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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

Publication Tool Nordic CCR temporary unavailability

by JAO

Due to technical issue, the Publication Tool Nordic CCR is temporary unavailable.
We expect it to be available again around 7:00AM on 24/10/2026.

Thanks for your understanding.

Credit limit check disabled for early morning auctions

by JAO

Please note that due to unforeseen events, the Credit Limit check had to be disabled for the below Auctions:

NLL-BE-GB-I-ID0612-261024-01

NLL-GB-BE-I-ID0612-261024-01

EL1-FR-GB-I-ID0818-261024-01

EL1-GB-FR-I-ID0818-261024-01

IF1-FR-GB-I-ID0816-261024-01

IF1-GB-FR-I-ID0816-261024-01

Thank you for your understanding.

Kind regards,

JAO Operations

Credit limit check disabled for NLL-BE-GB-I-ID0006-261024-01 / NLL-GB-BE-I-ID0006-261024-01

by JAO

Please note that due to unforeseen events, the Credit Limit check had to be disabled for the below Auctions:

NLL-BE-GB-I-ID0006-261024-01

NLL-GB-BE-I-ID0006-261024-01

Thank you for your understanding.

Kind regards,

JAO Operations

Capacity Curtailment on the FR-CH border for delivery period 25-10-2026

by JAO

1. TSO(s)*:

RTE, SWISSGRID

2. Identification of affected Long Term Transmission Rights:

FR-CH

3. Triggering event:

Curtailment due to Curtailment to ensure operation remains within Operational Security Limits

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

25-10-2026 00:00 - 01:00 370 MW

25-10-2026 01:00 - 02:00 370 MW

25-10-2026 02:00 - 03:00 370 MW

25-10-2026 02:00 - 03:00 370 MW

25-10-2026 03:00 - 04:00 370 MW

25-10-2026 04:00 - 05:00 370 MW

25-10-2026 05:00 - 06:00 370 MW

25-10-2026 06:00 - 07:00 370 MW

25-10-2026 07:00 - 08:00 370 MW

25-10-2026 08:00 - 09:00 370 MW

25-10-2026 09:00 - 10:00 370 MW

25-10-2026 10:00 - 11:00 370 MW

25-10-2026 11:00 - 12:00 370 MW

25-10-2026 12:00 - 13:00 370 MW

25-10-2026 13:00 - 14:00 370 MW

25-10-2026 14:00 - 15:00 370 MW

25-10-2026 15:00 - 16:00 370 MW

25-10-2026 16:00 - 17:00 370 MW

25-10-2026 17:00 - 18:00 370 MW

25-10-2026 18:00 - 19:00 370 MW

25-10-2026 19:00 - 20:00 370 MW

25-10-2026 20:00 - 21:00 370 MW

25-10-2026 21:00 - 22:00 370 MW

25-10-2026 22:00 - 23:00 370 MW

25-10-2026 23:00 - 24:00 370 MW

5. Amount of LTTR remaining after curtailment:

25-10-2026 00:00 - 01:00 0 MW

25-10-2026 01:00 - 02:00 0 MW

25-10-2026 02:00 - 03:00 0 MW

25-10-2026 02:00 - 03:00 0 MW

25-10-2026 03:00 - 04:00 0 MW

25-10-2026 04:00 - 05:00 0 MW

25-10-2026 05:00 - 06:00 0 MW

25-10-2026 06:00 - 07:00 0 MW

25-10-2026 07:00 - 08:00 0 MW

25-10-2026 08:00 - 09:00 0 MW

25-10-2026 09:00 - 10:00 0 MW

25-10-2026 10:00 - 11:00 0 MW

25-10-2026 11:00 - 12:00 0 MW

25-10-2026 12:00 - 13:00 0 MW

25-10-2026 13:00 - 14:00 0 MW

25-10-2026 14:00 - 15:00 0 MW

25-10-2026 15:00 - 16:00 0 MW

25-10-2026 16:00 - 17:00 0 MW

25-10-2026 17:00 - 18:00 0 MW

25-10-2026 18:00 - 19:00 0 MW

25-10-2026 19:00 - 20:00 0 MW

25-10-2026 20:00 - 21:00 0 MW

25-10-2026 21:00 - 22:00 0 MW

25-10-2026 22:00 - 23:00 0 MW

25-10-2026 23:00 - 24:00 0 MW

Capacity Curtailment on the IF1-FR-GB and IF1-GB-FR border for delivery period 26-11-2026

by JAO

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:

26-11-2026 00:00 - 01:00 1200 MW

26-11-2026 01:00 - 02:00 1200 MW

26-11-2026 02:00 - 03:00 1200 MW

26-11-2026 03:00 - 04:00 1200 MW

26-11-2026 04:00 - 05:00 1200 MW

26-11-2026 05:00 - 06:00 1200 MW

26-11-2026 06:00 - 07:00 1200 MW

26-11-2026 07:00 - 08:00 1200 MW

26-11-2026 08:00 - 09:00 1200 MW

26-11-2026 09:00 - 10:00 1200 MW

26-11-2026 10:00 - 11:00 1200 MW

26-11-2026 11:00 - 12:00 1200 MW

26-11-2026 12:00 - 13:00 1200 MW

26-11-2026 13:00 - 14:00 1200 MW

26-11-2026 14:00 - 15:00 1200 MW

26-11-2026 15:00 - 16:00 1200 MW

26-11-2026 16:00 - 17:00 1200 MW

26-11-2026 17:00 - 18:00 1200 MW

26-11-2026 18:00 - 19:00 1200 MW

5. Amount of LTTR remaining after curtailment:

26-11-2026 00:00 - 01:00 966 MW

26-11-2026 01:00 - 02:00 966 MW

26-11-2026 02:00 - 03:00 966 MW

26-11-2026 03:00 - 04:00 966 MW

26-11-2026 04:00 - 05:00 966 MW

26-11-2026 05:00 - 06:00 966 MW

26-11-2026 06:00 - 07:00 966 MW

26-11-2026 07:00 - 08:00 966 MW

26-11-2026 08:00 - 09:00 966 MW

26-11-2026 09:00 - 10:00 966 MW

26-11-2026 10:00 - 11:00 966 MW

26-11-2026 11:00 - 12:00 966 MW

26-11-2026 12:00 - 13:00 966 MW

26-11-2026 13:00 - 14:00 966 MW

26-11-2026 14:00 - 15:00 966 MW

26-11-2026 15:00 - 16:00 966 MW

26-11-2026 16:00 - 17:00 966 MW

26-11-2026 17:00 - 18:00 966 MW

26-11-2026 18:00 - 19:00 966 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 planned maintenance

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

Capacity Curtailment on the IF1-GB-FR and IF1-FR-GB border for delivery period from 14-11-2026 until 22-11-2026

by JAO

1. TSO(s)*:

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

2. Identification of affected Long Term Transmission Rights:

IF1-GB-FR & IF1-FR-GB

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

From 14-11-2026 to 22-11-2026

00:00 - 01:00 1200 MW

01:00 - 02:00 1200 MW

02:00 - 03:00 1200 MW

03:00 - 04:00 1200 MW

04:00 - 05:00 1200 MW

05:00 - 06:00 1200 MW

06:00 - 07:00 1200 MW

07:00 - 08:00 1200 MW

08:00 - 09:00 1200 MW

09:00 - 10:00 1200 MW

10:00 - 11:00 1200 MW

11:00 - 12:00 1200 MW

12:00 - 13:00 1200 MW

13:00 - 14:00 1200 MW

14:00 - 15:00 1200 MW

15:00 - 16:00 1200 MW

16:00 - 17:00 1200 MW

17:00 - 18:00 1200 MW

18:00 - 19:00 1200 MW

19:00 - 20:00 1200 MW

20:00 - 21:00 1200 MW

21:00 - 22:00 1200 MW

22:00 - 23:00 1200 MW

23:00 - 24:00 1200 MW

5. Amount of LTTR remaining after curtailment:

From 14-11-2026 to 22-11-2026

00:00 - 01:00 966 MW

01:00 - 02:00 966 MW

02:00 - 03:00 966 MW

03:00 - 04:00 966 MW

04:00 - 05:00 966 MW

05:00 - 06:00 966 MW

06:00 - 07:00 966 MW

07:00 - 08:00 966 MW

08:00 - 09:00 966 MW

09:00 - 10:00 966 MW

10:00 - 11:00 966 MW

11:00 - 12:00 966 MW

12:00 - 13:00 966 MW

13:00 - 14:00 966 MW

14:00 - 15:00 966 MW

15:00 - 16:00 966 MW

16:00 - 17:00 966 MW

17:00 - 18:00 966 MW

18:00 - 19:00 966 MW

19:00 - 20:00 966 MW

20:00 - 21:00 966 MW

21:00 - 22:00 966 MW

22:00 - 23:00 966 MW

23:00 - 24:00 966 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 planned maintenance

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication, no IDA1 publication data will be available in the CORE ID CCR Publication Tool

Capacity Curtailment on the IF1-GB-FR and IF1-FR-GB border for delivery period 23-11-2026 - 26-11-2026

by JAO

1. TSO(s)*:

NGIC

2. Identification of affected Long Term Transmission Rights:

IF1-GB-FR & IF1-FR-GB
 

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

00:00 - 01:00 1200 MW

01:00 - 02:00 1200 MW

02:00 - 03:00 1200 MW

03:00 - 04:00 1200 MW

04:00 - 05:00 1200 MW

 05:00 - 06:00 1200 MW

06:00 - 07:00 1200 MW

07:00 - 08:00 1200 MW

08:00 - 09:00 1200 MW

09:00 - 10:00 1200 MW

10:00 - 11:00 1200 MW

11:00 - 12:00 1200 MW

 12:00 - 13:00 1200 MW

 13:00 - 14:00 1200 MW

 14:00 - 15:00 1200 MW

 15:00 - 16:00 1200 MW

16:00 - 17:00 1200 MW

 17:00 - 18:00 1200 MW

23-11-2026 18:00 - 19:00 1200 MW

 19:00 - 20:00 1200 MW

 20:00 - 21:00 1200 MW

 21:00 - 22:00 1200 MW

 22:00 - 23:00 1200 MW

23:00 - 24:00 1200 MW

5. Amount of LTTR remaining after curtailment:

 00:00 - 01:00 966 MW

 01:00 - 02:00 966 MW

02:00 - 03:00 966 MW

03:00 - 04:00 966 MW

 04:00 - 05:00 966 MW

 05:00 - 06:00 966 MW

06:00 - 07:00 966 MW

07:00 - 08:00 966 MW

08:00 - 09:00 966 MW

 09:00 - 10:00 966 MW

 10:00 - 11:00 966 MW

 11:00 - 12:00 966 MW

12:00 - 13:00 966 MW

13:00 - 14:00 966 MW

 14:00 - 15:00 966 MW

 15:00 - 16:00 966 MW

 16:00 - 17:00 966 MW

17:00 - 18:00 966 MW

18:00 - 19:00 966 MW

19:00 - 20:00 966 MW

20:00 - 21:00 966 MW

21:00 - 22:00 966 MW

22:00 - 23:00 966 MW

23:00 - 24:00 966 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 planned maintenance

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. 

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.

Get to know us
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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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