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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 AT-IT border for delivery period 03-11-2024

Published: 01/11/2024 | 18:24by JAO
2024 Auction Calendar update

Published: 01/11/2024 | 17:14by JAO
Capacity Curtailment on the FR-IT border for delivery period 02-11-2024

Published: 01/11/2024 | 11:44by JAO
Capacity Curtailment on the SI-AT border for delivery period 02-11-2024

Published: 01/11/2024 | 10:28by JAO
HR<>RS-D-DAILYPRODU-241102-02 and HU<>RS-D-DAILYPRODU-241102-02

Published: 01/11/2024 | 10:26by JAO
Second round for Daily Auction for border RS<>HR

Published: 01/11/2024 | 09:52by JAO
Second round for Daily Auction for border RS<>HU

Published: 01/11/2024 | 09:46by JAO

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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:

03-11-2024 00:00 - 01:00 450 MW

03-11-2024 01:00 - 02:00 450 MW

03-11-2024 02:00 - 03:00 450 MW

03-11-2024 03:00 - 04:00 450 MW

03-11-2024 04:00 - 05:00 450 MW

03-11-2024 05:00 - 06:00 450 MW

03-11-2024 06:00 - 07:00 450 MW

03-11-2024 07:00 - 08:00 450 MW

03-11-2024 08:00 - 09:00 450 MW

03-11-2024 09:00 - 10:00 450 MW

03-11-2024 10:00 - 11:00 450 MW

03-11-2024 11:00 - 12:00 450 MW

03-11-2024 12:00 - 13:00 450 MW

03-11-2024 13:00 - 14:00 450 MW

03-11-2024 14:00 - 15:00 450 MW

03-11-2024 15:00 - 16:00 450 MW

03-11-2024 16:00 - 17:00 450 MW

03-11-2024 17:00 - 18:00 450 MW

03-11-2024 18:00 - 19:00 450 MW

03-11-2024 19:00 - 20:00 450 MW

03-11-2024 20:00 - 21:00 450 MW

03-11-2024 21:00 - 22:00 450 MW

03-11-2024 22:00 - 23:00 450 MW

03-11-2024 23:00 - 24:00 450 MW

5. Amount of LTTR remaining after curtailment:

03-11-2024 00:00 - 01:00 351 MW

03-11-2024 01:00 - 02:00 351 MW

03-11-2024 02:00 - 03:00 351 MW

03-11-2024 03:00 - 04:00 351 MW

03-11-2024 04:00 - 05:00 351 MW

03-11-2024 05:00 - 06:00 351 MW

03-11-2024 06:00 - 07:00 351 MW

03-11-2024 07:00 - 08:00 351 MW

03-11-2024 08:00 - 09:00 351 MW

03-11-2024 09:00 - 10:00 351 MW

03-11-2024 10:00 - 11:00 351 MW

03-11-2024 11:00 - 12:00 351 MW

03-11-2024 12:00 - 13:00 351 MW

03-11-2024 13:00 - 14:00 351 MW

03-11-2024 14:00 - 15:00 351 MW

03-11-2024 15:00 - 16:00 351 MW

03-11-2024 16:00 - 17:00 351 MW

03-11-2024 17:00 - 18:00 351 MW

03-11-2024 18:00 - 19:00 351 MW

03-11-2024 19:00 - 20:00 351 MW

03-11-2024 20:00 - 21:00 351 MW

03-11-2024 21:00 - 22:00 351 MW

03-11-2024 22:00 - 23:00 351 MW

03-11-2024 23:00 - 24:00 351 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

Dear Market Participants,

We would like to inform you that the 2024 Auction Calendar has been updated on the corridors IFA1.

For more details please refer to the Auction Calendar on our webpage http://www.jao.eu/auctions#/calendar/table to find its latest version.

Best regards,

JAO Operations Team

1. TSO(s)*:
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:
02-11-2024 08:00 - 09:00 2262 MW
02-11-2024 09:00 - 10:00 2262 MW
02-11-2024 10:00 - 11:00 2262 MW
02-11-2024 11:00 - 12:00 2262 MW
02-11-2024 12:00 - 13:00 2262 MW
02-11-2024 13:00 - 14:00 2262 MW
02-11-2024 14:00 - 15:00 2262 MW
02-11-2024 15:00 - 16:00 2262 MW

5. Amount of LTTR remaining after curtailment:
02-11-2024 08:00 - 09:00 1639 MW
02-11-2024 09:00 - 10:00 963 MW
02-11-2024 10:00 - 11:00 465 MW
02-11-2024 11:00 - 12:00 465 MW
02-11-2024 12:00 - 13:00 484 MW
02-11-2024 13:00 - 14:00 484 MW
02-11-2024 14:00 - 15:00 1155 MW
02-11-2024 15:00 - 16:00 1828 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

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

SI-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

02-11-2024 00:00 - 01:00 439 MW

02-11-2024 01:00 - 02:00 439 MW

02-11-2024 02:00 - 03:00 439 MW

02-11-2024 03:00 - 04:00 439 MW

02-11-2024 04:00 - 05:00 439 MW

02-11-2024 05:00 - 06:00 439 MW

02-11-2024 06:00 - 07:00 439 MW

02-11-2024 07:00 - 08:00 439 MW

02-11-2024 08:00 - 09:00 439 MW

02-11-2024 09:00 - 10:00 439 MW

02-11-2024 10:00 - 11:00 439 MW

02-11-2024 11:00 - 12:00 439 MW

02-11-2024 12:00 - 13:00 439 MW

5. Amount of LTTR remaining after curtailment:

02-11-2024 00:00 - 01:00 38 MW

02-11-2024 01:00 - 02:00 38 MW

02-11-2024 02:00 - 03:00 38 MW

02-11-2024 03:00 - 04:00 38 MW

02-11-2024 04:00 - 05:00 38 MW

02-11-2024 05:00 - 06:00 38 MW

02-11-2024 06:00 - 07:00 38 MW

02-11-2024 07:00 - 08:00 38 MW

02-11-2024 08:00 - 09:00 38 MW

02-11-2024 09:00 - 10:00 38 MW

02-11-2024 10:00 - 11:00 38 MW

02-11-2024 11:00 - 12:00 38 MW

02-11-2024 12:00 - 13:00 38 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

Dear Market Participants,

Please note that the 2^nd round of daily auctions for HRRS and HURS are now finalized.

The Allocation Results were sent, as well as the Rights Documents.

Shall you have any questions please let us know.

Kind regards,

JAO Operations

Dear Market Participant,

We wish to inform you that for the below auctions for BD 02/11/2024, the second-round bid submission gate will open at 09:50 and close at 10:05.

Second round created:

HR-RS-D-DAILYPRODU-241102-02

RS-HR-D-DAILYPRODU-241102-02

Please, be aware that at this point pre-bids and default bids will not be considered

Thank you for your understanding.

JAO Operations Team

Dear Market Participant,

We wish to inform you that for the below auctions for BD 02/11/2024, the second-round bid submission gate will open at 09:45 and close at 10:05.

Second round created:

HU-RS-D-DAILYPRODU-241102-02

RS-HU-D-DAILYPRODU-241102-02

Please, be aware that at this point pre-bids and default bids will not be considered

Thank you for your understanding.

JAO Operations Team

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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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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