More details on procedure for becoming our registered participant and documents you need to submit.


Base of applicable SEE CAO Set of rules, templates of important documents and other allocation-related files is available here.

Auctions Calendar

Check the relevant long-term auction timings and schedule of our invoicing process.


List of SEE CAO registered participants and statistics on their origin countries.


Find out more about Secondary allocation reporting service we offer to registered participants in line with REMIT regulation.


Learn specific details on API services we provide for getting market data and how to access it.

TSOs admission

Procedures and application forms for admission of new TSOs as SEE CAO shareholders or service users.


List of frequently asked questions on the registration process, collateral provision, Auction tool usage etc.

Annual Reports

We are proud of our accomplished activities and achievements. Check them published in SEE CAO Annual Reports.