 20:00 3979 MW

01-12-2025 20:00 - 21:00 3979 MW

01-12-2025 21:00 - 22:00 3979 MW

01-12-2025 22:00 - 23:00 3979 MW

01-12-2025 23:00 - 24:00 3979 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

Publication Tool data for IDA1 Business Day 30/11/2025

by JAO

Please be informed that due to IDA1 cancellation, data for IDA1 will not be available in Publication Tool for business day 30/11/2025.

Capacity Curtailment on the EE-LV border for delivery period 30-11-2025

by JAO

1. TSO(s)*:

ELERING

2. Identification of affected Long Term Transmission Rights:

EE-LV

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

30-11-2025 00:00 - 01:00 550 MW

30-11-2025 01:00 - 02:00 550 MW

30-11-2025 02:00 - 03:00 550 MW

30-11-2025 03:00 - 04:00 550 MW

30-11-2025 04:00 - 05:00 550 MW

30-11-2025 05:00 - 06:00 550 MW

30-11-2025 06:00 - 07:00 550 MW

30-11-2025 13:00 - 14:00 550 MW

5. Amount of LTTR remaining after curtailment:

30-11-2025 00:00 - 01:00 501 MW

30-11-2025 01:00 - 02:00 501 MW

30-11-2025 02:00 - 03:00 501 MW

30-11-2025 03:00 - 04:00 501 MW

30-11-2025 04:00 - 05:00 501 MW

30-11-2025 05:00 - 06:00 501 MW

30-11-2025 06:00 - 07:00 501 MW

30-11-2025 13:00 - 14:00 501 MW

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

Nord Pool - UMM Platform, as well as the capacity already allocated on the Baltic Balancing Market for balancing capacity sharing at https://baltic.transparency-dashboard.eu/node/108

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

There is no alternative to the curtailment of the affected LTTRs.

Market communication

by JAO

1. TSO(s)*:

RNP

2. Identification of affected Long Term Transmission Rights:

IF1-GB-FR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

01-12-2025 13:00 - 14:00 1497 MW

01-12-2025 14:00 - 15:00 1497 MW

5. Amount of LTTR remaining after curtailment:

01-12-2025 13:00 - 14:00 958 MW

01-12-2025 14:00 - 15:00 958 MW

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

Thermal Limits

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

Capacity limitation due to planned maintenance

*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 DE-AT border for delivery period 30-11-2025

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:

30-11-2025 00:00 - 01:00 4820 MW

30-11-2025 01:00 - 02:00 4820 MW

30-11-2025 02:00 - 03:00 4820 MW

30-11-2025 03:00 - 04:00 4820 MW

30-11-2025 04:00 - 05:00 4820 MW

30-11-2025 05:00 - 06:00 4820 MW

30-11-2025 06:00 - 07:00 4820 MW

30-11-2025 07:00 - 08:00 4820 MW

30-11-2025 08:00 - 09:00 4820 MW

30-11-2025 09:00 - 10:00 4820 MW

30-11-2025 10:00 - 11:00 4820 MW

30-11-2025 11:00 - 12:00 4820 MW

30-11-2025 12:00 - 13:00 4820 MW

30-11-2025 13:00 - 14:00 4820 MW

30-11-2025 14:00 - 15:00 4820 MW

30-11-2025 15:00 - 16:00 4820 MW

30-11-2025 16:00 - 17:00 4820 MW

30-11-2025 17:00 - 18:00 4820 MW

30-11-2025 18:00 - 19:00 4820 MW

30-11-2025 19:00 - 20:00 4820 MW

30-11-2025 20:00 - 21:00 4820 MW

30-11-2025 21:00 - 22:00 4820 MW

30-11-2025 22:00 - 23:00 4820 MW

30-11-2025 23:00 - 24:00 4820 MW

5. Amount of LTTR remaining after curtailment:

30-11-2025 00:00 - 01:00 3974 MW

30-11-2025 01:00 - 02:00 3974 MW

30-11-2025 02:00 - 03:00 3974 MW

30-11-2025 03:00 - 04:00 3974 MW

30-11-2025 04:00 - 05:00 3974 MW

30-11-2025 05:00 - 06:00 3974 MW

30-11-2025 06:00 - 07:00 3974 MW

30-11-2025 07:00 - 08:00 3974 MW

30-11-2025 08:00 - 09:00 3974 MW

30-11-2025 09:00 - 10:00 3974 MW

30-11-2025 10:00 - 11:00 3974 MW

30-11-2025 11:00 - 12:00 3974 MW

30-11-2025 12:00 - 13:00 3974 MW

30-11-2025 13:00 - 14:00 3974 MW

30-11-2025 14:00 - 15:00 3974 MW

30-11-2025 15:00 - 16:00 3974 MW

30-11-2025 16:00 - 17:00 3974 MW

30-11-2025 17:00 - 18:00 3974 MW

30-11-2025 18:00 - 19:00 3974 MW

30-11-2025 19:00 - 20:00 3974 MW

30-11-2025 20:00 - 21:00 3974 MW

30-11-2025 21:00 - 22:00 3974 MW

30-11-2025 22:00 - 23:00 3974 MW

30-11-2025 23:00 - 24:00 3974 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

Nordic CCR Shadow Price Data Delay

by JAO

Please be informed that due to an internal process issue at Nordic RCC, Shadow Prices are currently not being transmitted for publication on the Publication Tool, Nordic CCR page (Shadow Price & Flow_FB). The issue affects data starting from delivery date 27/11.

A fix is underway, but resolution is not expected before the end of this week. Once solved, all historical Shadow Prices will be reuploaded to Publication Tool.

Capacity Curtailment on the EE-LV border for delivery period 29-11-2025

by JAO

1. TSO(s)*:

ELERING

2. Identification of affected Long Term Transmission Rights:

EE-LV

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

29-11-2025 01:00 - 02:00 550 MW

29-11-2025 02:00 - 03:00 550 MW

29-11-2025 05:00 - 06:00 550 MW

29-11-2025 09:00 - 10:00 550 MW

29-11-2025 10:00 - 11:00 550 MW

29-11-2025 15:00 - 16:00 550 MW

29-11-2025 17:00 - 18:00 550 MW

29-11-2025 18:00 - 19:00 550 MW

29-11-2025 19:00 - 20:00 550 MW

29-11-2025 20:00 - 21:00 550 MW

29-11-2025 21:00 - 22:00 550 MW

29-11-2025 22:00 - 23:00 550 MW

29-11-2025 23:00 - 24:00 550 MW

5. Amount of LTTR remaining after curtailment:

29-11-2025 01:00 - 02:00 508 MW

29-11-2025 02:00 - 03:00 488 MW

29-11-2025 05:00 - 06:00 505 MW

29-11-2025 09:00 - 10:00 508 MW

29-11-2025 10:00 - 11:00 508 MW

29-11-2025 15:00 - 16:00 505 MW

29-11-2025 17:00 - 18:00 505 MW

29-11-2025 18:00 - 19:00 505 MW

29-11-2025 19:00 - 20:00 505 MW

29-11-2025 20:00 - 21:00 505 MW

29-11-2025 21:00 - 22:00 505 MW

29-11-2025 22:00 - 23:00 505 MW

29-11-2025 23:00 - 24:00 505 MW

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

Nord Pool - UMM Platform, as well as the capacity already allocated on the Baltic Balancing Market for balancing capacity sharing at https://baltic.transparency-dashboard.eu/node/108

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

There is no alternative to the curtailment of the affected LTTRs.

*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. 

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

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