Testing & Commissioning Services
At Modern Rooting Contracting (MRC), we deliver high-quality testing and commissioning solutions for electrical systems across all voltage levels. Our team combines industry experience, certified engineers, and advanced equipment to ensure your electrical infrastructure is fully operational, compliant, and reliable.
Key Services We Offer:
- HV GIS Substation Testing & Commissioning
Full-scope testing for 380kV, 230kV, 132kV, and 115kV GIS substations in accordance with Saudi Electricity Company (SEC) standards. - Transformer Services
Commissioning, maintenance, oil testing, diagnostics, and repairs for power transformers. - Switchgear Services
Complete inspection, testing, and commissioning for:- LV & MV Switchgears
- Control Panels
- Protection Panels
- Gas-Insulated Switchgears (GIS)
- LV & MV Switchgears
- Power Cable Testing
VLF and Hi-Pot testing for high voltage, medium voltage, and low voltage cables. - DC System Commissioning
Testing and commissioning of:- Battery Banks
- Battery Chargers
- DC Panels and Monitoring Systems
- Battery Banks
- Protection Scheme Modifications
Implementation of new protection logic and upgrades for substations of all voltage levels.
- Circuit Breaker Retrofit
Upgrading outdated breakers with modern, safe alternatives without complete replacement.
- Power System Studies
Including short circuit, relay coordination, arc flash, and load flow analysis.
- Engineering Services
Design reviews, interfacing engineering, relay setting calculations, and documentation support.
- MV & LV Installations
Complete installation and commissioning of LV/MV panels, busbars, and associated systems.
- High Voltage Testing (Hi-Pot)
For power cables, switchgears, and busbars ensuring insulation and safety before energization.
- Troubleshooting & Fault Analysis
Diagnosis of system faults, tripping issues, relay operations, and grounding problems.
- Power Factor Controller Commissioning
Installation and testing of automatic capacitor banks and power factor controllers.















