energy - generation

Genstar4 Electronic Data Transfer – EDT

What does EDT do?

Participants in the UK electricity Balancing Mechanism require a Trading Point (TP) to manage their Balancing Mechanism Units (BMUs) and an accredited EDT software system to submit pre-gate closure information to the System Operator (SO), National Grid ESO (NGE). This enables the party, be it a generator or demand side participant, to send data to be able to participate in the balancing mechanism.

With EDT you can:

  • Submit day ahead dynamic plant characteristics e.g. NDZ, NDO, NDB, ramp rates to NGE;
  • Submit bid offer data (BOD) to NGE to enable participation in the balancing mechanism and TERRE;
  • Send availability schedules (MEL) to NGE;
  • Sent day ahead physical notifications (PNs) to NGE in accordance with the Grid Code OC2. These notifications if not updated will become the final physical notification (FPN) for the BMU.
  • Submit ETR and Remit data to the NGE MODIS system

A fixed MPLS line is required for EDL.

Installation of an EDT line is a lengthy process with lead times in excess of six months.

Dunstan Thomas provides a hosted service for EDL with its’ Genstar4 software which includes pre-installed EDL and EDT lines.

EDT accreditation

Dunstan Thomas is on the NGE list of accredited suppliers of EDT systems for participants in the UK electricity market. The Genstar4 EDT module has successfully completed all NGE’s Business Process Interface Tests (BPITs) and has an EDT (Trading Point) Qualification Test Certificate.

The future of EDT

It is likely that as part of NGE’s Wider Access initiative, EDT communications will be simplified for smaller participates with the introduction of a secure web service rather than fixed MPLS lines.

This is likely to become clearer during 2019 as the Wider Access initiatives and P344 TERRE are rolled out.

What kind of link is EDT?

EDT is a fixed MPLS line between the participants Trading Point and NGE.

EDT operates using an FTP connection between a BSC Party, or their agent, and NGE. All communications between the BSC Party and NGE are assigned a sequence number which must be kept in the correct order. Each submission by a participant is either acknowledged (ACK) or rejected (NACK) by NGE. The Genstar4 EDT module automatically maintains sequence number integrity and tracks the status of all submissions to NGE.

For more information visit the Electricity Trading and Generation Software pages.

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