Guidance on Approved BSC Modification P339 'Introduction of new Consumption Component Classes for Measurement Classes E-G', implemented in April 2017.

<div data-id="who-should-read-this-implementation-guide" style="text-align:left">Who should read this implementation guide?</div>

<div data-id="what-are-measurement-classes-e-f-and-g" style="text-align:left">What are <u class='defined-term'>Measurement Class</u>es E, F and G?</div>

<html><head></head><body><div data-id="what-measurement-classes-should-suppliers-use-for-export-metering-systems" style="text-align:left">What <u class="defined-term">Measurement Class</u>es should <u class="defined-term"><u class="defined-term">Supplier</u></u>s use for <u class="defined-term"><u class="defined-term">Export</u> <u class="defined-term"><u class="defined-term">Meter</u>ing <u class="defined-term">System</u></u></u>s?</div></body></html>

<div data-id="what-are-the-new-and-amended-ccc-ids" style="text-align:left">What are the new (and amended) CCC Ids?</div>

<div data-id="when-will-the-new-and-amended-ccc-ids-be-introduced" style="text-align:left">When will the new (and amended) CCC Ids be introduced?</div>

<div data-id="what-changes-do-hhdas-need-to-make" style="text-align:left">What changes do HHDAs need to make?</div>

<div data-id="what-is-the-effective-date-of-the-new-ccc-ids" style="text-align:left">What is the effective date of the new CCC Ids?</div>

<html><head></head><body><div data-id="what-happens-if-the-hhdas-carries-out-an-aggregation-run-in-advance-of-the-scheduled-date-in-the-settlement-calendar" style="text-align:left">What happens if the HHDAs carries out an aggregation run in advance of the scheduled date in the <u class="defined-term"><u class="defined-term">Settlement</u> Calendar</u>?</div></body></html>

<div data-id="what-happens-if-the-hhda-is-unable-to-implement-its-p339-changes-ahead-of-the-3-april-runs" style="text-align:left">What happens if the HHDA is unable to implement its P339 changes ahead of the 3 April runs?</div>

<div data-id="what-do-dnosidnos-need-to-set-up-and-when" style="text-align:left">What do DNOs/IDNOs need to set up and when?</div>

<div data-id="what-is-the-format-of-the-mapping-file-p0239" style="text-align:left">What is the format of the mapping file (P0239)?</div>

<div data-id="what-codes-should-dsos-use-for-the-dummy-sscs-and-tprs" style="text-align:left">What codes should DSOs use for the ‘dummy SSCs’ and TPRs</div>

<div data-id="who-should-i-contact-if-i-have-any-further-questions" style="text-align:left">Who should I contact if I have any further questions?</div>

CONTENTS

P339 Implementation Guide V2.0

Defined Terms

Cross-references