From Testing to Trust

TCC is a leading Saudi specialist in testing, commissioning, and maintenance of power plants & substations up to 380 KV.
We combine technical expertise, advanced technology, and precision to ensure safe, reliable, high-performing power systems.
From testing to energization and beyond, we deliver confidence at every connection.
an abstract photo of a curved building with a blue sky in the background

Engineering Reliability. Powering Confidence.

About Us.

Testing & Commissioning Company (TCC) is a leading Saudi specialist in testing, commissioning, maintenance, operation, and engineering support for power plants and substations up to 380 KV across the Kingdom.

With an experienced team of skilled engineers and advanced testing technologies, we deliver precise and reliable solutions for complex, high-voltage power systems. From pre-checking and system validation to energization, and long-term maintenance, we ensure every component performs safely and seamlessly within the wider network.

Our commitment goes beyond project execution. We work as a trusted technical partner, supporting clients and EPC contractors achieve reliable performance, operational efficiency, and long-term system resilience.

Aligned with Saudi Vision 2030, TCC continues to invest in expertise, innovation, and technology to support the Kingdom’s growing energy infrastructure and deliver power systems you can trust.

Our Vision

Our mission

To be the region’s leading testing and commissioning partner, setting the benchmark for reliability, innovation, and excellence in power plant and substation services.

We are committed to creating lasting value through safety, expertise, innovation, and responsible practices, supporting the Kingdom’s journey toward a stronger and more sustainable future.

Social responsibility

To deliver precise, efficient, and high-quality testing, commissioning, and maintenance solutions that ensure the safety, performance, and reliability of power systems.

TCC is committed to supporting Saudi Arabia’s Vision 2030 by contributing to the development of a reliable, efficient, and future-ready energy infrastructure.

Through our expertise in testing, commissioning, maintenance, Operation, and engineering support, we help ensure that critical power systems perform safely, efficiently, and reliably.

By combining local expertise, advanced technology, and a commitment to excellence, TCC plays its part in powering the Kingdom’s continued growth and transformation.

Powering the Vision

Advanced Technology and Equipment

Technology That Powers Precision

Testing equipment and advanced technologies tailored for mega power plants and high-voltage substations. Our high-precision tools ensure accurate results, efficient execution, and full compliance with industry standards.

By continuously investing in modern technology, we enhance reliability, minimize downtime, and seamlessly support the requirements of leading power and EPC contractors.

black blue and yellow textile

meet our clients

We are proud to work alongside leading organizations across Saudi Arabia’s energy and infrastructure sectors. Our growing client portfolio reflects the trust placed in TCC to deliver reliable, precise, and high-quality solutions for critical power projects.

Together, we support the Kingdom’s power infrastructure and contribute to a more reliable, high-performing energy future.

Our Services

At TCC, we provide integrated testing, commissioning, maintenance, diagnostics, and engineering solutions for substations and mega power plants across Saudi Arabia. Our experienced team and advanced technologies ensure every system is tested with precision, commissioned with confidence, and maintained for reliable long-term performance.

From testing to troubleshooting, from commissioning to continuous maintenance — TCC keeps critical power systems performing at their best.

an abstract photo of a curved building with a blue sky in the background

Maintenance Services

  • Preventive & Corrective Maintenance

  • Predictive & Condition-Based Maintenance

  • Electrical Diagnostics & Fault Finding

  • System Troubleshooting & Performance Testing

  • Root-Cause Analysis

  • Equipment Condition Assessment

  • Performance Optimization

  • Technical Reporting & Recommendations

Comprehensive maintenance and diagnostic services designed to keep critical systems reliable, efficient, and operational while minimizing unexpected faults and downtime.

an abstract photo of a curved building with a blue sky in the background

Testing Services

  • Protection System Testing

  • Transformer Testing

  • GIS Testing

  • Switchgear Testing

  • Cable Testing

  • System Accuracy & Performance Verification

Comprehensive testing and verification of electrical power systems and equipment to ensure accuracy, reliability, safety, and compliance with applicable standards.

an abstract photo of a curved building with a blue sky in the background

Operations Services

  • Pre-Commissioning

  • Full Commissioning

  • System Integration

  • Energization Support

  • System Validation

  • Project Delivery Support

Comprehensive electrical grid operation services covering soothly grid operation, quickly response faults handling, faults area isolating, providing alternative feed, faults repair coordination and restoring the grid to its normal to ensure stable and safe grid running

an abstract photo of a curved building with a blue sky in the background

Operations Services

  • Fault Area Identification & Isolation

  • Shutdown Planning & Coordination

  • Coordination with Technical Authorities & Subscribers

  • Maintenance Planning & Scheduling

  • Emergency Response & Rapid Service Restoration

  • Participates in system upgrade suggestions and

  • performance improvement

Comprehensive electrical grid operation services covering soothly grid operation, quickly response faults handling, faults area isolating, providing alternative feed, faults repair coordination and restoring the grid to its normal to ensure stable and safe grid running

an abstract photo of a curved building with a blue sky in the background

Engineering Services

  • Design & Re-Design

  • System Upgrades & Modifications

  • Protection & Setting Calculations

  • Project Coordination

  • Engineering Support

  • Technical Project Support

Comprehensive engineering and project support services covering system design, upgrades, calculations, and project coordination to ensure efficient execution, technical accuracy, and optimal system performance.

Get in touch

Address

RCRA7599 - 1st Floor - TCC HQ

Riyadh, Saudi Arabia

Contacts

+966 11 276 6655
info@TCC-Saudia.com

© 2026 Testing & Commissioning Company. All Rights Reserved.