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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

470+

Registered Market Participants
20k+

Auctions per year
100 %

Auction Tool Availability
95

Employees
50

TSOs serviced

Latest market messages

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Capacity Curtailment on the RO-BG border for delivery 21-04-2024

Published: 19/04/2024 | 15:32by JAO
Publication Tool (Core) Delayed data published

Published: 19/04/2024 | 11:00by JAO
Capacity Curtailment on the CH-IT border for delivery 20-04-2024

Published: 19/04/2024 | 07:50by JAO
Capacity Curtailment on the SI-IT border for delivery 20-04-2024

Published: 19/04/2024 | 07:46by JAO
Capacity Curtailment on the FR-IT border for delivery 20-04-2024

Published: 19/04/2024 | 07:44by JAO
Capacity Curtailment on the AT-IT border for delivery 20-04-2024

Published: 19/04/2024 | 07:36by JAO
Capacity Curtailment on the AT-SI border for delivery 20-04-2024

Published: 18/04/2024 | 16:24by JAO

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1. TSO(s)*:

2. Identification of affected Long Term Transmission Rights:

RO-BG

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

21-04-2024 11:00 - 12:00 1187 MW

21-04-2024 12:00 - 13:00 1187 MW

21-04-2024 13:00 - 14:00 1187 MW

21-04-2024 14:00 - 15:00 1187 MW

21-04-2024 15:00 - 16:00 1187 MW

5. Amount of LTTR remaining after curtailment:

21-04-2024 11:00 - 12:00 478 MW

21-04-2024 12:00 - 13:00 478 MW

21-04-2024 13:00 - 14:00 478 MW

21-04-2024 14:00 - 15:00 478 MW

21-04-2024 15:00 - 16:00 478 MW

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

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

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

Dear Market Participants,

Be informed that the publication of data in Publication Tool (Core) for day April 20, is delayed.

Best regards,
JAO Operations Team

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. Estimated duration and affected volume in MW / hour for each concerned period:

20-04-2024 09:00 - 10:00 295 MW

20-04-2024 10:00 - 11:00 295 MW

20-04-2024 11:00 - 12:00 295 MW

20-04-2024 12:00 - 13:00 295 MW

20-04-2024 13:00 - 14:00 295 MW

20-04-2024 14:00 - 15:00 295 MW

20-04-2024 15:00 - 16:00 295 MW

20-04-2024 16:00 - 17:00 295 MW

20-04-2024 17:00 - 18:00 295 MW

5. Estimated duration and amount of LTTR remaining after curtailment:

20-04-2024 09:00 - 10:00 0 MW

20-04-2024 10:00 - 11:00 0 MW

20-04-2024 11:00 - 12:00 0 MW

20-04-2024 12:00 - 13:00 0 MW

20-04-2024 13:00 - 14:00 0 MW

20-04-2024 14:00 - 15:00 0 MW

20-04-2024 15:00 - 16:00 0 MW

20-04-2024 16:00 - 17:00 0 MW

20-04-2024 17:00 - 18:00 0 MW

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

1. TSO(s)*:

RTE – ELES – APG - TERNA

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:

20-04-2024 09:00 - 10:00 66 MW

20-04-2024 10:00 - 11:00 66 MW

20-04-2024 11:00 - 12:00 66 MW

20-04-2024 12:00 - 13:00 66 MW

20-04-2024 13:00 - 14:00 66 MW

20-04-2024 14:00 - 15:00 66 MW

20-04-2024 15:00 - 16:00 66 MW

20-04-2024 16:00 - 17:00 66 MW

20-04-2024 17:00 - 18:00 66 MW

5. Amount of LTTR remaining after curtailment:

20-04-2024 09:00 - 10:00 0 MW

20-04-2024 10:00 - 11:00 0 MW

20-04-2024 11:00 - 12:00 0 MW

20-04-2024 12:00 - 13:00 0 MW

20-04-2024 13:00 - 14:00 0 MW

20-04-2024 14:00 - 15:00 0 MW

20-04-2024 15:00 - 16:00 0 MW

20-04-2024 16:00 - 17:00 0 MW

20-04-2024 17:00 - 18:00 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 in the calculation.

1. TSO(s)*:

RTE – ELES – APG - 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:

20-04-2024 09:00 - 10:00 424 MW

20-04-2024 10:00 - 11:00 424 MW

20-04-2024 11:00 - 12:00 424 MW

20-04-2024 12:00 - 13:00 424 MW

20-04-2024 13:00 - 14:00 424 MW

20-04-2024 14:00 - 15:00 424 MW

20-04-2024 15:00 - 16:00 424 MW

20-04-2024 16:00 - 17:00 424 MW

20-04-2024 17:00 - 18:00 424 MW

5. Amount of LTTR remaining after curtailment:

20-04-2024 09:00 - 10:00 0 MW

20-04-2024 10:00 - 11:00 0 MW

20-04-2024 11:00 - 12:00 0 MW

20-04-2024 12:00 - 13:00 0 MW

20-04-2024 13:00 - 14:00 0 MW

20-04-2024 14:00 - 15:00 0 MW

20-04-2024 15:00 - 16:00 0 MW

20-04-2024 16:00 - 17:00 0 MW

20-04-2024 17:00 - 18:00 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 in the calculation.

1. TSO(s)*:

RTE – ELES – APG - TERNA

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:

20-04-2024 09:00 - 10:00 60 MW

20-04-2024 10:00 - 11:00 60 MW

20-04-2024 11:00 - 12:00 60 MW

20-04-2024 12:00 - 13:00 60 MW

20-04-2024 13:00 - 14:00 60 MW

20-04-2024 14:00 - 15:00 60 MW

20-04-2024 15:00 - 16:00 60 MW

20-04-2024 16:00 - 17:00 60 MW

20-04-2024 17:00 - 18:00 60 MW

5. Amount of LTTR remaining after curtailment:

20-04-2024 09:00 - 10:00 0 MW

20-04-2024 10:00 - 11:00 0 MW

20-04-2024 11:00 - 12:00 0 MW

20-04-2024 12:00 - 13:00 0 MW

20-04-2024 13:00 - 14:00 0 MW

20-04-2024 14:00 - 15:00 0 MW

20-04-2024 15:00 - 16:00 0 MW

20-04-2024 16:00 - 17:00 0 MW

20-04-2024 17:00 - 18:00 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 in the calculation.

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

AT-SI

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

20-04-2024 00:00 - 01:00 600 MW

20-04-2024 01:00 - 02:00 600 MW

20-04-2024 02:00 - 03:00 600 MW

20-04-2024 03:00 - 04:00 600 MW

20-04-2024 04:00 - 05:00 600 MW

20-04-2024 05:00 - 06:00 600 MW

20-04-2024 06:00 - 07:00 600 MW

20-04-2024 07:00 - 08:00 600 MW

20-04-2024 08:00 - 09:00 600 MW

20-04-2024 09:00 - 10:00 600 MW

20-04-2024 10:00 - 11:00 600 MW

20-04-2024 11:00 - 12:00 600 MW

20-04-2024 12:00 - 13:00 600 MW

20-04-2024 13:00 - 14:00 600 MW

20-04-2024 14:00 - 15:00 600 MW

20-04-2024 15:00 - 16:00 600 MW

20-04-2024 16:00 - 17:00 600 MW

20-04-2024 17:00 - 18:00 600 MW

20-04-2024 18:00 - 19:00 600 MW

5. Amount of LTTR remaining after curtailment:

20-04-2024 00:00 - 01:00 554 MW

20-04-2024 01:00 - 02:00 554 MW

20-04-2024 02:00 - 03:00 554 MW

20-04-2024 03:00 - 04:00 554 MW

20-04-2024 04:00 - 05:00 554 MW

20-04-2024 05:00 - 06:00 554 MW

20-04-2024 06:00 - 07:00 554 MW

20-04-2024 07:00 - 08:00 554 MW

20-04-2024 08:00 - 09:00 554 MW

20-04-2024 09:00 - 10:00 554 MW

20-04-2024 10:00 - 11:00 554 MW

20-04-2024 11:00 - 12:00 554 MW

20-04-2024 12:00 - 13:00 554 MW

20-04-2024 13:00 - 14:00 554 MW

20-04-2024 14:00 - 15:00 554 MW

20-04-2024 15:00 - 16:00 554 MW

20-04-2024 16:00 - 17:00 554 MW

20-04-2024 17:00 - 18:00 554 MW

20-04-2024 18:00 - 19:00 554 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.

Go to resources

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.

Get to know us

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.

Go to registration