Elexon answers some frequently asked questions about Approved BSC Modification P350 ‘Introduction of a seasonal Zonal Transmission Losses scheme’.

<div data-id="p350-frequently-asked-questions-faqs" style="text-align:left">P350 Frequently Asked Questions (FAQS)</div>

<div data-id="1-1.2" style="text-align:left">1.2 Where do I find more information?</div>

<div data-id="1" style="text-align:left">1. General</div>

<div data-id="2-2.1" style="text-align:left">2.1 What are nodes?</div>

<div data-id="2-2.2" style="text-align:left">2.2 What is the <u class='defined-term'>Load Flow Model</u>?</div>

<div data-id="2-2.3" style="text-align:left">2.3 What is the <u class='defined-term'>Load Flow Model Specification</u>?</div>

<div data-id="2-2.4" style="text-align:left">2.4 How does P350 calculate <u class='defined-term'>Transmission Loss Factor</u>s?</div>

<div data-id="2-2.5" style="text-align:left">2.5 How will P350 impact me?</div>

<div data-id="2-2.6" style="text-align:left">2.6 How does P350 interact with Contracts for Difference?</div>

<div data-id="2-2.7" style="text-align:left">2.7 What is the difference between the Prevailing, Draft Reference and Approved Reference Network Mapping Statements?</div>

<div data-id="2-2.8" style="text-align:left">2.8 What is Transmission Network Data?</div>

<div data-id="2-2.9" style="text-align:left">2.9 What is <u class='defined-term'>Distribution Network Data</u>?</div>

<div data-id="2-2.10" style="text-align:left">2.10 What does the TLF Agent (TLFA) do?</div>

<div data-id="2-2.11" style="text-align:left">2.11 What does the Model Reviewer do?</div>

<div data-id="2-2.12" style="text-align:left">2.12 How are the <u class='defined-term'>Sample Settlement Period</u>s selected?</div>

<div data-id="2-2.13" style="text-align:left">2.13 What happens if a <u class='defined-term'>BM Unit</u> changes Zones?</div>

<div data-id="2" style="text-align:left">2. Let’s Get Technical</div>

<div data-id="3-3.1" style="text-align:left">3.1 When were the new and amended <u class='defined-term'>Code Subsidiary Document</u>s and other Configurable Items for P350 published?</div>

<div data-id="3-3.2" style="text-align:left">3.2 When will TLFs be available?</div>

<div data-id="need-more-information" style="text-align:left">Need more information?</div>

<div data-id="3" style="text-align:left">3. Implementation</div>

CONTENTS

P350 Frequently Asked Questions (FAQS) V4.0

Defined Terms

Cross-references