Critical Power & TEGG
Group Metropolitan has always championed electrical compliance, offering the ultimate health check for your building’s electrical distribution system. Our Critical Power Systems (CPS) and TEGG teams deliver tailored, proactive maintenance and testing regimes to protect critical infrastructure, prevent failures, and extend asset lifespan.
Critical Power Systems (CPS)
Our CPS team provides a full-service maintenance and testing programme for HV/LV switchgear and associated electrical infrastructure. These services are designed to identify risks early, reduce downtime, and enhance system resilience through both de-energised and intrusive live testing where required.
Key Services:
- HV / LV Switchgear Maintenance
- Bespoke Service Plans & Maintenance Contracts
- Critical Spares Assessment & Retrofit Solutions
- Power Factor Correction
- Discrimination & Fault Current Studies
- STS / ATS Support and Maintenance
- Battery Tripping Unit Testing & Replacement
- 24-Hour Call-Out Facility
- Detailed Executive Summaries & Full Service Reporting
Our engineers are fully qualified, highly experienced, and trained to the highest electrical safety standards. All works are coordinated to minimise operational disruption and maintain business continuity.
TEGG
As a licensed provider of TEGG services, GML delivers market-leading, non-invasive testing for live electrical systems without shutdowns. TEGG's predictive approach enables early detection of faults, supporting compliance while ensuring safety and reliability under load.
TEGG-Specific Testing:
- Live Electrical Testing (No Shutdown Required)
- Thermographic Imaging
- Ultrasound & Vibration Analysis
- Power Quality Monitoring
- Fixed Wire Testing
- Comprehensive Validation Reports
- Ongoing System Performance Reviews
TEGG is ideal for critical environments where uptime is essential—such as data centres, healthcare, commercial offices, and public sector estates. Testing is carried out with zero disruption, enabling risk-free diagnostics during live operations.
Reporting & Compliance
All CPS and TEGG services are supported by structured documentation workflows. An executive summary is issued immediately following inspection, highlighting urgent actions. A full technical report follows within 10 working days and can be uploaded to our Dutiful compliance platform for secure access and audit readiness.
