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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 Auctions AND 2nd round for BG-MK for Market Period 01/01/2026

by JAO

As per TSO request, the following auctions have been cancelled for market period 01/01/2026

BG-MK-D-DAILYPRODU-260101-01
MK-BG-D-DAILYPRODU-260101-01

And the following auctions have been created for market period 01/01/2026


BG-MK-D-DAILYPRODU-260101-02 – Opening 09:55 / Closing 10:05
MK-BG-D-DAILYPRODU-260101-02 – Opening 09:55 / Closing 10:05

Please make sure to use the new auction ID in your bid files.

Cancellation of Auctions AND 2ND ROUND RS-ME and ME-RS for Market Period 01/01/2026

by JAO

As per TSO request, the following auctions have been cancelled for market period 01/01/2026

RS-ME-D-DAILYPRODU-260101-01
ME-RS-D-DAILYPRODU-260101-01

And the following auctions have been created for market period 01/01/2026


RS-ME-D-DAILYPRODU-260101-02 – Opening 09:45 / Closing 09:50
ME-RS-D-DAILYPRODU-260101-02 – Opening 09:45 / Closing 09:50

Please make sure to use the new auction ID in your bid files.

Cancellation of ME-IT and 2nd round Auction for Market Period 01/01/2026

by JAO

As per TSO request, the following auctions have been cancelled for market period 01/01/2026

ME-IT-D-DAILYPRODU-260101-01

And the following auctions have been created for market period 01/01/2026


ME-IT-D-DAILYPRODU-260101-02 – Opening 09:35 / Closing 09:55

Cancellation and 2nd round of RS-MK Auctions for Market Period 01/01/2026

by JAO

As per TSO request, the following auctions have been cancelled for market period 01/01/2026

RS-MK-D-DAILYPRODU-260101-01
MK-RS-D-DAILYPRODU-260101-01

And the following auctions have been created for market period 01/01/2026


RS-MK-D-DAILYPRODU-260101-02 – Opening 09:35 / Closing 09:50
MK-RS-D-DAILYPRODU-260101-02 – Opening 09:35 / Closing 09:50

Please make sure to use the new auction ID in your bid files.

Kind regards,

Cintia

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

by JAO

Please note that the UA<>SK and UA<>HU Daily Auction for market period 01/01/2026 with the auction ID below has been delayed.

SK-UA-D-DAILYPRODU-260101-01
UA-SK-D-DAILYPRODU-260101-01

HU-UA-D-DAILYPRODU-260101-01

UA-HU-D-DAILYPRODU-260101-01

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

by JAO

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

Bid submission gate opens at 09:30 and close at 10:40

UA-SK-D-DAILYPRODU-260101-01

SK-UA-D-DAILYPRODU-260101-01

UA-HU-D-DAILYPRODU-260101-01

HU-UA-D-DAILYPRODU-260101-01

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

by JAO

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:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

5. Amount of LTTR remaining after curtailment:

01-01-2026 00:00 - 01:00 177 MW

01-01-2026 01:00 - 02:00 177 MW

01-01-2026 02:00 - 03:00 177 MW

01-01-2026 03:00 - 04:00 177 MW

01-01-2026 04:00 - 05:00 177 MW

01-01-2026 05:00 - 06:00 177 MW

01-01-2026 06:00 - 07:00 177 MW

01-01-2026 07:00 - 08:00 177 MW

01-01-2026 08:00 - 09:00 177 MW

01-01-2026 09:00 - 10:00 178 MW

01-01-2026 10:00 - 11:00 178 MW

01-01-2026 11:00 - 12:00 178 MW

01-01-2026 12:00 - 13:00 179 MW

01-01-2026 13:00 - 14:00 179 MW

01-01-2026 14:00 - 15:00 183 MW

01-01-2026 15:00 - 16:00 184 MW

01-01-2026 16:00 - 17:00 184 MW

01-01-2026 17:00 - 18:00 184 MW

01-01-2026 18:00 - 19:00 189 MW

01-01-2026 19:00 - 20:00 189 MW

01-01-2026 20:00 - 21:00 189 MW

01-01-2026 21:00 - 22:00 184 MW

01-01-2026 22:00 - 23:00 184 MW

01-01-2026 23:00 - 24:00 189 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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