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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

Urgent Market Update: 2nd round created for CH-AT-D-DAILYPRODU-261025-02 and AT-CH-D-DAILYPRODU-261025-02 for Market Period 25/10/2026 opening at 09:20

by JAO

Please note that the 2nd round of the daily auction for the corridor AT-CH with auction ID CH-AT-D-DAILYPRODU-261025-02 and AT-CH-D-DAILYPRODU-261025-02  has opened today at 09:20 and will close at 09:45.

Please note that the Default Bids will not be taken into consideration, thank your understanding.

Kind regards,

JAO Operations

Urgent Market Update: Cancellation of AT-CH-D-DAILYPRODU-261025-01 and CH-AT-D-DAILYPRODU-261025-01 for Market Period 25/10/2026

by JAO

As per TSO request, the AT-CH Daily Auction for market period 25/10/2026 with the auction AT-CH-D-DAILYPRODU-261025-01 and CH-AT-D-DAILYPRODU-261025-01 has been cancelled.

Capacity Curtailment on the GR-IT border for delivery period 25-10-2026

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:

25-10-2026 09:00 - 10:00 500 MW

25-10-2026 10:00 - 11:00 500 MW

25-10-2026 11:00 - 12:00 500 MW

25-10-2026 12:00 - 13:00 500 MW

25-10-2026 13:00 - 14:00 500 MW

25-10-2026 14:00 - 15:00 500 MW

5. Amount of LTTR remaining after curtailment:

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
 

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

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

by JAO

1. TSO(s)*:

RTE, REE

2. Identification of affected Long Term Transmission Rights:

ES-FR

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

25-10-2026 09:00 - 10:00 1030 MW

25-10-2026 10:00 - 11:00 1030 MW

25-10-2026 11:00 - 12:00 1030 MW

25-10-2026 12:00 - 13:00 1030 MW

25-10-2026 13:00 - 14:00 1030 MW

25-10-2026 14:00 - 15:00 1030 MW

25-10-2026 15:00 - 16:00 1030 MW

25-10-2026 16:00 - 17:00 1030 MW

25-10-2026 17:00 - 18:00 1030 MW

5. Amount of LTTR remaining after curtailment:

25-10-2026 09:00 - 10:00 769 MW

25-10-2026 10:00 - 11:00 769 MW

25-10-2026 11:00 - 12:00 274 MW

25-10-2026 12:00 - 13:00 274 MW

25-10-2026 13:00 - 14:00 274 MW

25-10-2026 14:00 - 15:00 274 MW

25-10-2026 15:00 - 16:00 274 MW

25-10-2026 16:00 - 17:00 769 MW

25-10-2026 17:00 - 18:00 769 MW

6. Information on exact operational limit(s) that are expected to be violated in the absence of curtailment :

   25/10/2026

      09:00-10:00 Dambron - Verger

      10:00-11:00 Dambron - Verger

      11:00-12:00 Dambron - Verger

      12:00-13:00 Dambron - Verger

      13:00-14:00 Dambron - Verger

      14:00-15:00 Dambron - Verger

      15:00-16:00 Dambron - Verger

      16:00-17:00 Dambron - Verger

      17:00-18:00 Dambron - Verger

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

   The available remedial actions were assessed as insufficient or ineffective to avoid the violation of operational security limits

Credit limit check disabled for intraday auctions for BD 24/10/2026 and BD 25/10/2026

by JAO

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

CH-IT-I-HOURLY1224-261024-01
EL1-FR-GB-I-ID1824-261024-01
EL1-GB-FR-I-ID1824-261024-01
IT-CH-I-HOURLY1224-261024-01
NLL-BE-GB-I-ID1218-261024-01
NLL-BE-GB-I-ID1824-261024-01
NLL-GB-BE-I-ID1218-261024-01
NLL-GB-BE-I-ID1824-261024-01

Thank you for your understanding.

Kind regards,

JAO Operations

Credit limit check disabled for daily auctions for BD 25/10/2026 and BD 26/10/2026

by JAO

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

AT-CH-D-DAILYPRODU-261025-01

CH-AT-D-DAILYPRODU-261025-01

BG-RS-D-DAILYPRODU-261025-01

RS-BG-D-DAILYPRODU-261025-01

CH-DE-D-DAILYPRODU-261025-01

DE-CH-D-DAILYPRODU-261025-01

CH-FR-D-DAILYPRODU-261025-01

FR-CH-D-DAILYPRODU-261025-01

CH-IT-D-DAILYPRODU-261025-01

IT-CH-D-DAILYPRODU-261025-01

EL1-FR-GB-D-DAILY--261025-01

EL1-GB-FR-D-DAILY--261025-01

HR-RS-D-DAILYPRODU-261025-01

RS-HR-D-DAILYPRODU-261025-01

HU-RS-D-DAILYPRODU-261025-01

RS-HU-D-DAILYPRODU-261025-01

HU-UA-D-DAILYPRODU-261025-01

UA-HU-D-DAILYPRODU-261025-01

IF1-FR-GB-D-DAILY--261025-01

IF1-GB-FR-D-DAILY--261025-01

IF2-FR-GB-D-DAILY--261025-01

IF2-GB-FR-D-DAILY--261025-01

NLL-BE-GB-D-DAILY--261025-01

NLL-GB-BE-D-DAILY--261025-01

SK-UA-D-DAILYPRODU-261025-01

UA-SK-D-DAILYPRODU-261025-01

VKL-D1-GB-D-DAILY--261025-01

VKL-GB-D1-D-DAILY--261025-01

Thank you for your understanding.

Kind regards,

JAO Operations

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.

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.

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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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