Idd part 1 Interfaces with bsc parties and their Agents




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4.8.11 Derived System-wide Data

4.8.11.1 Header Record


Field

Type

Format

Comments

Record Type

string




Fixed String “HDR”

File Type

string




Fixed string “SYSTEM BUY SELL DATA”


4.8.11.2 Body Record System Buy/Sell Prices


For Settlement Dates prior to the P217 effective date the body record will have the following format:

Field

Type

Format

Comments

Record Type

string




Fixed String “SSB”

Settlement Date

date

yyyymmdd

Group ordered by this field first, incrementing.

Settlement Period

number




Group ordered by this field second, incrementing.

System Sell Price

number







System Buy Price

number







BSAD Default

boolean




True if following BSAD data represents default values

Price Derivation Code

string







Indicative Net Imbalance Volume

number




The Indicative NIV

Net Energy Sell Price Cost Adjustment

number




ESCA used in derivation of the main price

Net Energy Sell Price Volume Adjustment

number




ESVA used in derivation of the main price

Net System Sell Price Volume Adjustment

number




SSVA used in derivation of the main price

Sell Price Price Adjustment

number




SPA used in derivation of the main price

Net Energy Buy Price Cost Adjustment

number




EBCA used in derivation of the main price

Net Energy Buy Price Volume Adjustment

number




EBVA used in derivation of the main price

Net System Buy Price Volume Adjustment

number




SBVA used in derivation of the main price

Buy Price Price Adjustment

number




BPA used in derivation of the main price

For Settlement Dates on or after the P217 effective date the body record will have the following format:

Field

Type

Format

Comments

Record Type

string




Fixed String “SSB”

Settlement Date

date

yyyymmdd

Group ordered by this field first, incrementing.

Settlement Period

number




Group ordered by this field second, incrementing.

System Sell Price

number







System Buy Price

number







BSAD Default

boolean




True if following BSAD data represents default values

Price Derivation Code

string







Replacement Price

number




£/ MWh

Replacement Price Calculation Volume

number




MWh

Indicative Net Imbalance Volume

number




The Indicative NIV

Total System Accepted Offer Volume

number




MWh

Total System Accepted Bid Volume

number




MWh

Total System Tagged Accepted Offer Volume

number




MWh

Total System Tagged Accepted Bid Volume

number




MWh

System Total Priced Accepted Offer Volume

number




MWh

System Total Priced Accepted Bid Volume

number




MWh

Total System Adjustment Sell Volume

number




MWh

Total System Adjustment Buy Volume

number




MWh

Total System Tagged Adjustment Sell Volume

number




MWh

Total System Tagged Adjustment Buy Volume

number




MWh


4.8.11.3 Example File


For Settlement Dates prior to the P217 effective date an example file would look like this:

HDR,SYSTEM BUY SELL DATA

SSB,20001018,33,32.66245,34.96198,F,A,0.000,0.00,0.000,0.000,0.00,0.00,0.000,0.000,0.00

SSB,20001018,36,31.74655,34.96312,F,L,0.000,0.00,0.000,0.000,0.00,0.00,0.000,0.000,0.00

SSB,20001018,37,1.00000,1.00000,T,E,0.000,0.00,0.000,0.000,0.00,0.00,0.000,0.000,0.00

FTR,3


For Settlement Dates on and after the P217 effective date an example file would look like this:

HDR,SYSTEM BUY SELL DATA

SSB,20001018,33,32.66245,34.96198,F,A,0.000,0.00,0.000,0.000,0.00,0.00,0.000,0.000,0.00,0.00,0.00,0.00,0.00

SSB,20001018,36,31.74655,34.96312,F,L,0.000,0.00,0.000,0.000,0.00,0.00,0.000,0.000,0.00,0.00,0.00,0.00,0.00

SSB,20001018,37,1.00000,1.00000,T,E,0.000,0.00,0.000,0.000,0.00,0.00,0.000,0.000,0.00,0.00,0.00,0.00,0.00

FTR,3


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