See Our

Annual Report

Read here

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.

 

Go down

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

Capacity Curtailment on the AT-IT border for delivery period 02-07-2025

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

AT-IT

3. Triggering event:

Curtailment due to Force Majeure

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

02-07-2025 00:00 - 01:00 250 MW

02-07-2025 01:00 - 02:00 250 MW

02-07-2025 02:00 - 03:00 250 MW

02-07-2025 03:00 - 04:00 250 MW

02-07-2025 04:00 - 05:00 250 MW

02-07-2025 05:00 - 06:00 250 MW

02-07-2025 06:00 - 07:00 250 MW

02-07-2025 07:00 - 08:00 250 MW

02-07-2025 08:00 - 09:00 250 MW

02-07-2025 09:00 - 10:00 250 MW

02-07-2025 10:00 - 11:00 250 MW

02-07-2025 11:00 - 12:00 250 MW

02-07-2025 12:00 - 13:00 250 MW

02-07-2025 13:00 - 14:00 250 MW

02-07-2025 14:00 - 15:00 250 MW

02-07-2025 15:00 - 16:00 250 MW

02-07-2025 16:00 - 17:00 250 MW

02-07-2025 17:00 - 18:00 250 MW

02-07-2025 18:00 - 19:00 250 MW

02-07-2025 19:00 - 20:00 250 MW

02-07-2025 20:00 - 21:00 250 MW

02-07-2025 21:00 - 22:00 250 MW

02-07-2025 22:00 - 23:00 250 MW

02-07-2025 23:00 - 24:00 250 MW

5. Amount of LTTR remaining after curtailment:

02-07-2025 00:00 - 01:00 193 MW

02-07-2025 01:00 - 02:00 193 MW

02-07-2025 02:00 - 03:00 193 MW

02-07-2025 03:00 - 04:00 193 MW

02-07-2025 04:00 - 05:00 193 MW

02-07-2025 05:00 - 06:00 193 MW

02-07-2025 06:00 - 07:00 193 MW

02-07-2025 07:00 - 08:00 193 MW

02-07-2025 08:00 - 09:00 193 MW

02-07-2025 09:00 - 10:00 193 MW

02-07-2025 10:00 - 11:00 193 MW

02-07-2025 11:00 - 12:00 193 MW

02-07-2025 12:00 - 13:00 193 MW

02-07-2025 13:00 - 14:00 193 MW

02-07-2025 14:00 - 15:00 193 MW

02-07-2025 15:00 - 16:00 193 MW

02-07-2025 16:00 - 17:00 193 MW

02-07-2025 17:00 - 18:00 193 MW

02-07-2025 18:00 - 19:00 193 MW

02-07-2025 19:00 - 20:00 193 MW

02-07-2025 20:00 - 21:00 193 MW

02-07-2025 21:00 - 22:00 193 MW

02-07-2025 22:00 - 23:00 193 MW

02-07-2025 23:00 - 24:00 193 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 IT-AT border for delivery period 02-07-2025

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

IT-AT

3. Triggering event:

Curtailment due to Force Majeure

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

02-07-2025 00:00 - 01:00 79 MW

02-07-2025 01:00 - 02:00 79 MW

02-07-2025 02:00 - 03:00 79 MW

02-07-2025 03:00 - 04:00 79 MW

02-07-2025 04:00 - 05:00 79 MW

02-07-2025 05:00 - 06:00 79 MW

02-07-2025 06:00 - 07:00 79 MW

02-07-2025 07:00 - 08:00 79 MW

02-07-2025 08:00 - 09:00 79 MW

02-07-2025 09:00 - 10:00 79 MW

02-07-2025 10:00 - 11:00 79 MW

02-07-2025 11:00 - 12:00 79 MW

02-07-2025 12:00 - 13:00 79 MW

02-07-2025 13:00 - 14:00 79 MW

02-07-2025 14:00 - 15:00 79 MW

02-07-2025 15:00 - 16:00 79 MW

02-07-2025 16:00 - 17:00 79 MW

02-07-2025 17:00 - 18:00 79 MW

02-07-2025 18:00 - 19:00 79 MW

02-07-2025 19:00 - 20:00 79 MW

02-07-2025 20:00 - 21:00 79 MW

02-07-2025 21:00 - 22:00 79 MW

02-07-2025 22:00 - 23:00 79 MW

02-07-2025 23:00 - 24:00 79 MW

5. Amount of LTTR remaining after curtailment:

02-07-2025 00:00 - 01:00 59 MW

02-07-2025 01:00 - 02:00 59 MW

02-07-2025 02:00 - 03:00 59 MW

02-07-2025 03:00 - 04:00 59 MW

02-07-2025 04:00 - 05:00 59 MW

02-07-2025 05:00 - 06:00 59 MW

02-07-2025 06:00 - 07:00 59 MW

02-07-2025 07:00 - 08:00 59 MW

02-07-2025 08:00 - 09:00 59 MW

02-07-2025 09:00 - 10:00 59 MW

02-07-2025 10:00 - 11:00 59 MW

02-07-2025 11:00 - 12:00 59 MW

02-07-2025 12:00 - 13:00 59 MW

02-07-2025 13:00 - 14:00 59 MW

02-07-2025 14:00 - 15:00 59 MW

02-07-2025 15:00 - 16:00 59 MW

02-07-2025 16:00 - 17:00 59 MW

02-07-2025 17:00 - 18:00 59 MW

02-07-2025 18:00 - 19:00 59 MW

02-07-2025 19:00 - 20:00 59 MW

02-07-2025 20:00 - 21:00 59 MW

02-07-2025 21:00 - 22:00 59 MW

02-07-2025 22:00 - 23:00 59 MW

02-07-2025 23:00 - 24:00 59 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 CH-AT border for delivery period 02-07-2025

by JAO

1. TSO(s)*:

APG & SWISSGRID

2. Identification of affected Long Term Transmission Rights:

CH-AT

3. Triggering event:

Curtailment due to Curtailment due to Force Majeure

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

02-07-2025 00:00 - 01:00 425 MW

02-07-2025 01:00 - 02:00 425 MW

02-07-2025 02:00 - 03:00 425 MW

02-07-2025 03:00 - 04:00 425 MW

02-07-2025 04:00 - 05:00 425 MW

02-07-2025 05:00 - 06:00 425 MW

02-07-2025 06:00 - 07:00 425 MW

02-07-2025 07:00 - 08:00 425 MW

02-07-2025 08:00 - 09:00 425 MW

02-07-2025 09:00 - 10:00 425 MW

02-07-2025 10:00 - 11:00 425 MW

02-07-2025 11:00 - 12:00 425 MW

02-07-2025 12:00 - 13:00 425 MW

02-07-2025 13:00 - 14:00 425 MW

02-07-2025 14:00 - 15:00 425 MW

02-07-2025 15:00 - 16:00 425 MW

02-07-2025 16:00 - 17:00 425 MW

02-07-2025 17:00 - 18:00 425 MW

02-07-2025 18:00 - 19:00 425 MW

02-07-2025 19:00 - 20:00 425 MW

02-07-2025 20:00 - 21:00 425 MW

02-07-2025 21:00 - 22:00 425 MW

02-07-2025 22:00 - 23:00 425 MW

02-07-2025 23:00 - 24:00 425 MW

5. Amount of LTTR remaining after curtailment:

02-07-2025 00:00 - 01:00 290 MW

02-07-2025 01:00 - 02:00 290 MW

02-07-2025 02:00 - 03:00 290 MW

02-07-2025 03:00 - 04:00 290 MW

02-07-2025 04:00 - 05:00 290 MW

02-07-2025 05:00 - 06:00 290 MW

02-07-2025 06:00 - 07:00 290 MW

02-07-2025 07:00 - 08:00 290 MW

02-07-2025 08:00 - 09:00 290 MW

02-07-2025 09:00 - 10:00 290 MW

02-07-2025 10:00 - 11:00 290 MW

02-07-2025 11:00 - 12:00 290 MW

02-07-2025 12:00 - 13:00 290 MW

02-07-2025 13:00 - 14:00 290 MW

02-07-2025 14:00 - 15:00 290 MW

02-07-2025 15:00 - 16:00 290 MW

02-07-2025 16:00 - 17:00 290 MW

02-07-2025 17:00 - 18:00 290 MW

02-07-2025 18:00 - 19:00 290 MW

02-07-2025 19:00 - 20:00 290 MW

02-07-2025 20:00 - 21:00 290 MW

02-07-2025 21:00 - 22:00 290 MW

02-07-2025 22:00 - 23:00 290 MW

02-07-2025 23:00 - 24:00 290 MW

Capacity Curtailment on the EE-LV border for delivery period 01-07-2025

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:

01-07-2025 00:00 - 01:00 500 MW

01-07-2025 05:00 - 06:00 500 MW

5. Amount of LTTR remaining after curtailment:

01-07-2025 00:00 - 01:00 464 MW

01-07-2025 05:00 - 06:00 463 MW

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

Please see the latest day-ahead net transfer capacity values published on the Nord Pool UMM Platform under "Unavailability of electricity facilities: Transmission EE → LV" at https://umm.nordpoolgroup.com/#/messages?publicationDate=all&eventDate=custom&connections=EE-LV&eventDateStart=1970-01-01&eventDateStop=2125-04-20, as well as the capacity already allocated on the Baltic Balancing Market for balancing capacity sharing at 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 HU-AT border for delivery period 01-07-2025

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

HU-AT

3. Triggering event:

Curtailment due to Force Majeure

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

01-07-2025 00:00 - 01:00 259 MW

01-07-2025 01:00 - 02:00 259 MW

01-07-2025 02:00 - 03:00 259 MW

01-07-2025 03:00 - 04:00 259 MW

01-07-2025 04:00 - 05:00 259 MW

01-07-2025 05:00 - 06:00 259 MW

01-07-2025 07:00 - 08:00 259 MW

01-07-2025 18:00 - 19:00 259 MW

5. Amount of LTTR remaining after curtailment:

01-07-2025 00:00 - 01:00 214 MW

01-07-2025 01:00 - 02:00 186 MW

01-07-2025 02:00 - 03:00 214 MW

01-07-2025 03:00 - 04:00 186 MW

01-07-2025 04:00 - 05:00 186 MW

01-07-2025 05:00 - 06:00 182 MW

01-07-2025 07:00 - 08:00 188 MW

01-07-2025 18:00 - 19:00 214 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 SI-AT border for delivery period 01-07-2025

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

SI-AT

3. Triggering event:

Curtailment due to Force Majeure

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

01-07-2025 01:00 - 02:00 299 MW

01-07-2025 02:00 - 03:00 299 MW

01-07-2025 03:00 - 04:00 299 MW

01-07-2025 04:00 - 05:00 299 MW

01-07-2025 05:00 - 06:00 299 MW

01-07-2025 06:00 - 07:00 299 MW

01-07-2025 07:00 - 08:00 299 MW

01-07-2025 09:00 - 10:00 299 MW

01-07-2025 10:00 - 11:00 299 MW

01-07-2025 11:00 - 12:00 299 MW

01-07-2025 12:00 - 13:00 299 MW

01-07-2025 13:00 - 14:00 299 MW

01-07-2025 14:00 - 15:00 299 MW

01-07-2025 15:00 - 16:00 299 MW

01-07-2025 16:00 - 17:00 299 MW

01-07-2025 18:00 - 19:00 299 MW

5. Amount of LTTR remaining after curtailment:

01-07-2025 01:00 - 02:00 219 MW

01-07-2025 02:00 - 03:00 249 MW

01-07-2025 03:00 - 04:00 249 MW

01-07-2025 04:00 - 05:00 244 MW

01-07-2025 05:00 - 06:00 216 MW

01-07-2025 06:00 - 07:00 244 MW

01-07-2025 07:00 - 08:00 235 MW

01-07-2025 09:00 - 10:00 236 MW

01-07-2025 10:00 - 11:00 261 MW

01-07-2025 11:00 - 12:00 235 MW

01-07-2025 12:00 - 13:00 219 MW

01-07-2025 13:00 - 14:00 219 MW

01-07-2025 14:00 - 15:00 235 MW

01-07-2025 15:00 - 16:00 214 MW

01-07-2025 16:00 - 17:00 210 MW

01-07-2025 18:00 - 19:00 203 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 AT-CZ border for delivery period 01-07-2025

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

AT-CZ

3. Triggering event:

Curtailment due to Force Majeure

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

01-07-2025 00:00 - 01:00 350 MW

01-07-2025 01:00 - 02:00 350 MW

01-07-2025 02:00 - 03:00 350 MW

01-07-2025 03:00 - 04:00 350 MW

01-07-2025 04:00 - 05:00 350 MW

01-07-2025 05:00 - 06:00 350 MW

01-07-2025 06:00 - 07:00 350 MW

01-07-2025 07:00 - 08:00 350 MW

01-07-2025 08:00 - 09:00 350 MW

01-07-2025 09:00 - 10:00 350 MW

01-07-2025 10:00 - 11:00 350 MW

01-07-2025 11:00 - 12:00 350 MW

01-07-2025 12:00 - 13:00 350 MW

01-07-2025 13:00 - 14:00 350 MW

01-07-2025 14:00 - 15:00 350 MW

01-07-2025 15:00 - 16:00 350 MW

01-07-2025 16:00 - 17:00 350 MW

01-07-2025 17:00 - 18:00 350 MW

01-07-2025 18:00 - 19:00 350 MW

01-07-2025 19:00 - 20:00 350 MW

01-07-2025 20:00 - 21:00 350 MW

01-07-2025 21:00 - 22:00 350 MW

01-07-2025 22:00 - 23:00 350 MW

01-07-2025 23:00 - 24:00 350 MW

5. Amount of LTTR remaining after curtailment:

01-07-2025 00:00 - 01:00 72 MW

01-07-2025 01:00 - 02:00 44 MW

01-07-2025 02:00 - 03:00 59 MW

01-07-2025 03:00 - 04:00 43 MW

01-07-2025 04:00 - 05:00 43 MW

01-07-2025 05:00 - 06:00 30 MW

01-07-2025 06:00 - 07:00 111 MW

01-07-2025 07:00 - 08:00 44 MW

01-07-2025 08:00 - 09:00 43 MW

01-07-2025 09:00 - 10:00 38 MW

01-07-2025 10:00 - 11:00 38 MW

01-07-2025 11:00 - 12:00 38 MW

01-07-2025 12:00 - 13:00 38 MW

01-07-2025 13:00 - 14:00 38 MW

01-07-2025 14:00 - 15:00 38 MW

01-07-2025 15:00 - 16:00 37 MW

01-07-2025 16:00 - 17:00 38 MW

01-07-2025 17:00 - 18:00 45 MW

01-07-2025 18:00 - 19:00 90 MW

01-07-2025 19:00 - 20:00 107 MW

01-07-2025 20:00 - 21:00 138 MW

01-07-2025 21:00 - 22:00 127 MW

01-07-2025 22:00 - 23:00 106 MW

01-07-2025 23:00 - 24:00 109 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.

Get to know us
Image
JAO workers

Frequently asked questions

Check out the common questions and our answers on how to use the auction platform.

Do you need support?

If you can't find an answer to your question, our team is here to help!