TESDA Diesel Power Plant Maintenance NC III Course

The Diesel Power Plant Maintenance NC III is a training program that aims to equip individuals with the necessary knowledge and skills to maintain diesel power plants. This program focuses on training learners in diagnosing and repairing diesel engines, servicing alternators, and fixing electrical systems in diesel power plants.

Also read: TESDA CNC Milling Machine Operation NC II Course

The program is administered by TESDA, which provides trainees with hands-on experience and training to become competent diesel power plant technicians. The Diesel Power Plant Maintenance NC III is an excellent opportunity for individuals who are passionate about engines and eager to learn how to maintain them. By successfully completing this program, individuals can enhance their job prospects and increase their earning potential in the field of diesel power plant maintenance.

Diesel Power Plant Maintenance NC III

What is Diesel Power Plant Maintenance NC III?

This course aims to improve trainees’ understanding, skills, and mindset in overhauling diesel engines, diagnosing and repairing diesel engines and electrical systems of diesel power plants, and servicing alternators/generators. This course also covers workplace communication, leading small teams, negotiation skills, problem-solving, mathematical concepts, relevant technologies, mensuration and calculation, interpreting specifications and manuals, shop maintenance, basic bench work, and basic electrical work.

A person who has achieved this Qualification is competent to be.

  • Diesel power plant senior operation maintenance technician

Benefits of Taking Diesel Power Plan Maintenance NC III

Here are the top reasons why taking the Diesel Power Plant Maintenance NC III course by TESDA can benefit you:

  1. Gain In-Demand Skills: With the growing demand for diesel power plant technicians, this course will equip you with the necessary skills and knowledge to excel in this field. You will learn how to troubleshoot, repair, and maintain diesel engines, generators, and other power plant equipment.
  2. Opportunities for Advancement: With TESDA certification, you can open doors to various job opportunities in the power plant industry. You can also use this certification as a stepping stone for further career advancement and specialization in diesel power plant maintenance.
  3. Hands-on Training: The course includes hands-on training where you will have the opportunity to apply the theories and concepts learned in a real-life setting. This practical experience will not only enhance your skills but also give you an edge when entering the workforce.
  4. National Certification: Completing this course grants you a National Certificate (NC) III, which is recognized nationwide. This certificate serves as proof of your competency in diesel power plant maintenance and can boost your employability.
  5. Job Security: Due to the increasing energy demand, the need for skilled diesel power plant technicians will continue to grow. By completing this course, you can secure a stable job in a growing industry with opportunities for career growth.
  6. Contribution to Sustainable Energy: As the world shifts towards renewable and sustainable energy sources, diesel power plants still play a crucial role in providing backup and emergency power. By taking this course, you are contributing to the maintenance and sustainability of these vital sources of energy.
  7. Better Pay: With specialized skills in diesel power plant maintenance, you can expect better pay compared to other technical jobs. The demand for skilled technicians also leads to higher wages and benefits.
  8. Personal Growth: Finally, taking this course will not only benefit you professionally but also personally. You will gain confidence in your abilities and develop valuable skills such as problem-solving, critical thinking, and teamwork, which are applicable in various aspects of life.

In conclusion, enrolling in the Diesel Power Plant Maintenance NC III course by TESDA can bring numerous benefits to your career, personal growth, and contribution to the energy industry. It is a worthwhile investment that can lead to a fulfilling and promising future. So why wait? Enroll now and kickstart your journey towards becoming a skilled diesel power plant technician!

What are the Essential Skills that Need to Be Learned?

To improve performance, it’s important to develop essential skills in different areas.


  • Lead Workplace Communication
  • Lead Small Teams
  • Develop and Practice Negotiation skills
  • Solve Problems Related to Work Activities
  • Use Mathematical Concepts and Techniques
  • Use Relevant Technologies


  • Perform Mensuration and Calculation
  • Read, Interpret and Apply Specifications and Manuals
  • Perform Shop Maintenance
  • Perform Basic Bench Works
  • Perform Basic Electrical Works


  • Overhaul Diesel Engine
  • Diagnose and Repair Diesel Engine
  • Service Alternator/Generator
  • Diagnose and Repair Electrical System

Sample of Certificate of Completion


Training Duration

The training lasts 352 hours and covers all the competencies needed for Diesel Power Plant Maintenance NC III.

Also read: TESDA CNC Electric Discharge Machine (EDM) – Wire Cut Operation NC III Course


Trainees or students should possess the following requirements:

  1. Proficient in both oral and written communication;
  2. With good moral character
  3. Can do basic math calculations.
  4. Completion of training in all units of competency for Diesel Power Plant Operation and Maintenance NC II is a must.

This list does not include institutional requirements like education level or work experience that may be needed for trainees in the TVET program.


To enroll in this course, you will need the following documents:

  1. PSA Birth Certificate
  2. High School or College Diploma
  3. Certified True Copy of Official Transcript of Records or Form 137
  4. Certificate of Good Moral Character or GMRC
  5. 1 x 1 and/or 2 x 2 pictures

To obtain further details, please reach out to the enrollment site that aligns with your requirements. Kindly note that the criteria may vary.


The Diesel Power Plant Maintenance NC III is a comprehensive training program offered by TESDA. It aims to equip individuals with the necessary knowledge and skills to maintain diesel power plants. Through hands-on experience and practical training, participants learn to diagnose and repair diesel engines, service alternators, and fix electrical systems. This program provides a valuable opportunity for individuals passionate about engines to enhance their job prospects and earning potential in the field of diesel power plant maintenance.

Contact Information

Technical Education and Skills Development Authority (TESDA)
Office Address: BLDG 8, TESDA Gate 2, TESDA Complex, East Service Rd., South Superhighway, Taguig, Metro Manila.
Email Address: contactcenter@tesda.gov.ph
Telephone Number: 8887-7777
SMS Hotline: 0917-479-4370 (text only)
Website: https://www.tesda.gov.ph/
Facebook Page: https://www.facebook.com/TESDAOfficial

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