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Go Live of congestion management on the German-Austrian Bidding Zone Border (DE-AT BZB) on 1st of October 2018

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All relevant governance bodies – of Transmission System Operators and Nominated ElectricityMarket Operators (NEMOs) - have confirmed go live for the congestion management scheme at
the border between Austria and Germany on the 1st of October 2018.
This bidding zone split is based on careful and transparent preparatory work from a large number
of involved parties on European level over the last months. It will ensure safe grid operations
especially in the upcoming winter period.

Implementation of congestion management scheme on the German-Austrian border was subject
to approval by the competent regulatory authorities of the Central Western Europe (CWE) region.
This approval was granted in early September. Updating and testing of systems and operational
procedures for (long-term, day ahead, intraday and balancing) as well as the scheduling and
nomination processes were performed successfully.

The final milestones for the implementation of the bidding zone border until 1st October are the
following:
· Long-term auctions for the German-Austrian border will be opened on the 10th of
September 2018 at 10:00, providing the first capacities on this border to the market. The
information of the offered capacities will be published on the JAO website, which includes
a period with reduced capacities (4.9 GW to 4.0 GW) from 4th to 11th of October 2018, due
to maintenance on a cross-border line. Please be aware that long term capacities will be
allocated in form of FTRs which do not need to be nominated.
· For the day ahead market, the first trading day including the German-Austrian border will
be 30th September 2018, the first delivery day is 1st October 2018,
· The capacities for intraday will be based on the day ahead left-over capacities and will be
released on 30th September 2018 at 22:00 for delivery on the 1st of October 2018 as well.

The introduction of the congestion management on the German-Austrian border is based on the
Agency for the Cooperation of Energy Regulators’ (ACER) decision on Capacity Calculation
Regions (CCRs) from November 2016, that includes the introduction of a new bidding zone border
between Germany and Austria. In addition, German regulator Bundesnetzagentur sent out an
official request to the German TSOs requiring them to start preparations for the introduction of a
capacity management mechanism. In May 2017, Bundesnetzagentur and the Austrian regulator
E-Control agreed on the actual modalities for the introduction of congestion management at the
German-Austrian border.
More information on the DE-AT BZB project can be found on the JAO website: http://www.jao.eu/
>Support>DE-AT BZB Project


Best regards,


The German and Austrian Transmission System Operators