This document provides a guide to Unmetered Supplies under the BSC. In particular, the OID gives guidance on how to apply for, and construct, Charge Codes and Switch Regimes; including Elexon's testing requirements.

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<div data-id="1-1.1">1.1 What are Unmetered Supplies under the BSC?</div>

<div data-id="1-1.2">1.2 What is the purpose of this document?</div>

<div data-id="1-1.3">1.3 Before reading on, some key roles and terms explained...</div>

<div data-id="1-1.4-1.4.1">1.4.1 Calculation of the Maximum Demand of an UMS Inventory</div>

<div data-id="1-1.4-1.4.2">1.4.2 Half Hourly</div>

<div data-id="1-1.4-1.4.3">1.4.3 Non Half Hourly</div>

<div data-id="1-1.4-1.4.4">1.4.4 Market-wide Half Hourly</div>

<div data-id="1-1.4">1.4 What is Half Hourly (HH) and Non Half Hourly (NHH) Trading?</div>

<html><head></head><body><div data-id="1-1.5">1.5 What are Central Management <u class="defined-term">System</u>s (CMS)?</div></body></html>

<div data-id="1">1 An introduction to Unmetered Supplies</div>

<html><head></head><body><div data-id="2-2.2">2.2 What are discontinued Charge <u class="defined-term">Code</u> structures?</div></body></html>

<div data-id="2-2.3-2.3.1">2.3.1 Lamps</div>

<div data-id="2-2.3-2.3.2">2.3.2 Traffic equipment</div>

<div data-id="2-2.3-2.3.3">2.3.3 Miscellaneous equipment</div>

<html><head></head><body><div data-id="2-2.3-2.3.4">2.3.4 Issuing of <u class="defined-term"><u class="defined-term">UMSO</u></u> specific and Published Miscellaneous Charge <u class="defined-term">Code</u>s</div></body></html>

<div data-id="2-2.3-2.3.5">2.3.5 Control equipment</div>

<div data-id="2-2.3-2.3.6">2.3.6 Highway Message and Indicator Signs - Devices with variable hours</div>

<div data-id="2-2.3">2.3 The structure explained</div>

<html><head></head><body><div data-id="2">2 What are Charge <u class="defined-term">Code</u>s?</div></body></html>

<html><head></head><body><div data-id="3-3.1">3.1 Considerations in respect of Charge <u class="defined-term">Code</u> applications</div></body></html>

<div data-id="3-3.2">3.2 Test data requirements</div>

<html><head></head><body><div data-id="3-3.3-3.3.1">3.3.1 The structure of Generic LED Lighting Charge <u class="defined-term">Code</u>s</div></body></html>

<div data-id="3-3.3-3.3.2">3.3.2 Manufacturer Equipment LED Range Spreadsheet</div>

<html><head></head><body><div data-id="3-3.3">3.3 Applying to use a range of Generic LED Lighting Charge <u class="defined-term">Code</u>s</div></body></html>

<div data-id="3-3.4">3.4 Test procedure for LED Variable Message, Bus Information Signs and signs with variable light levels</div>

<div data-id="3-3.5">3.5 Test procedure for Belisha Beacons</div>

<div data-id="3-3.6">3.6 Test procedure for CCTV Equipment</div>

<div data-id="3-3.7">3.7 Test procedure for Constant Light Output (CLO)</div>

<div data-id="3-3.8">3.8 Test procedure for Variable Power Switch Regime (VPSR) Devices</div>

<div data-id="3-3.9">3.9 Testing requirements for Wi-Fi Equipment</div>

<div data-id="3-3.10">3.10 Testing requirements for 50 Series Electronic Ballasts</div>

<html><head></head><body><div data-id="3-3.11">3.11 Charge <u class="defined-term"><u class="defined-term">Code</u></u>s for Central Management <u class="defined-term">System</u> (CMS) Equipment</div></body></html>

<html><head></head><body><div data-id="3-3.12">3.12 Charge <u class="defined-term">Code</u>s for Speed/red light cameras or equipment that includes cameras</div></body></html>

<html><head></head><body><div data-id="3-3.13">3.13 Charge <u class="defined-term">Code</u>s for Lighting Controls powered by lamp drivers with auxiliary output.</div></body></html>

<html><head></head><body><div data-id="3-3.14">3.14 Charge <u class="defined-term">Code</u>s for Sensors, CCTV, etc. powered by lamp drivers with auxiliary output.</div></body></html>

<html><head></head><body><div data-id="3">3 How do I apply for a Charge <u class="defined-term">Code</u>?</div></body></html>

<div data-id="4-4.1">4.1 Equipment that is less than 10 Watts</div>

<div data-id="4-4.2-4.2.1">4.2.1 Continuous green aspects</div>

<div data-id="4-4.2-4.2.2">4.2.2 How do I record traffic signal equipment in my inventory?</div>

<div data-id="4-4.2-4.2.3">4.2.3 Dimming Traffic Signals</div>

<div data-id="4-4.2-4.2.4">4.2.4 Dummy Loads for LED Traffic Lights</div>

<div data-id="4-4.2-4.2.5">4.2.5 What are filter signals?</div>

<div data-id="4-4.2">4.2 Traffic signal heads</div>

<div data-id="4-4.3-4.3.1">4.3.1 Legacy arrangement</div>

<html><head></head><body><div data-id="4-4.3-4.3.2">4.3.2 Charge <u class="defined-term">Code</u>s at Cabinet Level</div></body></html>

<html><head></head><body><div data-id="4-4.3-4.3.3">4.3.3 Charge <u class="defined-term">Code</u>s at Component Level</div></body></html>

<html><head></head><body><div data-id="4-4.3">4.3 Cable network cabinets (Miscellaneous <u class="defined-term">Code</u>s Starting 813)</div></body></html>

<html><head></head><body><div data-id="4">4 How are Charge <u class="defined-term">Code</u>s Calculated?</div></body></html>

<div data-id="6-6.1-6.1.1">6.1.1 Weighted latitude and longitude of inventory</div>

<html><head></head><body><div data-id="6-6.1-6.1.2">6.1.2 Latitude and longitude for the centre of the <u class="defined-term">GSP Group</u></div></body></html>

<div data-id="6-6.1">6.1 Location of a single array</div>

<div data-id="6-6.2">6.2 Deciding on multiple or single arrays</div>

<div data-id="6-6.3">6.3 Hosting and maintenance of the arrays</div>

<div data-id="6">6 Photoelectric Control Unit (PECU) array location and siting guidance</div>

<div data-id="7-7.1">7.1 Hybrid/thermal Photoelectric Control Units (PECUs)</div>

<div data-id="7-7.2">7.2 Part night dimming</div>

<div data-id="7-7.3">7.3 Variable Power Switch Regime (VPSR) Switch Regimes</div>

<html><head></head><body><div data-id="7-7.4-7.4.1">7.4.1 Energy calculation for dimming of Generic LED Lighting Charge <u class="defined-term">Code</u>s ending ‘100’</div></body></html>

<div data-id="7-7.4">7.4 Variable Power Switch Regime Spreadsheet</div>

<div data-id="7-7.5">7.5 Highway Message and Indicator Sign operating hours</div>

<html><head></head><body><div data-id="7-7.6-7.6.1">7.6.1 Valid Combinations of Equipment Charge <u class="defined-term">Code</u>s and Switch Regimes</div></body></html>

<html><head></head><body><div data-id="7-7.6-7.6.2">7.6.2 Valid Combinations of Control Charge <u class="defined-term">Code</u>s and Switch Regimes</div></body></html>

<html><head></head><body><div data-id="7-7.6">7.6 Valid Combinations of Charge <u class="defined-term">Code</u>s and Switch Regimes</div></body></html>

<html><head></head><body><div data-id="7-7.7">7.7 <u class="defined-term">Equivalent <u class="defined-term">Meter</u></u> <u class="defined-term">Default</u> PECU Switch Regimes</div></body></html>

<div data-id="7">7 What are Switch Regimes?</div>

<div data-id="8-8.1">8.1 General comments</div>

<div data-id="8-8.2">8.2 Standard file format</div>

<div data-id="8-8.3">8.3 Notes on standard inventory format</div>

<html><head></head><body><div data-id="8-8.4">8.4 Notes for <u class="defined-term">Customer</u>s on declaring Charge <u class="defined-term">Code</u>s and Switch Regimes for Variable Power Switch Regime (VPSR) Devices</div></body></html>

<div data-id="8">8 Standard file format for detailed inventories</div>

CONTENTS

Operational Information Document V32.0

Defined Terms

Cross-references