G5/5 Harmonic Assessment for Electrical Installations in the UK
Ensure Compliance for Any Electrical Installation
Planning a new connection or upgrading existing equipment? Our G5/5 harmonic assessment service ensures your system complies with the UK's ENA Engineering Recommendation G5/5 for power quality and harmonic distortion.
Whether part of a renewable energy project, industrial upgrade, or infrastructure expansion, we help you achieve DNO approval quickly and efficiently.
Why Choose Our G5/5 Harmonic Assessments?
- Fully compliant with ENA ER G5/5 harmonic standards.
- Suitable for industrial, commercial and renewable power systems.
- Expertise across heat pumps, solar PV variable speed drives and other non-linear loads.
- Proven experience supporting utilises, water treatment and manufacturing sites.
- The ability to monitor multiple connections simultaneously (50+).
Comprehensive Testing & Reporting
- High accuracy measurements using state of the art power quality analysers.
- Monitoring of voltage distortion, harmonic current emissions and background distortion.
- Detailed harmonic modelling and reporting for DNO applications.
- Nationwide coverage and rapid turnaround times.
- Clear comprehensive reports comparing results to ENA ER G5/5 thresholds.
- Expert recommendations for harmonic mitigation.
Ensure Compliance with ENA ER G5/5
Whether you're an industrial operator, contractor, or consultant, our experts provide complete support to keep your projects compliant, efficient, and grid-ready. From measurement to final DNO approval, we deliver accuracy, reliability, and confidence in your connection.