The GB Half Hour auction is a daily auction with physical delivery the following day (d+1). Gate closure is 15:30 CET and results are published within 5 minutes.

We also offer a test system with identical gate closure and publication times.

Getting started

To get started, please follow these steps:

  1. Make sure your user is enabled for the auction (contact Support if you need access )
  2. Visit the platform following one of the links in the bottom of this page
  3. Insert your username and password to log in (click here for log in help)
  4. Start sending in orders (click here for the User Guide)


Available Products

In our Day Ahead auction in CWE we currently offer curve orders, block orders and exclusive group orders submitted directly in our web platform or uploaded via Excel sheets.

  • Curve orders (also known as hourly orders) is described here. One curve order is permitted per portfolio.
  • Block orders is described here. 50 block orders are permitted per portfolio.

System Links