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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.

 

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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
OPS
  • 500+
    Registered market participants
  • 26k+
    Auctions held annually
  • 100%
    Auction tool availability
  • 80+
    Employees
  • 50
    TSOs serviced

Latest market messages

Delay in Rights Documents Distribution for NLL ID 00-06 for mkt period 16/02

by JAO

We are currently experiencing technical issues with the distribution of the Rights Documents for the following auctions:

NLL-BE-GB-I-ID0006-260216-01

NLL-GB-BE-I-ID0006-260216-01

We kindly request that you please download the files directly from the Trader UI.

Thank you for your cooperation.

Capacity Curtailment on the GR-IT border for delivery period 17-02-2026

by JAO

1. TSO(s)*:

TERNA

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:

17-02-2026 09:00 - 10:00 500 MW

17-02-2026 10:00 - 11:00 500 MW

17-02-2026 11:00 - 12:00 500 MW

17-02-2026 12:00 - 13:00 500 MW

17-02-2026 13:00 - 14:00 500 MW

17-02-2026 14:00 - 15:00 500 MW

17-02-2026 15:00 - 16:00 500 MW

5. Amount of LTTR remaining after curtailment:

17-02-2026 09:00 - 10:00 0 MW

17-02-2026 10:00 - 11:00 0 MW

17-02-2026 11:00 - 12:00 0 MW

17-02-2026 12:00 - 13:00 0 MW

17-02-2026 13:00 - 14:00 0 MW

17-02-2026 14:00 - 15:00 0 MW

17-02-2026 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*:
HVDC cable ARACTHOS – GALATINA

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

Capacity Curtailment on the IT-ME border for delivery period 17-02-2026

by JAO

1. TSO(s)*:

TERNA

2. Identification of affected Long Term Transmission Rights:

IT-ME

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

17-02-2026 07:00 - 08:00 400 MW

17-02-2026 08:00 - 09:00 400 MW

17-02-2026 09:00 - 10:00 400 MW

17-02-2026 10:00 - 11:00 400 MW

17-02-2026 11:00 - 12:00 400 MW

17-02-2026 12:00 - 13:00 400 MW

17-02-2026 13:00 - 14:00 400 MW

17-02-2026 14:00 - 15:00 400 MW

17-02-2026 15:00 - 16:00 400 MW

17-02-2026 16:00 - 17:00 400 MW

5. Amount of LTTR remaining after curtailment:

17-02-2026 07:00 - 08:00 0 MW

17-02-2026 08:00 - 09:00 0 MW

17-02-2026 09:00 - 10:00 0 MW

17-02-2026 10:00 - 11:00 0 MW

17-02-2026 11:00 - 12:00 0 MW

17-02-2026 12:00 - 13:00 0 MW

17-02-2026 13:00 - 14:00 0 MW

17-02-2026 14:00 - 15:00 0 MW

17-02-2026 15:00 - 16:00 0 MW

17-02-2026 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 *:

HVDC Monita

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

Capacity Curtailment on the ME-IT border for delivery period 17-02-2026

by JAO

1. TSO(s)*:

TERNA

2. Identification of affected Long Term Transmission Rights:

ME-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

17-02-2026 07:00 - 08:00 399 MW

17-02-2026 08:00 - 09:00 399 MW

17-02-2026 09:00 - 10:00 399 MW

17-02-2026 10:00 - 11:00 399 MW

17-02-2026 11:00 - 12:00 399 MW

17-02-2026 12:00 - 13:00 399 MW

17-02-2026 13:00 - 14:00 399 MW

17-02-2026 14:00 - 15:00 399 MW

17-02-2026 15:00 - 16:00 399 MW

17-02-2026 16:00 - 17:00 399 MW

5. Amount of LTTR remaining after curtailment:

17-02-2026 07:00 - 08:00 0 MW

17-02-2026 08:00 - 09:00 0 MW

17-02-2026 09:00 - 10:00 0 MW

17-02-2026 10:00 - 11:00 0 MW

17-02-2026 11:00 - 12:00 0 MW

17-02-2026 12:00 - 13:00 0 MW

17-02-2026 13:00 - 14:00 0 MW

17-02-2026 14:00 - 15:00 0 MW

17-02-2026 15:00 - 16:00 0 MW

17-02-2026 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 *:

HVDC Monita

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

Capacity Curtailment on the IT-ME border for delivery period 16-02-2026

by JAO

1. TSO(s)*:

Terna

2. Identification of affected Long Term Transmission Rights:

IT-ME

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

16-02-2026 07:00 - 08:00 400 MW

16-02-2026 08:00 - 09:00 400 MW

16-02-2026 09:00 - 10:00 400 MW

16-02-2026 10:00 - 11:00 400 MW

16-02-2026 11:00 - 12:00 400 MW

16-02-2026 12:00 - 13:00 400 MW

16-02-2026 13:00 - 14:00 400 MW

16-02-2026 14:00 - 15:00 400 MW

16-02-2026 15:00 - 16:00 400 MW

16-02-2026 16:00 - 17:00 400 MW

5. Amount of LTTR remaining after curtailment:

16-02-2026 07:00 - 08:00 0 MW

16-02-2026 08:00 - 09:00 0 MW

16-02-2026 09:00 - 10:00 0 MW

16-02-2026 10:00 - 11:00 0 MW

16-02-2026 11:00 - 12:00 0 MW

16-02-2026 12:00 - 13:00 0 MW

16-02-2026 13:00 - 14:00 0 MW

16-02-2026 14:00 - 15:00 0 MW

16-02-2026 15:00 - 16:00 0 MW

16-02-2026 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 *:

HVDC Monita

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

Capacity Curtailment on the ME-IT border for delivery period 16-02-2026

by JAO

1. TSO(s)*:

TERNA

2. Identification of affected Long Term Transmission Rights:

ME-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

16-02-2026 07:00 - 08:00 399 MW

16-02-2026 08:00 - 09:00 399 MW

16-02-2026 09:00 - 10:00 399 MW

16-02-2026 10:00 - 11:00 399 MW

16-02-2026 11:00 - 12:00 399 MW

16-02-2026 12:00 - 13:00 399 MW

16-02-2026 13:00 - 14:00 399 MW

16-02-2026 14:00 - 15:00 399 MW

16-02-2026 15:00 - 16:00 399 MW

16-02-2026 16:00 - 17:00 399 MW

5. Amount of LTTR remaining after curtailment:

16-02-2026 07:00 - 08:00 0 MW

16-02-2026 08:00 - 09:00 0 MW

16-02-2026 09:00 - 10:00 0 MW

16-02-2026 10:00 - 11:00 0 MW

16-02-2026 11:00 - 12:00 0 MW

16-02-2026 12:00 - 13:00 0 MW

16-02-2026 13:00 - 14:00 0 MW

16-02-2026 14:00 - 15:00 0 MW

16-02-2026 15:00 - 16:00 0 MW

16-02-2026 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 *:

HVDC Monita

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

Capacity Curtailment on the AT-CZ border for delivery period 15-02-2026

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

AT-CZ

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

15-02-2026 00:00 - 01:00 349 MW

15-02-2026 01:00 - 02:00 349 MW

15-02-2026 02:00 - 03:00 349 MW

15-02-2026 03:00 - 04:00 349 MW

15-02-2026 04:00 - 05:00 349 MW

15-02-2026 05:00 - 06:00 349 MW

15-02-2026 06:00 - 07:00 349 MW

15-02-2026 07:00 - 08:00 349 MW

15-02-2026 08:00 - 09:00 349 MW

15-02-2026 09:00 - 10:00 349 MW

5. Amount of LTTR remaining after curtailment:

15-02-2026 00:00 - 01:00 212 MW

15-02-2026 01:00 - 02:00 221 MW

15-02-2026 02:00 - 03:00 204 MW

15-02-2026 03:00 - 04:00 225 MW

15-02-2026 04:00 - 05:00 225 MW

15-02-2026 05:00 - 06:00 207 MW

15-02-2026 06:00 - 07:00 204 MW

15-02-2026 07:00 - 08:00 168 MW

15-02-2026 08:00 - 09:00 116 MW

15-02-2026 09:00 - 10:00 155 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.

 

Our certifications

JAO has successfully implemented internationally recognized management systems and is now officially certified for ISO/IEC 27001:2022 – the global standard for Information Security Management Systems and for ISO 9001 – the international standard for Quality Management Systems. 

ISO
IT

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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Frequently asked questions

Check out the common questions and our answers on how to use the auction platform.

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