Installing CT Metering Panels is a critical step in ensuring accurate energy measurement and compliance with industry standards especially in light of the P432 Half Hourly Settlement upgrade. Read more about the March 2026 deadline.
At Ritherdon, we manufacture a range of prewired CT Metering Panels and CT Chambers designed to simplify installation, reduce time on site and meet the specific requirements of DNOs and BNOs across the UK.
Installation Overview
 What’s Involved:
- Site Assessment – Determine supply type (LV/HV), load size and applicable CoP standard.
- Panel Selection – Choose the correct CT Metering Panel (CT Chamber or MOD156, COP2, COP3, COP5 Remote Metering) based on demand and voltage.
- CT Chamber Installation – Fit the chamber in line with DNO specifications (e.g., UKPN, SP ENWL).
- Metering Configuration – Connect CTs, test terminal block and meter(s) as per CoP requirements.
- Proving Test & Commissioning – Ensure accuracy and communication for Half Hourly settlement.
What Ritherdon Offers
COP2 HV Remote Metering Panels
- Designed for high voltage sites (10MW-100MW).
- Dual metering fitted on the door.
- Prewired and ready to fit the meters.
- Prewired test terminal block.
COP3 HV Remote Metering Panels
- For sites between 1MW-10MW.
- Dual metering fitted on the lid/door.
- Prewired and ready to fit the meters.
- Prewired test terminal block.
COP5 HV & LV Remote Metering Panels
- Ideal for 100kW-1MW installations.
- Single meter configuration.
- Prewired and ready to fit the meters.
- Prewired test terminal block.
CT Chambers by Region
- Prewired, DNO approved.
- Hinged panel for easy access.
- Available for 200A, 400Aand 600A 0.5 s CTs.
- Modular design (MOD1, MOD5, MOD6).
- Built to SP ENWL specification.
- Available for 400A 0.5 s CTs.
Why Choose Ritherdon?
- DNO specific compatibility across UKPN, SP ENWL.
- Prewired panels reduce installation time and errors.
- CT Chambers supplied with high accuracy CTs (0.5s) for Half hourly metering and P432 compliance.
