PART IIU.K.OPERATIONAL SECURITY

TITLE 2U.K.DATA EXCHANGE

CHAPTER 3U.K.Data exchange between TSOs and DSOs within the TSO's control area

Article 44U.K.Real-time data exchange

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.