Idd part 1 Interfaces with bsc parties and their Agents




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4.7.5.14 INDO - Initial National Demand Out-turn


This message is published when the appropriate data is received from the System Operator . A single message is published every settlement period.

Message Definition

The following table lists the fields that are required in the message.



Field

Field Type

Description of field

Publishing Date

TP

This is the time that the data was published by the System Operator.

Settlement Date

SD

The settlement date.

Settlement Period

SP

The settlement period.

Demand Out-turn

VD

The average demand in MW.

Message Subject Name

BMRA.SYSTEM.INDO


4.7.5.15 ITSDO – Initial Transmission System Demand Out-turn


This message is published when the appropriate data is received from the System Operator. A single message is published every settlement period.

Message Definition

The following table lists the fields that are required in the message.



Field

Field Type

Description of field

Publishing Date

TP

This is the time that the data was published by the System Operator.

Settlement Date

SD

The settlement date.

Settlement Period

SP

The settlement period.

Demand Out-turn

VD

The average demand in MW.

Message Subject Name

BMRA.SYSTEM.ITSDO


4.7.5.16 TEMP – Temperature Data


This message contains the weighted average temperature as measured at noon local time in a number of GB locations, along with 3 additional reference data values for the Normal, High and Low temperatures.

Message Definition

The following table lists the fields that are required in the message.



Field

Field Type

Description of field

Publishing Date

TP

The time that the data was originally published by the System Operator.

Spot Time

TS

The datetime at which the temperature was measured.

Outturn temperature

TO

Temperature in degrees celsius.

Normal Reference temperature

TN

Temperature in degrees celsius.

Low Reference temperature

TL

Temperature in degrees celsius.

High Reference temperature

TH

Temperature in degrees celsius.

Message Subject Name

BMRA.SYSTEM.TEMP


4.7.5.17 FREQ – System Frequency


This message contains the System Frequency at a spot time, measured in Hz.

Message Definition

The following table lists the fields that are required in the message.



Field

Field Type

Description of field

Spot Time

TS

The datetime at which the frequency was measured.

System Frequency

SF

System Frequency in Hz.

Message Subject Name

BMRA.SYSTEM.FREQ


4.7.5.18 FUELINST – Instantaneous Generation by Fuel Type


This message contains the Instantaneous Generation by Fuel Type for a particular Settlement Period.

It should be noted that the TIBCO messages cap negative values received from National Grid at zero for all fuel types (including interconnectors).

Furthermore, the BMRA does NOT publish a Total Instantaneous figure across all fuel types.

Message Definition

The following table lists the fields that are required in the message.



Field

Field Type

Description of field

Publishing Date

TP

The time that this element was originally published by the System Operator.

Settlement Date

SD

The settlement date.

Settlement Period

SP

The settlement period.

Spot Time

TS

The datetime at which the generation was measured.

Fuel Type

FT

Fuel Type.

Generation

FG

The Generation in MW.

Message Subject Name

BMRA.SYSTEM.FUELINST


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