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  2. Resource center

Resource center

All Auction related information and documents are available here.

 

    Registration

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    Auction rules

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    Nomination rules

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    eCAT

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    Financial information

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    Public holidays

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Registration

Information

The requirements on the documents differ depending on if you sign them with a qualified electronic signature conforming to the eIDAS regulation or with a handwritten signature. Please refer to our overview of requirements in the attached summary table on the right download list.

When registering, it is required to provide all necessary documents no later than 9 working days prior to the auction in which you intend to participate.

All electronically signed documents shall be submitted to JAO’s Service Desk, while all signed hard copies shall be sent via postal mail to JAO’s office.

 

Registration Steps

Step 1 – Requesting access to the JAO Support Hub

For us to support you best in your future endeavours, you need to have access to the JAO Support Hub to be able to open tickets with us.

  • Follow this link to have the full guide to registration You can also send an email to helpdesk@jao.eu to setup your JAO Support Account

Step 2 - Documents required for registration

Documents have to be electronically filled and signed by authorized person(s) as per the company’s signatory rights (joint signatures or a sole signature) as stated in the Commercial Extract or in an additional official document.

  • Electronically filled and duly dated and signed Participation Agreement
    • 2 originals in case of handwritten signature via post
    • 1 document in case of qualified electronic signature through Jira Service Desk
  • Electronically filled and duly signed Financial Agreement
    • 2 duly signed originals in case of handwritten signature via post – only the company name shall be filled
    • 1 document in case of qualified electronic signature through Jira Service Desk – JAO will send the document to you for signature once we have the business account number available
  • Copy  of the Commercial Extract/Constitution Deed of the company (should not be older than 6 months;  a certified English translation has to be attached in case it is in a different language)
  • The Beneficial owner structure information documents (duly dated and signed) with a government issued identification document of the ultimate beneficial owner(s) or the Managing Director(s) (if applicable) and of the CEO of the company. It cannot be older than 1 month.
  • Copy of a certificate of bank account details issued by the bank, which includes the IBAN code, SWIFT code, account holder and the registered address of the account holder. This document can not be older than 3 months.
  • In case the signature powers are not clear from the Commercial Extract, other official document(s)  can be provided in order to evidence the signatory rights as Minutes of the Board of Directors (or applicable), Articles of Association (or applicable) , or a Power of Attorney.

Step 3 – Sending the documents

After filling and signing the documents, you will be required to send them:

  • through our service desk platform – in case of electronic signatures
  • by post – in case of handwritten signatures – to the following address:

JAO S.A.

2 rue de Bitbourg L-1273

Luxembourg-Hamm

Grand Duchy of Luxembourg

Step 4 – Follow up

Upon registration, JAO will send one countersigned copy of the Participation Agreement and one countersigned copy of Financial Agreement to the address specified, or through our service desk platform. Furthermore, at this time you will also receive your ING bank account details.

This means that your company registration is complete, now you need to setup an account.

Step 5 – Requesting a user account in the trading platform

In order to create a user account in our Allocation Tool (eCAT), we need to receive the following documents:

  • User Account form
    • Electronically filled forms can be accepted with handwritten or valid electronic signatures (all the signatures should be in the same format).
    • It has to be signed by the user and the company representative(s) (just like Participation and Financial Agreements)
    • We accept digital copies
  • The public part of the electronic certificate.
    • Information about the certificate requirements as well as the approved certificate issuing authorities can be found here.

Step 6 – Credit limit

You can credit your ING account with enough capital to be able to bid on your desired auctions, or set up a bank guarantee to serve as collateral.

Registration and Modification Forms

On the right download list you may find:

1. All the related forms to be able to register with JAO or to terminate the agreements

2. Amendment forms to be used for updating existing documents already submitted to JAO.

Collaterals and Auction Tool Forms

On the right download list you may find:

1. Forms for collateral management (Bank Guarantee, funds transfers);

2. Forms to request or modify user access to the auction tool (eCAT).

3. Form to request read only access for the ING business account:

If you wish to have an online read-only access to ING Inside Business, it is important to mention that the login will be linked to an individual of your choice from your company. This user has to provide personal information on the user form and a copy of his/her ID card or passport.

There will be no additional cost for the access to ING Inside Business, as it is web-based and can be accessed from a computer, tablet or phone.

Registration for ING Inside Business is not mandatory, however we won’t be able to provide bank statements upon request.

Attachments
Download all
Last update
  • Registration Guide 23/02/2026
  • Overview of document requirements 22/10/2024
  • test new document.pdf 21/05/2026
  • long title of attachment to test long title of attachment to test long title.xlsx 01/07/2026
  • PDF.pdf 01/07/2026
  • JAO_marketdata_export_01-07-2026 (1).xlsx 27/07/2026
  • test new document.pdf 27/07/2026
  • test new document.pdf 27/07/2026
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  • long title of attachment to test long title of attachment to test long title.xlsx 27/07/2026
  • JAO_marketdata_export_10-06-2026 (12).xlsx 27/07/2026
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Attachments
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Last update
  • JAO Participation Agreement 02/03/2026
  • Financial Agreement 26/05/2025
  • Amendment No. 27 to the Participation Agreement 19/03/2026
  • Change of Bank Details 03/03/2026
  • Termination Request 19/05/2021
  • Attachment 1 - Contact Details 16/01/2023
Attachments
Download all
Last update
  • Appendix 4 User account form 02/03/2026
  • Appendix 3 Web services User account form 02/03/2026
  • Power of Attorney User Account Modification 03/03/2026
  • ING Inside Business User Access Form 03/03/2026
  • ING Inside Business User Termination Form 03/03/2026
  • Funds Transfer Request From 03/03/2026
  • Power of Attorney Funds Transfer 03/03/2026
  • Bank Guarantee Template 16/04/2025
  • Setup of Bank Guarantees via SWIFT message 17/01/2023
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Auction rules

Long Term Allocation Rules

All the applicable allocation rules related to our long term auctions are available here.

Short Term Allocation Rules

All the applicable allocation rules related to our short term (daily, shadow, intraday) auctions are available here.

Supporting Documents

Supporting documents related to the allocation rules can be downloaded here.

Archive

All approved rules for allocation of transmission rights in 2017, 2018, 2019 and 2020 are available to download here.

Allocation Rules by Border and Type of Capacity Product

Attachments
Download all
Last update
  • EU HAR 2026 with Annexes - for EU internal borders 06/01/2026
  • List of Bidding Zone borders_HAR applicable for EU internal borders 04/02/2025
  • EU HAR 2026 with Annexes - for non-EU borders 06/01/2026
  • List of Bidding Zone borders_HAR 2026 applicable for non-EU borders 29/12/2025
  • LT CH Auction Rules 2026 06/01/2026
  • IFA Long Term Allocation Rules 20/08/2024
  • Viking Link Access Rules for Long Term Capacity Allocation 2024.pdf 20/06/2025
  • Rules for Forward Capacity Allocation on GB Belgian Border 2023 20/08/2024
  • ElecLink Long Term Allocation Rules 2025 11/04/2025
  • Eleclink Long-Term Allocation Rules - May 2026 17/04/2026
Attachments
Download all
Last update
  • Shadow Allocation Rules 07/06/2022
  • List of Bidding Zone Borders - SAR 25/02/2025
  • List of Agreements - SAR 17/01/2023
  • List of BZB with ramping constraints - SAR 07/06/2022
  • Shadow Allocation Rules_Merged 12/09/2025
  • List of Bidding Zone borders - SAR_Merged 12/09/2025
  • List of Agreements - SAR_Merged 12/09/2025
  • Allocation Rules for Daily Capacity Allocation on Swiss borders 25/06/2025
  • Allocation Rules for Intraday Capacity Allocation on CH-IT border 25/06/2025
  • IFA Day Ahead Allocation Rules 20/08/2024
  • IFA Intraday Allocation Rules 20/08/2024
  • Viking Link Access Rules for Day Ahead Capacity Allocation 2024 06/01/2026
  • Viking Link Access Rules fo Intraday Capacity Allocation 2024 06/01/2026
  • Rules for Day-Ahead Capacity Allocation on the GB Belgian border 2023 20/08/2024
  • Rules for Intraday Capacity Allocation on the GB Belgian border 2023 20/08/2024
  • ElecLink Day Ahead Allocation Rules 2025 11/04/2025
  • ElecLink Intraday Allocation Rules 2025 11/04/2025
  • Rules for Daily Capacity Allocation on Ukrainian Borders 2026 06/01/2026
  • Rules for Explicit Daily Capacity Allocation serviced by JAO 06/01/2026
  • Rules for Explicit Daily Capacity Allocation on IT-ME border 06/01/2026
  • Eleclink Day Ahead Allocation Rules - May 2026 17/04/2026
  • Eleclink Intraday Allocation Rules - May 2026 17/04/2026
Attachments
Download all
Last update
  • Communications_Guide_V2 20/05/2021
  • RO_HU_Capacity splitting method 20/05/2021
  • IFA-IFA2 Access Rules - updates 31May2023 for GoLive 1June-clean.pdf 02/06/2023
  • Viking Link Access Rules 2024.pdf 20/06/2025
  • SAP CA Non-confidential Version.pdf 24/09/2024
  • Eleclink Access Rules - March 2025 26/03/2025
  • Eleclink Access Rules - May 2026 17/04/2026
Attachments
Download all
Last update
  • 2020 Auction Rules 20/05/2021
  • 2019 Auction Rules 20/05/2021
  • 2018 Auction Rules 20/05/2021
  • 2017 Auction Rules 20/05/2021
Attachments
Last update
  • Allocation rules by border and type of capacity product table 05/02/2026
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Nomination rules

Nomination rules

You can find the relevant useful documents in the download section.

Attachments
Download all
Last update
  • Nomination Information 11/12/2025
  • Firmness deadlines 11/12/2025
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eCAT

Technical information

All information regarding the electronic Capacity Auction Tool (eCAT) are available in the download section.

Please find the list of the Message standards that are required for the use of the Auction Tool : https://www.entsoe.eu/publications/electronic-data-interchange-edi-library/

For information on web services, please click here.

Attachments
Download all
Last update
  • Information System Rules - March 2026 02/03/2026
  • List of Trusted Certificate Authorities 2026 24/02/2026
  • Shadow Auction Package 24/01/2024
  • User Certificate Guide 07/05/2026
  • Web services 19/05/2021
  • eCAT user guide 14/12/2025
  • Reduction periods calculation.pdf 29/12/2015
  • Fallback Bidding.zip 23/04/2026
  • JAO_marketdata_export_27-07-2026 (7).xlsx 27/07/2026
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Financial information

Inside Business Payments

Starting from April 1st, 2024, you'll be able to transfer funds through the Inside Business Payments module, within "Inside Business", ING's e-banking platform. This digital transformation aims to enhance efficiency in managing fund transfers for JAO and meets your business needs better. The benefits include same-day transfers during regular banking hours, heightened security with two-factor authentication by ING, and a simplified registration process requiring documentation only once.

To register, please refer to the attached documents.

Invoicing Process

Our information package on the invoicing process clarifies the calculation of monthly instalments and the number of instalments that can be included in the first invoice of a capacity product. It also explains the monthly netting calculation of allocations and compensations.

Invoicing Calendar

The auctions’ invoicing calendar attached is based on the Luxembourgish calendar of public holidays and contains all important invoicing dates, so you can anticipate when your invoices are due and when you will be paid in case of a selfbilling for each month of the year.

Collateral

Our credit limit documentation consists of a Credit Limit Presentation as well as a Credit Limit Calculation.

Company Data

Trade and Companies Register (RCS) identification number: B142282

VAT identification number for the reverse charge mechanism: LU229 026 29

Our finance team is available for any question you may have on our Service desk.

Attachments
Download all
Last update
  • Inside Business Payments - User Access Form 03/07/2024
  • Inside Business Payments - User Termination Form 24/04/2024
Attachments
Last update
  • Invoicing process.pdf 11/11/2024
Attachments
Download all
Last update
  • Invoicing Process Calendar 2025 11/11/2024
  • Invoicing Process Calendar 2026 13/10/2025
Attachments
Download all
Last update
  • JAO Credit Limit Calculation 11/11/2024
  • Credit Limit Presentation 2024.pdf 11/11/2024
No Attachments to download
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Public holidays

Public holidays

When making a funds transfer to or from your dedicated Business account, please bear in mind that our Banking partner does not process incoming or outgoing payments on public and bank holidays based on the Luxembourgish calendar that you will find below for the year 2025 and 2026.

Please find below the list of public and bank holidays in Luxembourg for 2025:

  • Wednesday, January 1, 2025 - New Year's Day
  • Friday, April 18, 2025 - Good Friday (Bank Holiday)
  • Monday, April 21, 2025 - Easter Monday
  • Thursday, May 1, 2025 - Labour Day
  • Friday, May 9, 2025 - Europe Day
  • Thursday, May 29, 2025 - Ascension
  • Monday, June 9, 2025 - Whit Monday
  • Monday, June 23, 2025 - Luxembourg National Holiday
  • Friday, August 15, 2025 - Assumption
  • Saturday, November 1, 2025 - All-Saint's Day
  • Wednesday, December 24, 2025 - Christmas Eve (afternoon) (Bank Holiday)
  • Thursday, December 25, 2025 - Christmas Day
  • Friday, December 26, 2025 - St Stephen's Day / Boxing Day
Please find below the list of public and bank holidays in Luxembourg for 2026:
  • Thursday, January 1, 2026 - New Year's Day
  • Friday, April 3, 2026 - Good Friday (Bank Holiday)
  • Monday, April 6, 2026 - Easter Monday
  • Friday, May 1, 2026 - Labour Day
  • Saturday, May 9, 2026 - Europe Day
  • Thursday, May 14, 2026 - Ascension
  • Monday, May 25, 2026 - Whit Monday
  • Tuesday, June 23, 2026 - Luxembourg National Holiday
  • Saturday, August 15, 2026 - Assumption
  • Sunday, November 1, 2026 - All-Saint's Day
  • Thursday, December 24, 2026 - Christmas Eve (afternoon) (Bank Holiday)
  • Friday, December 25, 2026 - Christmas Day
  • Saturday, December 26, 2026 - St Stephen's Day / Boxing Day

 

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2 rue de Bitbourg L-1273

Luxembourg-Hamm

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