Dear Market Participants,
The JAO website will be unavailable and under maintenance on the 27/03/2025 between the hours of 14:00 to 15:00 CEST .
We apologise for any inconvenience this may cause.
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.
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.
- 470+Registered Market Participants
- 20k+Auctions per year
- 100 %Auction Tool Availability
- 95Employees
- 50TSOs serviced
Resource Center
This section contains key information for market participants such as user guides, forms, auction rules, nomination deadlines and other documents.
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.
Register your company
We created a user guide to support the onboarding of market participants. Learn more about the steps to register, the required documents and our service desk platform.
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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!