ENERSIS provides comprehensive Power Quality (PQ) Survey and Study services to help organizations identify, analyze, and resolve electrical power quality issues that can impact operational performance and equipment reliability.
Power Quality monitoring is essential for sensitive and high-demand industries such as semiconductor manufacturing, automotive production, and telecommunications. Undetected PQ disturbances can lead to production downtime, equipment malfunction, and significant financial losses. Our expertise spans the full lifecycle of PQ management – from event detection and diagnosis to mitigation and long-term resolution.
We conduct detailed power quality surveys and monitoring using both Portable Power Analyzers and Permanent PQ Monitoring Installations, providing accurate, real-time, and historical insights into electrical system performance.
In addition, ENERSIS offers a 14-day on-site Power Quality measurement service for Solar PV pre- and post-interconnection, ensuring full compliance with TNB / ST Technical Guidebook requirements.
Our Power Quality Survey and Study services offer:
- Detailed waveform analysis for accurate event identification
- Comprehensive troubleshooting tools for PQ disturbances
- Statistical analysis and detailed event information
- Compliance and event reports in accordance with EN50160
- Power quality mitigation solutions tailored to site-specific issues
Our Power Quality Survey / Study services are suitable for:
- Building infrastructure
- Heavy industries such as cement, steel, and semiconductor facilities
- Commercial complexes, including shopping malls
- Electrical utilities
- Factories and manufacturing plants
With ENERSIS, clients gain clear visibility into power quality performance, enabling informed decisions, improved system reliability, and uninterrupted operations.



