COP3 & COP5 Metering Panel

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DNO-Specific COP3 and COP5 Metering Panels – Built to Order

Bespoke COP3 & COP5 Metering Panels Built for Utility Compliance

At NKD Group, we design and manufacture Distribution Network Operator (DNO)-specific COP3 and COP5 metering panels to meet the strict technical and compliance requirements of the UK energy sector. Whether you’re working on a new connection, an upgrade, or a private HV network, our panels are built to specification and delivered with full supporting documentation.

We supply panels for both CT-operated (Current Transformer) metering categories and can tailor each unit to the required format, location, and utility provider’s preferences.

Out with the old and in with the new.

Do you have any old equipment? We will buy any surplus distribution boards, circuit breakers and spare parts which is critical in servicing the industry.

Fully Compliant, Built to DNO Standards

We work directly from each DNO’s specifications (UKPN, SSE, SPEN, Northern Powergrid, WPD and others) to ensure our panels are completely compliant, including:

Correct CT class and ratios

Secure metering compartments

Isolators and test blocks installed as standard

Space for meters, communications equipment and labels

G100 & G99 compatible protection systems (if required)

Fast Lead Times & UK-Wide Supply

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Thanks to our in-house panel building team and extensive stock of CTs, isolators and enclosures, we offer short lead times across all standard and bespoke builds.

What’s the Difference Between COP3 and COP5 Panels?

Understanding the difference between COP3 and COP5 panels is critical for compliance and system efficiency:

COP3 (Code of Practice 3):

  • Used for high demand sites, typically where the maximum demand exceeds 100kW

  • Requires class 0.5s CTs for accuracy

  • Panels are generally more complex, with additional space for metering and isolation

  • Often required for half-hourly settlement metering under OFGEM regulations

  • Includes communication devices for remote monitoring and data collection

COP5 (Code of Practice 5):

  • Used for medium demand sites, typically where demand is below 100kW

  • Allows for class 1 CTs, offering less stringent accuracy requirements

  • Panels are more compact, but still built with high attention to layout and access

  • Used across commercial and industrial applications where full COP3 isn’t necessary

  • May not require full remote monitoring features

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