Online Training Courses

Learning About Our Online Courses

Three Clear Training Pathways – Choose the Route That Fits Your Goal

G99 Training now offers three distinct online training pathways, each designed to meet different professional needs within grid compliance, witness testing, and power system modelling.

Whether you are looking to build technical knowledge, gain on-site competence, or develop specialist modelling skills, you can choose the pathway that best fits your goal.

Pathway 1 – Technical & Grid Compliance Training

(18 Courses | Knowledge & Understanding)

Designed for engineers, consultants, and managers who require a solid understanding of grid compliance and DNO requirements.

Covers topics including:

  • G98, G99, G100
  • EREC G74, P25, P28
  • BS EN 60909-0
  • Earthing standards (BS EN 50522 & BS 7430)
  • G5/5 harmonics
  • BESS and grid-connected applications
  • DNO expectations and best practice

Access options:
One-Day · One-Month · One-Year

Pathway 2 – DNO Witness Test Engineer Training

(17 Courses | Competence & Practical Readiness)

Designed for engineers who want to carry out DNO witness testing on live sites.

This pathway delivers approximately 90% of the required knowledge online, focusing on protection systems, commissioning, and testing procedures.

To complete the pathway, learners can attend a one-day practical workshop in Derbyshire, providing the final hands-on experience needed for real-world confidence.

Access options:
One-Day · One-Month · One-Year

Pathway 3 – DigSILENT PowerFactory Modelling Training

(Design & Study Skills)

For engineers and consultants needing practical PowerFactory modelling skills for DNO submissions, including:

  • Network modelling
  • Fault level and voltage studies
  • G99 submission reports
  • Understanding what DNO engineers expect in documentation

Access options:
One-Day · One-Month · One-Year

Explore the Training – Free

You can browse the full course catalogue free of charge before enrolling.

👉 Access the full training platform here:
Visit The Training Website

Get In Touch

If you are looking for a bespoke training session for your staff why not get in touch to discuss your requirements?

Our training sessions can be held at your offices or workshop.

Contact Us Today

Accreditations

Testimonials

  • Everything is transparent. It was very good.

    Pat Thompson

    Very informative, Dave is a wealth of knowledge and breaks the course down to make training simple.

    Richard Fitzgerald

  • The training was very informative and paced to suit our level of knowledge and experience. I would highly recommend the training for anyone looking at G99 relay testing.

    Thomas Jones

    I thoroughly enjoyed it and the lunch were a good position and laid out very nicely. I like my food, thank you very much.

    Johannes Moolman

  • First to give a bit of context, I had limited knowledge regarding G99 requirements and I’ve never done any protection relay testing before. But thanks to Dave, I really understand the purpose of the test and how to perform it on the G99 relay. It is also nice to have access to the online courses to expand my understanding on the G99 grid connection process.

    Jonathan Le Blanc

    Thanks Dave. Excellent Course Material.

    Quentin Oakley

  • Really Helpful, Great Information. All Great, Thanks.

    Robert Smith

    All Great! Excellent!

    Wayne Dubois

  • The work they did impressed me on multiple levels. I have been very happy about the whole process and they have done a great job. Always helpful with our questions!

    Richard Brennan

    We have been very much impressed by G99 Training. Needless to say we are extremely satisfied with the results. Thank you!

    Elena Gonzales

  • Great Job. And all because of the awesome guys from G99.training.

    John Jones

    I really liked the training given on the testers.

    Andrew Evans

  • The course is a lot more intensive than I had expected, but great information.

    James Mabbet

    Loved this course.

    Jamie Dunleavy

  • Everything is transparent. It was very good.

    Pat Thompson

  • Very informative, Dave is a wealth of knowledge and breaks the course down to make training simple.

    Richard Fitzgerald

  • The training was very informative and paced to suit our level of knowledge and experience. I would highly recommend the training for anyone looking at G99 relay testing.

    Thomas Jones

  • I thoroughly enjoyed it and the lunch were a good position and laid out very nicely. I like my food, thank you very much.

    Johannes Moolman

  • First to give a bit of context, I had limited knowledge regarding G99 requirements and I’ve never done any protection relay testing before. But thanks to Dave, I really understand the purpose of the test and how to perform it on the G99 relay. It is also nice to have access to the online courses to expand my understanding on the G99 grid connection process.

    Jonathan Le Blanc

  • Thanks Dave. Excellent Course Material.

    Quentin Oakley

  • Really Helpful, Great Information. All Great, Thanks.

    Robert Smith

  • All Great! Excellent!

    Wayne Dubois

  • The work they did impressed me on multiple levels. I have been very happy about the whole process and they have done a great job. Always helpful with our questions!

    Richard Brennan

  • We have been very much impressed by G99 Training. Needless to say we are extremely satisfied with the results. Thank you!

    Elena Gonzales

  • Great Job. And all because of the awesome guys from G99.training.

    John Jones

  • I really liked the training given on the testers.

    Andrew Evans

  • The course is a lot more intensive than I had expected, but great information.

    James Mabbet
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G99 Training
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