Idd part 1 Interfaces with bsc parties and their Agents




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5.19 CDCA-I021: (input) Notification of Metering Equipment Work


Interface ID:

CDCA-I021



Source:

MOA


Title:

Notification of Metering Equipment Work



BSC reference:

CDCA SD 13.5, CP756, CP1152



Mechanism:

Manual, by telephone



Frequency:

Ad hoc.


Volumes:

50 per month



Interface Requirement:

The CDCA receives notifications of work on Metering Equipment from the relevant MOA by telephone.



Physical Interface Details:




5.20 CDCA-I022: (input) Distribution Line Loss Factors


This interface is from BSCCo Ltd to CDCA and therefore is defined in Part 2 of the IDD, which covers interfaces that do not affect BSC Parties or their agents. However a copy of the definition is included here for information. The BSC Parties have sent the Distribution Line Loss Factors to the BSCCo Ltd for validation, then the BSCCo Ltd sends them on to CDCA via this interface. This interface is not included in the summary tables in section 3, and the physical definition is not included in the spreadsheet.

Interface ID:

CDCA-I022



Source:

BSCCo Ltd



Title:

Distribution Line Loss Factors



BSC reference:

CDCA SD 15.1

CDCA BPM 4.5 (?)


Mechanism:

Electronic data file transfer



Frequency:

Annually


Volumes:

17568000 factors

(1000 metering systems * 366 * 48)


Interface Requirement:

The CDCA receives Line Loss Factors relating to a Metering System from BSCCo Ltd.


Metering System Identifier

Settlement Date

Settlement Period

Line loss Factor





Physical Interface Details:



5.21 CDCA-I023: (output) Missing Line Loss Factors


This interface is from BSCCo Ltd to CDCA and therefore is defined in Part 2 of the IDD, which covers interfaces that do not affect BSC Parties or their agents. However a copy of the definition is included here for information. It is not included in the summary tables in section 3,

Interface ID:

CDCA-I023



User:

BSCCo Ltd



Title:

Missing Line Loss Factors



BSC reference:

CDCA SD 15.2, CP527



Mechanism:

Manual


Frequency:

Annually


Volumes:

17520000 factors

(1000 metering systems * 365 * 48)


Interface Requirement:

The CDCA shall validate such Line Loss Factors received from the BSCCo Ltd. Any missing or invalid factor values will be reported back to the BSCCo Ltd.


Attributes are likely to include:
File Reference for Line Loss Factors

Date LLF File Received

File Acceptance Status (all accepted, partially accepted, file rejected)

Date of Acceptance Status

File Rejection Reason (if File Acceptance Status = file rejected)
Details of any individual exceptions:

Metering System Identifier (for site specific Line Losses)

Settlement Date

Time Period

Line Loss Factor

Reason for rejection




Physical Interface Details:





5.22 CDCA-I025: (output) Aggregation Rules Exceptions


Interface ID:

CDCA-I025



User:

BSC Party



Title:

Aggregation Rules Exceptions



BSC reference:

CDCA SD 19.2, 22.3

BPM 4.12


Mechanism:

Manual


Frequency:

On demand.



Volumes:

Low


Interface Requirement:

The CDCA validates all Aggregation Rules received from the relevant BSC Party, and identifies metering systems registered with the CRA for which no aggregation rules exist.


Missing or invalid aggregation rules will be reported to the relevant BSC Party.


Physical Interface Details:




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