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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

EL1 FR<>GB LT Rights Curtailment

by JAO

LT Right Curtailment Required for Delivery Date(s):

21:00 29/06/2025 & 09:00 30/06/2025

1. TSO(s):

ElecLink

2. Identification of affected Long Term Transmission Rights:

ElecLink FR<>GB

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

All long-term capacity is affected for delivery date(s)

5. Amount of LTTR remaining after curtailment:

0MW

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

Planned Outage

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

Maintenance for a Planned outage

Urgent Market Update: Extension of bid submission closure gate for NLL-BE<>GB-I-ID1824-250625-01 for market period 25/06/2025

by JAO

As per TSO request, the bid submission gate closure of the NLL-BE<>GB-I-ID1824-250625-01 Intraday Auction for market period 25/06/2025 has been extended to 16:25

.

UPDATE - Unavailability of Trader UI

by JAO

Following up on the previously sent communication “Unavailability of Trader UI” please be informed that the incident has been resolved.

Urgent Market Update: Extension of bid submission closure gate for EL1-FR<>GB-I-ID1824-250625-0 for market period 25/06/2025

by JAO

As per TSO request, the bid submission gate closure of theEL1-FR<>GB-I-ID1824-250625-0 Intraday Auction for market period 25/06/2025 has been extended to 16:20.

Unavailability of Trader UI

by JAO

Due to technical issues, our Trader UI services are currently unavailable.

We are investigating the situation and we will update the market accordingly.

Capacity Curtailment on the EE-LV border for delivery period 26-06-2025

by JAO

1. TSO(s):

ELERING

2. Identification of affected Long Term Transmission Rights:

EE-LV

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

26-06-2025 01:00 - 02:00 500 MW

26-06-2025 22:00 - 23:00 500 MW

26-06-2025 23:00 - 24:00 500 MW

5. Amount of LTTR remaining after curtailment:

26-06-2025 01:00 - 02:00 465 MW

26-06-2025 22:00 - 23:00 465 MW

26-06-2025 23:00 - 24:00 465 MW

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

https://umm.nordpoolgroup.com/#/messages?publicationDate=all&eventDate=custom&connections=EE-LV&eventDateStart=1970-01-01&eventDateStop=2125-04-20

https://baltic.transparency-dashboard.eu/node/108

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

There is no alternative to the curtailment of the affected LTTRs.

Capacity Curtailment on the PL-SK border for delivery period 26-06-2025

by JAO

1. TSO(s)*:

PSE

2. Identification of affected Long Term Transmission Rights:

PL-SK

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

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

26-06-2025 17:00 - 18:00 600 MW

5. Amount of LTTR remaining after curtailment:

26-06-2025 17:00 - 18:00 180 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)*?

The remedial actions considered during the Coordinated Capacity Calculation were assessed as not sufficient or ineffective 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 publicat ion

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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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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