Balancing and Settlement Code

BSC Procedure

BM Unit Eligible Exempt Supply Volumes for Exempt Supply Notification Agents

BSCP606

Version 1.0

Date: 27 February 2025

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Acronym

Expression

BSC

Balancing and Settlement Code (the “Code”)

BSCCo

Balancing and Settlement Code Company

BSCP

Balancing and Settlement Code Procedure

ESNA

Exempt Supply Notification Agent

SAA

Settlement Administration Agent

REF

WHEN

ACTION

FROM

TO

INFORMATION REQUIRED

METHOD

3.1.1

Once data is available, as agreed with Supplier and prior to next Volume Allocation Run (and subsequently if new or revised data becomes available)

Send valid consumption data (for Import and Export Metering Systems to which ESNA is appointed).

Supplier or HHDC

ESNA

D0036 Validated Half Hourly Advances for Inclusion in Aggregated Supplier Matrix.

AND/OR

D0275 Validated Half Hourly Advances.

Electronic or other method as agreed.

3.1.2

Prior to Interim Information Volume Allocation Run (and subsequent Volume Allocation Runs if revised data provided as per step 3.1.1)

Calculate exempt supply volumes (in accordance with Supplier-provided details of the exempt supply arrangements, and consumption received from step 3.1.1)

The calculation must take into account any limits included in the Supplier-provided details e.g. limits on the amount of electricity an exempt supplier can supply in a Settlement Period to customers in total and/or Domestic Customers.

ESNA

Internal process

3.1.3

Prior to Interim Information Volume Allocation Run (and subsequent Volume Allocation Runs if revised data calculated as per step 3.1.2)

Aggregate and submit BM Unit Eligible Exempt Supply Volumes in a Supplier BM Unit relating to:

• The customers who were supplied with the Eligible Exempt Supply Volume;

• The generators who supplied the Eligible Exempt Supply Volume; and

• The relevant Settlement Period.

ESNA

SAA

SAA-I061 BM Unit Eligible Exempt Supply Volume Notification

Electronic Data File

3.1.4

Within 1 WD of 3.1.3

Receive and validate BM Unit Eligible Exempt Supply Volumes

SAA

Internal process

3.1.5

Following 3.1.3, if required

Submit revised BM Unit Eligible Exempt Supply Volumes

ESNA

SAA

Revised BM Unit Eligible Exempt Supply Volumes

Electronic Data File

1.0

27/02/2025

27 February 2025 Standard Release

P442

Panel 347/05