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Sub‑Metering in Retrofit Projects

Sub‑metering in retrofit projects enables accurate energy monitoring without major disruption, supporting performance improvements in existing commercial and industrial buildings.

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The Role of Sub‑Metering in Retrofit Energy Management

Why Sub‑Metering Matters in Retrofit Projects

Retrofit sub‑metering delivers actionable energy data while working within existing electrical and operational constraints.

Minimal Disruption

Retrofit sub‑metering avoids extensive shutdowns or invasive electrical modifications.

Improved Visibility

Provides detailed insight into energy use at circuit, system, or equipment level.

Targeted Efficiency

Identifies inefficiencies and abnormal consumption within existing installations.

Cost‑Effective Upgrades

Delivers measurable improvements without full system replacement.

Regulatory Support

Supports compliance with energy reporting and efficiency requirements.

Future Readiness

Creates a foundation for future energy management and optimisation.

Our Sub-Meters

View all of our Sub-Metering products. All hand built in the UK with industry leading 5 year warranty.

MultiCube Modular

Expandable Multi-Channel - Multi-function Sub-Meter

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MultiCube 950

333mV Multi-Function - Multi-Channel

View MultiCube 950

MultiCube 650

Meters 2 x three phase - 6 x single phase loads

View MultiCube 650

Cube 400

Meters 1 x three phase load - 3 line display

View Cube 400

Cube 350

Energy and Power Multi-function Sub-Meter - Meters 1 x three phase load

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Rail 350

High-performance, multi-function energy meter designed for monitoring a single three-phase load.

View Rail 350

Rail 310

The Rail 310 is a versatile, multi-channel energy and power sub-meter designed for space-efficient monitoring.

View Rail 310

Common Challenges in Retrofit Sub‑Metering Projects

Key Challenges in Retrofit Installations

Existing infrastructure introduces technical and operational constraints.

Limited physical space in panels
Live system installation requirements
Inconsistent legacy wiring
Restricted access to conductors
Short installation windows

Sub‑Metering Technologies for Retrofit Projects

Technologies That Enable Retrofit Sub‑Metering

Modern devices simplify installation in existing electrical systems.

Split‑Core Current Transformers

Allow installation around live conductors without disconnection.

333 mV Output CTs

Eliminate open‑circuit risk and simplify safe retrofit installation.

Compact Sub‑Meters

Fit into crowded distribution boards and control panels.

Open Communication Protocols

Enable integration with existing BMS and energy platforms.

Ready to discuss your project?

Our technical team provides free pre- and post-sales support from specification through to commissioning.