# Commission Regulation (EU) 2017/1485 of 2 August 2017 establishing a guideline on electricity transmission system operation (Text with EEA relevance), Article 44: Real-time data exchange

Extent: E+W+S+N.I.

Unless otherwise provided by the TSO, each DSO shall provide its TSO, in real-time, the information related to the observability area of the TSO as referred to in Article 43(1) and (2), including:
(a)the actual substation topology;
(b)the active and reactive power in line bay;
(c)the active and reactive power in transformer bay;
(d)the active and reactive power injection in power generating facility bay;
(e)the tap positions of transformers connected to the transmission system;
(f)the busbar voltages;
(g)the reactive power in reactor and capacitor bay;
(h)the best available data for aggregated generation per primary energy source in the DSO area; and
(i)the best available data for aggregated demand in the DSO area.

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Source: https://www.legislation.gov.uk/eur/2017/1485/article/44 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-1485/article-44
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.