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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 GR-IT border for delivery 11-05-2024

Published: 10/05/2024 | 07:52by JAO
Capacity Curtailment on the IT-GR border for delivery 12-05-2024

Published: 10/05/2024 | 07:48by JAO
Capacity Curtailment on the IT-GR border for delivery 11-05-2024

Published: 10/05/2024 | 07:46by JAO
Capacity Curtailment on the SI-IT border for delivery 11-05-2024

Published: 10/05/2024 | 07:46by JAO
Capacity Curtailment on the CH-IT border for delivery 11-05-2024

Published: 10/05/2024 | 07:44by JAO
Capacity Curtailment on the FR-IT border for delivery 11-05-2024

Published: 10/05/2024 | 07:30by JAO
Capacity Curtailment on the AT-IT border for delivery 11-05-2024

Published: 10/05/2024 | 07:30by JAO

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1. TSO(s)*: Terna-HTSO

2. Identification of affected Long Term Transmission Rights:

GR-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

11-05-2024 11:00 - 12:00 500 MW

11-05-2024 12:00 - 13:00 500 MW

11-05-2024 13:00 - 14:00 500 MW

11-05-2024 14:00 - 15:00 500 MW

11-05-2024 15:00 - 16:00 500 MW

11-05-2024 16:00 - 17:00 500 MW

5. Amount of LTTR remaining after curtailment:

11-05-2024 11:00 - 12:00 0 MW

11-05-2024 12:00 - 13:00 0 MW

11-05-2024 13:00 - 14:00 0 MW

11-05-2024 14:00 - 15:00 0 MW

11-05-2024 15:00 - 16:00 0 MW

11-05-2024 16:00 - 17:00 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)*:

2. Identification of affected Long Term Transmission Rights:

IT-GR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

12-05-2024 09:00 - 10:00 500 MW

12-05-2024 10:00 - 11:00 500 MW

12-05-2024 11:00 - 12:00 500 MW

12-05-2024 12:00 - 13:00 500 MW

12-05-2024 13:00 - 14:00 500 MW

12-05-2024 14:00 - 15:00 500 MW

12-05-2024 15:00 - 16:00 500 MW

5. Amount of LTTR remaining after curtailment:

12-05-2024 09:00 - 10:00 0 MW

12-05-2024 10:00 - 11:00 0 MW

12-05-2024 11:00 - 12:00 0 MW

12-05-2024 12:00 - 13:00 0 MW

12-05-2024 13:00 - 14:00 0 MW

12-05-2024 14:00 - 15:00 0 MW

12-05-2024 15:00 - 16:00 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)*:

2. Identification of affected Long Term Transmission Rights:

IT-GR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

11-05-2024 09:00 - 10:00 500 MW

11-05-2024 10:00 - 11:00 500 MW

11-05-2024 11:00 - 12:00 500 MW

11-05-2024 12:00 - 13:00 500 MW

11-05-2024 13:00 - 14:00 500 MW

11-05-2024 14:00 - 15:00 500 MW

11-05-2024 15:00 - 16:00 500 MW

5. Amount of LTTR remaining after curtailment:

11-05-2024 09:00 - 10:00 0 MW

11-05-2024 10:00 - 11:00 0 MW

11-05-2024 11:00 - 12:00 0 MW

11-05-2024 12:00 - 13:00 0 MW

11-05-2024 13:00 - 14:00 0 MW

11-05-2024 14:00 - 15:00 0 MW

11-05-2024 15:00 - 16:00 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)*:

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:

11-05-2024 10:00 - 11:00 60 MW

11-05-2024 11:00 - 12:00 60 MW

11-05-2024 12:00 - 13:00 60 MW

11-05-2024 13:00 - 14:00 60 MW

11-05-2024 14:00 - 15:00 60 MW

11-05-2024 15:00 - 16:00 60 MW

11-05-2024 16:00 - 17:00 60 MW

5. Amount of LTTR remaining after curtailment:

11-05-2024 10:00 - 11:00 35 MW

11-05-2024 11:00 - 12:00 0 MW

11-05-2024 12:00 - 13:00 0 MW

11-05-2024 13:00 - 14:00 0 MW

11-05-2024 14:00 - 15:00 0 MW

11-05-2024 15:00 - 16:00 0 MW

11-05-2024 16:00 - 17:00 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)*:

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:

11-05-2024 10:00 - 11:00 288 MW

11-05-2024 11:00 - 12:00 288 MW

11-05-2024 12:00 - 13:00 288 MW

11-05-2024 13:00 - 14:00 288 MW

11-05-2024 14:00 - 15:00 288 MW

11-05-2024 15:00 - 16:00 288 MW

11-05-2024 16:00 - 17:00 288 MW

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

11-05-2024 10:00 - 11:00 98 MW

11-05-2024 11:00 - 12:00 0 MW

11-05-2024 12:00 - 13:00 0 MW

11-05-2024 13:00 - 14:00 0 MW

11-05-2024 14:00 - 15:00 0 MW

11-05-2024 15:00 - 16:00 0 MW

11-05-2024 16:00 - 17:00 0 MW

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:

11-05-2024 10:00 - 11:00 430 MW

11-05-2024 11:00 - 12:00 430 MW

11-05-2024 12:00 - 13:00 430 MW

11-05-2024 13:00 - 14:00 430 MW

11-05-2024 14:00 - 15:00 430 MW

11-05-2024 15:00 - 16:00 430 MW

11-05-2024 16:00 - 17:00 430 MW

5. Amount of LTTR remaining after curtailment:

11-05-2024 10:00 - 11:00 271 MW

11-05-2024 11:00 - 12:00 0 MW

11-05-2024 12:00 - 13:00 0 MW

11-05-2024 13:00 - 14:00 0 MW

11-05-2024 14:00 - 15:00 0 MW

11-05-2024 15:00 - 16:00 0 MW

11-05-2024 16:00 - 17:00 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)*?

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:

11-05-2024 10:00 - 11:00 65 MW

11-05-2024 11:00 - 12:00 65 MW

11-05-2024 12:00 - 13:00 65 MW

11-05-2024 13:00 - 14:00 65 MW

11-05-2024 14:00 - 15:00 65 MW

11-05-2024 15:00 - 16:00 65 MW

11-05-2024 16:00 - 17:00 65 MW

5. Amount of LTTR remaining after curtailment:

11-05-2024 10:00 - 11:00 32 MW

11-05-2024 11:00 - 12:00 0 MW

11-05-2024 12:00 - 13:00 0 MW

11-05-2024 13:00 - 14:00 0 MW

11-05-2024 14:00 - 15:00 0 MW

11-05-2024 15:00 - 16:00 0 MW

11-05-2024 16:00 - 17:00 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

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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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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