02 037 6698
02 037 6698

Engineering Excellence in Power System Protection & Automation

MCL Engineering Co., Ltd. delivers reliable design, installation, testing, and commissioning services for substations, power plants, and industrial power systems since 2011.

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Service Areas

We help power systems run safely, reliably, and ready for real operation.

Protection System Engineering
Protective Relay Services
Fault Analysis & System
Testing & Commissioning
Substation Automation & Control
Communication Protocol Integration
Tele-Protection & Intertrip Systems
Power System Implementation & Grid Connection

Who We Are

MCL Engineering Co., Ltd. was established in 2011 by an experienced team with a strong background in power systems. We focus on delivering reliable engineering outcomes for critical electrical operations—covering power plants, substations, and industrial power systems.

Today, our delivery expands to support modern energy infrastructure, including solar farm electrical systems and power system upgrades aligned with evolving technologies while maintaining disciplined execution across consultation, design, installation, testing, and commissioning.

Why MCL Engineering

A focused engineering partner for protection, automation, and mission-critical power system delivery.

Specialist Expertise in Protection & Reliability

Deep capability in protective relays, fault analysis, relay coordination, and tele-protection—built for critical power operations.

End-to-End Delivery with One Accountable Team

Consultation, design, installation, testing, and commissioning—managed under a disciplined execution standard.

Proven Field Execution Across Complex Sites

Experience across substations, power plants, and solar farms—delivering practical solutions that work in real conditions.

Compliance-Driven Documentation & Testing

Structured testing methodology and clear technical documentation to support handover, operation readiness, and long-term maintainability.

Reference Projects

April 14, 2026

Siemens Energy – Suphanburi Power Plant Construction 1

MCL Engineering is proud to have been entrusted to support Siemens Energy in Project 1 for the Suphanburi power plant…

February 5, 2026

Thunder DAMAC Navanakorn

MCL Engineering is proud to be trusted in the Thunder DAMAC Navanakorn project, a development that reflects the growing demand…

February 5, 2026

Siemens Energy – Phetchaburi Power Plant Construction 8

MCL Engineering is proud to be part of project work associated with Siemens Energy in Phetchaburi. Project 8 reflects the…

February 5, 2026

Siemens Energy – Suphanburi Power Plant Construction 8

MCL Engineering was honored to support Siemens Energy in Project 8 at the Suphanburi power plant. This project represents another…

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Frequently Ask Questions

We provide power system protection, substation automation, testing, and commissioning services for substations, power plants, and industrial facilities.

Yes. We perform pre-commissioning and functional testing to ensure systems operate correctly before going live.

Contact us with your requirements. We will review your scope, recommend the right approach, and proceed with site assessment if needed.

Yes. We support control cabinet installation in substations and system connection integration to operator usage systems.

Yes. We support relay configuration, setting, coordination, and upgrades across all voltage levels.

We support protocol testing and troubleshooting including IEC 61850, DNP3, Modbus, and SEL protocols.

Yes. We implement intertrip and tele-protection systems for high-reliability power operations.

Yes. Our experience covers substations, power plants, industrial sites, and solar farm electrical systems.

Protection System Engineering

  • Will and Estate Planning
  • Prenuptial and Postnuptial Agreements
  • Divorce and Separation
  • Guardianship and Adoption
  • Child Custody
  • Inheritance Disputes
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Protective Relay Services

  • Purchase and Sale Agreements
  • Lease and Rental Agreements
  • Ownership and Transfer Assistance
  • Property Dispute Resolution
  • Eviction Proceedings
  • Property Taxation and Compliance
  • Title and Ownership Verification
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Fault Analysis & System

  • Debt Settlement and Collection
  • Bankruptcy
  • Financial Restructuring and Insolvency
  • Loan and Credit Agreements
  • Tax Planning and Compliance
  • Regulatory Compliance
  • Investment and Securities Law
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Testing & Commissioning

  • Business Formation and Structuring
  • Commercial Contracts and Agreement
  • Franchise Agreements
  • Non-Disclosure Agreements
  • Commercial Licensing and Regulatory Compliance
  • Intellectual Propery (IP) Protection and Licensing
  • Trade and Export Regulations
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Substation Automation & Control

  • Mediation and Arbitration
  • Commercial and Civil Litigation
  • Contract Disputes
  • Consumer Protection
  • Insurance Claims and Disputes
  • Intellectual Property Disputes
  • Debt Recovery and Enforcement
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Communication Protocol Integration

  • Work Permits and Visas
  • Residency and Citizenship
  • Outbound Visas for Thai Citizens
  • Visa Renewals and Extensions
  • Appeals and Overstay Issues
  • Deportation Defense and Advice
  • Document Translation and Legalisation
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Tele-Protection & Intertrip Systems

  • Employment Contracts and Agreements
  • Termination and Serverance Agreements
  • Workplace Policies and Compliance
  • Wrongful Termination Claims
  • Labour Disputes and Mediation
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Power System Implementation & Grid Connection

  • Medical Malpractice Defense
  • Healthcare Compliance
  • Financial Regulatory Compliance
  • Talent and Production Contracts
  • Licensing and Distribution Agreements
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