See Our

Annual Report

Read here

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

Go to Message Board

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
Capacity Curtailment on the SI-IT border for delivery 10-12-2023

Published: 09/12/2023 | 07:38by JAO
Capacity Curtailment on the AT-IT border for delivery 10-12-2023

Published: 09/12/2023 | 07:38by JAO
Capacity Curtailment on the FR-IT border for delivery 10-12-2023

Published: 09/12/2023 | 07:36by JAO
Capacity Curtailment on the CH-IT border for delivery 10-12-2023

Published: 09/12/2023 | 07:36by JAO
Bid-submission gate extended Daily Auction BD 09/12/2023

Published: 08/12/2023 | 09:04by JAO

Go to Message board

1. TSO(s)*:

TERNA

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*:

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

1. TSO(s)*:

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:

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 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*:

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,

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

1. TSO(s)*:

TERNA-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:

10-12-2023 11:00 - 12:00 456 MW

10-12-2023 12:00 - 13:00 456 MW

10-12-2023 13:00 - 14:00 456 MW

5. Amount of LTTR remaining after curtailment:

10-12-2023 11:00 - 12:00 408 MW

10-12-2023 12:00 - 13:00 337 MW

10-12-2023 13:00 - 14:00 333 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:

10-12-2023 12:00 - 13:00 152 MW

10-12-2023 13:00 - 14:00 152 MW

5. Amount of LTTR remaining after curtailment:

10-12-2023 12:00 - 13:00 113 MW

10-12-2023 13:00 - 14:00 109 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-RTE

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:

10-12-2023 04:00 - 05:00 2379 MW

10-12-2023 11:00 - 12:00 2379 MW

10-12-2023 12:00 - 13:00 2379 MW

10-12-2023 13:00 - 14:00 2379 MW

10-12-2023 14:00 - 15:00 2379 MW

5. Amount of LTTR remaining after curtailment:

10-12-2023 04:00 - 05:00 2251 MW

10-12-2023 11:00 - 12:00 2083 MW

10-12-2023 12:00 - 13:00 1730 MW

10-12-2023 13:00 - 14:00 1697 MW

10-12-2023 14:00 - 15:00 2211 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 10-12-2023 on the corridor CH-IT have been curtailed to ensure operation remains within Operational Security Limits.

10-12-2023 00:00 - 01:00 was reduced by 10 %

10-12-2023 01:00 - 02:00 was reduced by 10 %

10-12-2023 02:00 - 03:00 was reduced by 13 %

10-12-2023 03:00 - 04:00 was reduced by 17 %

10-12-2023 04:00 - 05:00 was reduced by 22 %

10-12-2023 05:00 - 06:00 was reduced by 19 %

10-12-2023 06:00 - 07:00 was reduced by 10 %

10-12-2023 11:00 - 12:00 was reduced by 15 %

10-12-2023 12:00 - 13:00 was reduced by 30 %

10-12-2023 13:00 - 14:00 was reduced by 32 %

10-12-2023 14:00 - 15:00 was reduced by 10 %

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 09 Dec. 23: FR-CH, 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.

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