Specifically designed for our customers

VMS Portal

The VMS Portal allows our customers to enter and edit company data, balancing groups and contracts.

NMP Portal

The  Nomination Portal  (NMP) may be used to submit and review nominations in case of failure or revision of your backend system, or if your company does not own a nomination backend system.

To register, contact:


Primary Capacity Platform PRISMA

GRTgaz Deutschland markets is firm and interruptible entry and exit capacities at market area and cross-border interconnection points via a transparent and non-discriminatory auction process on the platform primary capacity platform PRISMA. 

Booking of interruptible WD & DA capacity

Additionally, interruptible within-day and day-ahead capacities may be booked through a process of overnomination. The booking of interruptible within-day capacities is only possible through overnomination, if firm capacities are sold out or if only interruptible capacities are available for trading.

In addition, shippers can submit a nomination for a balancing group even if no capacities have been included there before.

Emergency Process for Capacity Booking Requests

In the case of technical issues with PRISMA or its connected systems, GRTgaz Deutschland offers overnomination as an emergency process for trading daily products or within-day and day-ahead auctions at the border and market area crossing points.

Network points that have been activated for overnomination may be found in the above widget.


Customer Services



Communication test with the counterparties

Before starting the transmission, a communication test with the balancing group manager (BGM) is performed in order to check the communication channels between GRTgaz Deutschland and the BGM. The shipper is required to contact the following email address in order to perform the communication test:

Implementation of protocol AS4

In response to the network code Interoperability and Data Exchange, the European Transmission System Operators and their counterparties who communicate electronically shall use a Europe-wide harmonized protocol (AS4) and harmonized formats (Edig@s-XML) in their communication for any document-based data exchange.