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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

430+

Registered Market Participants
20k+

Auctions per year
100 %

Auction Tool Availability
85

Employees
47

TSOs serviced

Latest market messages

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Bid-submission gate extended Daily Auction BD 11/12/2023

Published: 10/12/2023 | 09:22by JAO
Capacity Curtailment on the IF1 border for delivery 18-12-2023

Published: 10/12/2023 | 07:52by JAO
Capacity Curtailment on the SI-IT border for delivery 11-12-2023

Published: 10/12/2023 | 07:40by JAO
Capacity Curtailment on the CH-IT border for delivery 11-12-2023

Published: 10/12/2023 | 07:36by JAO
Capacity Curtailment on the FR-IT border for delivery 11-12-2023

Published: 10/12/2023 | 07:36by JAO
Capacity Curtailment on the IT<>AT border for delivery 11-12-2023

Published: 09/12/2023 | 16:50by JAO
Bid-submission gate extended Daily Auction BD 10/12/2023

Published: 09/12/2023 | 09:12by JAO

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Dear Market Participants,

In relation with the Market communication sent on 28th of November 2023, we would like to inform you that the bid submission gates of the following DAILY Auctions have been extended:

Daily Auctions for BD 11 Dec. 23: IT-CH, IF1-FR-GB extended by 10 Minutes.

Following the extension of the gates, the Programming Authorizations will be sent with a delay as well.

Best regards,

JAO Operations

1. TSO(s)*:

National Grid Interconnectors Limited (NGIC) and RTE EDF Transport S.A. (RTE)

2. Identification of affected Long Term Transmission Rights:

IF1-FR-GB

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:

18-12-2023 11:00 - 12:00 1450 MW

18-12-2023 12:00 - 13:00 1450 MW

18-12-2023 13:00 - 14:00 1450 MW

18-12-2023 14:00 - 15:00 1450 MW

5. Amount of LTTR remaining after curtailment:

IF1-FR-GB

18-12-2023 11:00 - 12:00 954 MW

18-12-2023 12:00 - 13:00 954 MW

18-12-2023 13:00 - 14:00 954 MW

18-12-2023 14:00 - 15:00 954 MW

IF1-GB-FR

18-12-2023 11:00 - 12:00 968 MW

18-12-2023 12:00 - 13:00 968 MW

18-12-2023 13:00 - 14:00 968 MW

18-12-2023 14:00 - 15:00 968 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 unplanned maintenance

*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)*: 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:

11-12-2023 01:00 - 02:00 456 MW

11-12-2023 02:00 - 03:00 456 MW

11-12-2023 03:00 - 04:00 456 MW

5. Amount of LTTR remaining after curtailment:

11-12-2023 01:00 - 02:00 412 MW

11-12-2023 02:00 - 03:00 405 MW

11-12-2023 03:00 - 04:00 415 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

The long-term allocated capacities for delivery date 11-12-2023 on the corridor CH-IT have been curtailed to ensure operation remains within Operational Security Limits.

11-12-2023 01:00 - 02:00 was reduced by 8 %

11-12-2023 02:00 - 03:00 was reduced by 10 %

11-12-2023 03:00 - 04:00 was reduced by 7 %

11-12-2023 09:00 - 10:00 was reduced by 3 %

11-12-2023 10:00 - 11:00 was reduced by 3 %

11-12-2023 11:00 - 12:00 was reduced by 3 %

11-12-2023 12:00 - 13:00 was reduced by 3 %

11-12-2023 13:00 - 14:00 was reduced by 3 %

11-12-2023 14:00 - 15:00 was reduced by 3 %

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:

11-12-2023 01:00 - 02:00 2379 MW

11-12-2023 02:00 - 03:00 2379 MW

11-12-2023 03:00 - 04:00 2379 MW

5. Amount of LTTR remaining after curtailment:

11-12-2023 01:00 - 02:00 2112 MW

11-12-2023 02:00 - 03:00 2064 MW

11-12-2023 03:00 - 04:00 2139 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 asset

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)*:

TERNA-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:

11-12-2023 13:00 - 14:00 46 MW

11-12-2023 14:00 - 15:00 46 MW

11-12-2023 15:00 - 16:00 46 MW

11-12-2023 16:00 - 17:00 46 MW

11-12-2023 17:00 - 18:00 46 MW

11-12-2023 18:00 - 19:00 46 MW

11-12-2023 19:00 - 20:00 46 MW

11-12-2023 20:00 - 21:00 46 MW

11-12-2023 21:00 - 22:00 46 MW

11-12-2023 22:00 - 23:00 46 MW

11-12-2023 23:00 - 24:00 46 MW

5. Amount of LTTR remaining after curtailment:

11-12-2023 13:00 - 14:00 0 MW

11-12-2023 14:00 - 15:00 0 MW

11-12-2023 15:00 - 16:00 0 MW

11-12-2023 16:00 - 17:00 0 MW

11-12-2023 17:00 - 18:00 0 MW

11-12-2023 18:00 - 19:00 0 MW

11-12-2023 19:00 - 20:00 0 MW

11-12-2023 20:00 - 21:00 0 MW

11-12-2023 21:00 - 22:00 0 MW

11-12-2023 22:00 - 23:00 0 MW

11-12-2023 23:00 - 24:00 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

*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)*:

TERNA-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:

11-12-2023 02:00 - 03:00 152 MW

11-12-2023 13:00 - 14:00 152 MW

11-12-2023 14:00 - 15:00 152 MW

11-12-2023 15:00 - 16:00 152 MW

11-12-2023 16:00 - 17:00 152 MW

11-12-2023 17:00 - 18:00 152 MW

11-12-2023 18:00 - 19:00 152 MW

11-12-2023 19:00 - 20:00 152 MW

11-12-2023 20:00 - 21:00 152 MW

11-12-2023 21:00 - 22:00 152 MW

11-12-2023 22:00 - 23:00 152 MW

11-12-2023 23:00 - 24:00 152 MW

5. Amount of LTTR remaining after curtailment:

11-12-2023 02:00 - 03:00 128 MW

11-12-2023 13:00 - 14:00 0 MW

11-12-2023 14:00 - 15:00 0 MW

11-12-2023 15:00 - 16:00 0 MW

11-12-2023 16:00 - 17:00 0 MW

11-12-2023 17:00 - 18:00 0 MW

11-12-2023 18:00 - 19:00 0 MW

11-12-2023 19:00 - 20:00 0 MW

11-12-2023 20:00 - 21:00 0 MW

11-12-2023 21:00 - 22:00 0 MW

11-12-2023 22:00 - 23:00 0 MW

11-12-2023 23:00 - 24:00 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

*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,

In relation with the Market communication sent on 28^th of November ‘23, we would like to inform you that the bid submission gates of the following DAILY Auctions have been extended:

Daily Auctions for BD 10 Dec. 23: IT-CH, IF1-FR-GB extended by 10 Minutes.

Following the extension of the gates, the Programming Authorizations will be sent with a delay as well.

Best regards,

JAO Operations

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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