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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

Cancellation of IT<>ME Auctions for Market Period 02/01/2026

by JAO

As per TSO request, and due to erroneous Offered Capacity, the following auctions have been cancelled for market period 02/01/2026

IT-ME-D-DAILYPRODU-260102-01

ME-IT-D-DAILYPRODU-260102-01

There will be no other rounds for these auctions.

Urgent Market Update: Delay of UA<>SK and UA<>HU for Market Period 02/01/2026

by JAO

Please note that the Daily Auctions for market period 02/01/2026 with the auction IDs below have been delayed.

Bid submission gate opens at 10:00 and close at 10:30

UA-SK-D-DAILYPRODU-260102-01

SK-UA-D-DAILYPRODU-260102-01

UA-HU-D-DAILYPRODU-260102-01

HU-UA-D-DAILYPRODU-260102-01

Capacity Curtailment on the CH-IT border for delivery period 02-01-2026

by JAO

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

02-01-2026 00:00 - 01:00 2349 MW

02-01-2026 01:00 - 02:00 2349 MW

02-01-2026 02:00 - 03:00 2349 MW

02-01-2026 03:00 - 04:00 2349 MW

02-01-2026 04:00 - 05:00 2349 MW

02-01-2026 05:00 - 06:00 2349 MW

02-01-2026 06:00 - 07:00 2349 MW

02-01-2026 07:00 - 08:00 2349 MW

02-01-2026 08:00 - 09:00 2786 MW

02-01-2026 09:00 - 10:00 2786 MW

02-01-2026 10:00 - 11:00 2786 MW

02-01-2026 11:00 - 12:00 2786 MW

02-01-2026 12:00 - 13:00 2786 MW

02-01-2026 13:00 - 14:00 2786 MW

02-01-2026 14:00 - 15:00 2786 MW

02-01-2026 15:00 - 16:00 2786 MW

02-01-2026 16:00 - 17:00 2786 MW

02-01-2026 17:00 - 18:00 2786 MW

02-01-2026 18:00 - 19:00 2786 MW

02-01-2026 19:00 - 20:00 2786 MW

02-01-2026 20:00 - 21:00 2349 MW

02-01-2026 21:00 - 22:00 2349 MW

02-01-2026 22:00 - 23:00 2349 MW

02-01-2026 23:00 - 24:00 2349 MW

5. Amount of LTTR remaining after curtailment:

02-01-2026 00:00 - 01:00 1714 MW

02-01-2026 01:00 - 02:00 1714 MW

02-01-2026 02:00 - 03:00 1714 MW

02-01-2026 03:00 - 04:00 1714 MW

02-01-2026 04:00 - 05:00 1714 MW

02-01-2026 05:00 - 06:00 1714 MW

02-01-2026 06:00 - 07:00 1714 MW

02-01-2026 07:00 - 08:00 1780 MW

02-01-2026 08:00 - 09:00 1786 MW

02-01-2026 09:00 - 10:00 1786 MW

02-01-2026 10:00 - 11:00 1786 MW

02-01-2026 11:00 - 12:00 1838 MW

02-01-2026 12:00 - 13:00 1934 MW

02-01-2026 13:00 - 14:00 1934 MW

02-01-2026 14:00 - 15:00 1978 MW

02-01-2026 15:00 - 16:00 2067 MW

02-01-2026 16:00 - 17:00 2113 MW

02-01-2026 17:00 - 18:00 2113 MW

02-01-2026 18:00 - 19:00 2167 MW

02-01-2026 19:00 - 20:00 2255 MW

02-01-2026 20:00 - 21:00 2112 MW

02-01-2026 21:00 - 22:00 2061 MW

02-01-2026 22:00 - 23:00 2182 MW

02-01-2026 23:00 - 24:00 2156 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

Capacity Curtailment on the SI-IT border for delivery period 02-01-2026

by JAO

1. TSO(s)*:

TERNA, RTE, APG. SWG, 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:

02-01-2026 00:00 - 01:00 310 MW

02-01-2026 01:00 - 02:00 310 MW

02-01-2026 02:00 - 03:00 310 MW

02-01-2026 03:00 - 04:00 310 MW

02-01-2026 04:00 - 05:00 310 MW

02-01-2026 05:00 - 06:00 310 MW

02-01-2026 06:00 - 07:00 310 MW

02-01-2026 07:00 - 08:00 310 MW

02-01-2026 08:00 - 09:00 310 MW

02-01-2026 09:00 - 10:00 310 MW

02-01-2026 10:00 - 11:00 310 MW

02-01-2026 11:00 - 12:00 310 MW

02-01-2026 12:00 - 13:00 310 MW

02-01-2026 13:00 - 14:00 310 MW

02-01-2026 14:00 - 15:00 310 MW

02-01-2026 15:00 - 16:00 310 MW

02-01-2026 16:00 - 17:00 310 MW

02-01-2026 17:00 - 18:00 310 MW

02-01-2026 18:00 - 19:00 310 MW

02-01-2026 19:00 - 20:00 310 MW

02-01-2026 20:00 - 21:00 310 MW

02-01-2026 21:00 - 22:00 310 MW

02-01-2026 22:00 - 23:00 310 MW

02-01-2026 23:00 - 24:00 310 MW

5. Amount of LTTR remaining after curtailment:

02-01-2026 00:00 - 01:00 126 MW

02-01-2026 01:00 - 02:00 126 MW

02-01-2026 02:00 - 03:00 126 MW

02-01-2026 03:00 - 04:00 115 MW

02-01-2026 04:00 - 05:00 115 MW

02-01-2026 05:00 - 06:00 115 MW

02-01-2026 06:00 - 07:00 115 MW

02-01-2026 07:00 - 08:00 134 MW

02-01-2026 08:00 - 09:00 134 MW

02-01-2026 09:00 - 10:00 125 MW

02-01-2026 10:00 - 11:00 125 MW

02-01-2026 11:00 - 12:00 127 MW

02-01-2026 12:00 - 13:00 136 MW

02-01-2026 13:00 - 14:00 136 MW

02-01-2026 14:00 - 15:00 149 MW

02-01-2026 15:00 - 16:00 136 MW

02-01-2026 16:00 - 17:00 148 MW

02-01-2026 17:00 - 18:00 148 MW

02-01-2026 18:00 - 19:00 150 MW

02-01-2026 19:00 - 20:00 155 MW

02-01-2026 20:00 - 21:00 149 MW

02-01-2026 21:00 - 22:00 148 MW

02-01-2026 22:00 - 23:00 150 MW

02-01-2026 23:00 - 24:00 159 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 AT-IT border for delivery period 02-01-2026

by JAO

1. TSO(s)*:

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:

02-01-2026 00:00 - 01:00 224 MW

02-01-2026 01:00 - 02:00 224 MW

02-01-2026 02:00 - 03:00 224 MW

02-01-2026 03:00 - 04:00 224 MW

02-01-2026 04:00 - 05:00 224 MW

02-01-2026 05:00 - 06:00 224 MW

02-01-2026 06:00 - 07:00 224 MW

02-01-2026 07:00 - 08:00 224 MW

02-01-2026 08:00 - 09:00 224 MW

02-01-2026 09:00 - 10:00 224 MW

02-01-2026 10:00 - 11:00 224 MW

02-01-2026 11:00 - 12:00 224 MW

02-01-2026 12:00 - 13:00 224 MW

02-01-2026 13:00 - 14:00 224 MW

02-01-2026 14:00 - 15:00 224 MW

02-01-2026 15:00 - 16:00 224 MW

02-01-2026 16:00 - 17:00 224 MW

02-01-2026 17:00 - 18:00 224 MW

02-01-2026 18:00 - 19:00 224 MW

02-01-2026 19:00 - 20:00 224 MW

02-01-2026 20:00 - 21:00 224 MW

02-01-2026 21:00 - 22:00 224 MW

02-01-2026 22:00 - 23:00 224 MW

02-01-2026 23:00 - 24:00 224 MW

5. Amount of LTTR remaining after curtailment:

02-01-2026 00:00 - 01:00 67 MW

02-01-2026 01:00 - 02:00 67 MW

02-01-2026 02:00 - 03:00 67 MW

02-01-2026 03:00 - 04:00 66 MW

02-01-2026 04:00 - 05:00 66 MW

02-01-2026 05:00 - 06:00 66 MW

02-01-2026 06:00 - 07:00 66 MW

02-01-2026 07:00 - 08:00 69 MW

02-01-2026 08:00 - 09:00 69 MW

02-01-2026 09:00 - 10:00 69 MW

02-01-2026 10:00 - 11:00 69 MW

02-01-2026 11:00 - 12:00 69 MW

02-01-2026 12:00 - 13:00 88 MW

02-01-2026 13:00 - 14:00 88 MW

02-01-2026 14:00 - 15:00 91 MW

02-01-2026 15:00 - 16:00 93 MW

02-01-2026 16:00 - 17:00 105 MW

02-01-2026 17:00 - 18:00 105 MW

02-01-2026 18:00 - 19:00 105 MW

02-01-2026 19:00 - 20:00 110 MW

02-01-2026 20:00 - 21:00 105 MW

02-01-2026 21:00 - 22:00 93 MW

02-01-2026 22:00 - 23:00 105 MW

02-01-2026 23:00 - 24:00 91 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.

Capacity Curtailment on the FR-IT border for delivery period 02-01-2026

by JAO

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:

02-01-2026 00:00 - 01:00 2600 MW

02-01-2026 01:00 - 02:00 2600 MW

02-01-2026 02:00 - 03:00 2600 MW

02-01-2026 03:00 - 04:00 2600 MW

02-01-2026 04:00 - 05:00 2600 MW

02-01-2026 05:00 - 06:00 2600 MW

02-01-2026 06:00 - 07:00 2600 MW

02-01-2026 07:00 - 08:00 2600 MW

02-01-2026 08:00 - 09:00 2600 MW

02-01-2026 09:00 - 10:00 2600 MW

02-01-2026 10:00 - 11:00 2600 MW

02-01-2026 11:00 - 12:00 2600 MW

02-01-2026 12:00 - 13:00 2600 MW

02-01-2026 13:00 - 14:00 2600 MW

02-01-2026 14:00 - 15:00 2600 MW

02-01-2026 15:00 - 16:00 2600 MW

02-01-2026 16:00 - 17:00 2600 MW

02-01-2026 17:00 - 18:00 2600 MW

02-01-2026 18:00 - 19:00 2600 MW

02-01-2026 19:00 - 20:00 2600 MW

02-01-2026 20:00 - 21:00 2600 MW

02-01-2026 21:00 - 22:00 2600 MW

02-01-2026 22:00 - 23:00 2600 MW

02-01-2026 23:00 - 24:00 2600 MW

5. Amount of LTTR remaining after curtailment:

02-01-2026 00:00 - 01:00 1879 MW

02-01-2026 01:00 - 02:00 1879 MW

02-01-2026 02:00 - 03:00 1879 MW

02-01-2026 03:00 - 04:00 1883 MW

02-01-2026 04:00 - 05:00 1883 MW

02-01-2026 05:00 - 06:00 1883 MW

02-01-2026 06:00 - 07:00 1883 MW

02-01-2026 07:00 - 08:00 1793 MW

02-01-2026 08:00 - 09:00 1793 MW

02-01-2026 09:00 - 10:00 1796 MW

02-01-2026 10:00 - 11:00 1796 MW

02-01-2026 11:00 - 12:00 1845 MW

02-01-2026 12:00 - 13:00 1920 MW

02-01-2026 13:00 - 14:00 1920 MW

02-01-2026 14:00 - 15:00 1963 MW

02-01-2026 15:00 - 16:00 2070 MW

02-01-2026 16:00 - 17:00 2108 MW

02-01-2026 17:00 - 18:00 2108 MW

02-01-2026 18:00 - 19:00 2152 MW

02-01-2026 19:00 - 20:00 2238 MW

02-01-2026 20:00 - 21:00 2104 MW

02-01-2026 21:00 - 22:00 2070 MW

02-01-2026 22:00 - 23:00 2152 MW

02-01-2026 23:00 - 24:00 2350 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

*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 FR-ES border for delivery period 02-01-2026

by JAO

1. TSO(s)*:

RTE-TSO

2. Identification of affected Long Term Transmission Rights:

FR-ES

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

02-01-2026 00:00 - 01:00 2149 MW

02-01-2026 01:00 - 02:00 2149 MW

02-01-2026 02:00 - 03:00 2149 MW

02-01-2026 03:00 - 04:00 2149 MW

02-01-2026 04:00 - 05:00 2149 MW

02-01-2026 05:00 - 06:00 2149 MW

02-01-2026 06:00 - 07:00 2149 MW

02-01-2026 07:00 - 08:00 2149 MW

02-01-2026 08:00 - 09:00 2149 MW

02-01-2026 09:00 - 10:00 2149 MW

02-01-2026 10:00 - 11:00 2149 MW

02-01-2026 11:00 - 12:00 2149 MW

02-01-2026 12:00 - 13:00 2149 MW

02-01-2026 13:00 - 14:00 2149 MW

02-01-2026 14:00 - 15:00 2149 MW

02-01-2026 15:00 - 16:00 2149 MW

02-01-2026 16:00 - 17:00 2149 MW

5. Amount of LTTR remaining after curtailment:

02-01-2026 00:00 - 01:00 1858 MW

02-01-2026 01:00 - 02:00 1858 MW

02-01-2026 02:00 - 03:00 1858 MW

02-01-2026 03:00 - 04:00 1858 MW

02-01-2026 04:00 - 05:00 1858 MW

02-01-2026 05:00 - 06:00 1858 MW

02-01-2026 06:00 - 07:00 1858 MW

02-01-2026 07:00 - 08:00 1858 MW

02-01-2026 08:00 - 09:00 1858 MW

02-01-2026 09:00 - 10:00 1858 MW

02-01-2026 10:00 - 11:00 1858 MW

02-01-2026 11:00 - 12:00 1858 MW

02-01-2026 12:00 - 13:00 1858 MW

02-01-2026 13:00 - 14:00 1858 MW

02-01-2026 14:00 - 15:00 1858 MW

02-01-2026 15:00 - 16:00 1858 MW

02-01-2026 16:00 - 17:00 1858 MW

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

   02/01/2026

      00:00-01:00 BRAUD - CUBNEZAIS 4

      01:00-02:00 BRAUD - CUBNEZAIS 4

      02:00-03:00 BRAUD - CUBNEZAIS 4

      03:00-04:00 BRAUD - CUBNEZAIS 4

      04:00-05:00 BRAUD - CUBNEZAIS 4

      05:00-06:00 BRAUD - CUBNEZAIS 4

      06:00-07:00 BRAUD - CUBNEZAIS 4

      07:00-08:00 BRAUD - CUBNEZAIS 4

      08:00-09:00 BRAUD - CUBNEZAIS 4

      09:00-10:00 BRAUD - CUBNEZAIS 4

      10:00-11:00 BRAUD - CUBNEZAIS 4

      11:00-12:00 BRAUD - CUBNEZAIS 4

      12:00-13:00 BRAUD - CUBNEZAIS 4

      13:00-14:00 BRAUD - CUBNEZAIS 4

      14:00-15:00 BRAUD - CUBNEZAIS 4

15:00-16:00 BRAUD - CUBNEZAIS 4

      16:00-17:00 BRAUD - CUBNEZAIS 4

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

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. 

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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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