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National Grid Assessments

    • 21 tests |
    • 248 questions

National Grid is a multinational company, with UK and US operations, focused on the transmission of electricity and gas to its customers. The application process is understandably rigorous; energy impacts millions of lives every second of every day.

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National Grid phone/video interview

Once you have passed the ability tests, you will be required to speak with an interviewer on the phone or computer for 30 minutes, to answer around three questions. These questions will be mainly based around your competencies in problem-solving, decision-making and communication.

Once you have your interview scheduled, it’s a good idea to practice your answers. Your interviewer will be expecting real examples – from the workplace, or volunteering, or perhaps as part of a club/society. It’s easiest when preparing for these types of questions to go with the STAR technique commonly used for interviews (Situation, Task, Action, Result).

You should also expect a question to test your knowledge of the industry. You’ll be asked a few follow-up questions too, so that you can have the opportunity to demonstrate how well you have understood the initial question, and to further elaborate on your answer.

Remember, the interview is there for you to showcase your enthusiasm and talent.

National Grid assessment centre

When you have successfully completed all other parts of the application process, you will be invited to an assessment centre, or required to be available for a virtual session.

Within this final stage of the process, you could be asked to complete some or all of the following exercises: an interview, a group exercise, a presentation task, retaking of online tests, and a technical test for the role (if applicable).

The interview will be a more detailed version of the one you had previously. It should last between 45 minutes to an hour. As before, you will be required to demonstrate key competencies required for the role, with evidence-based examples.

The group exercise is a great way to show your ability to work as a member of a team. It will be a problem-solving assignment, based on a fictional business scenario, and you will be working with other candidates. During the given time period, all candidates will be observed by National Grid business representatives. Afterwards, you will be expected to report your findings back.

The individual presentation centres on a case study that you will be given 90 minutes beforehand. Your presentation relating to this should last around 10 minutes, and will be an opportunity to demonstrate your ability to comprehend the information, as well as how confidently and clearly you can express yourself.

The technical tests (if applicable) will focus on a Manual Dexterity Test, and a Working at Heights Test.

As the name suggests, the Working at Heights Test exists to make sure that you are comfortable working at a height. You will be with a qualified climbing instructor throughout and will get full verbal instructions before your test.

The Manual Dexterity Test will test your ability to disassemble and rebuild a bus bar termination as accurately as possible. You will also get full verbal instructions.

Practice Aptitude Tests is not associated with National Grid. We provide preparation services for National Grid psychometric tests. Our tests are not designed to be identical to any style, employer or industry. Visit https://careers.nationalgrid.com/ to find out more.

Sample National Grid Tests question Test your knowledge!

A new piece of equipment reduces energy waste in a facility. If the pattern of energy savings starts at 5% with the first box and increases by 5% with each subsequent box, what is the total energy savings by the time the 4th box is reached?

  • 20%
  • 15%
  • 25%
  • 10%

If the current energy consumption rate of a grid is 450 megawatts per hour and it needs to be increased by 15% to support projected demand, what will the new consumption rate be?

  • 517.5 megawatts per hour
  • 500 megawatts per hour
  • 525 megawatts per hour
  • 485 megawatts per hour

A manager has budgeted $5,000 for safety upgrades. If each upgrade costs $625, how many upgrades can be implemented without exceeding the budget?

  • 8 upgrades
  • 6 upgrades
  • 7 upgrades
  • 9 upgrades

In a sequence where each box represents an incremental energy storage increase by a factor of 2 starting at 1 megawatt, what is the represented storage capacity of the 6th box in the sequence?

  • 32 megawatts
  • 64 megawatts
  • 16 megawatts
  • 128 megawatts

If the first box represents the implementation of one energy efficiency measure and each subsequent box doubles the number of measures, how many measures are represented by the 5th box?

  • 16 measures
  • 8 measures
  • 32 measures
  • 4 measures

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National Grid Tests Tips

1Familiarize Yourself with the Format

Internships can be competitive, and even more so with companies like National Grid where the stakes are all about shaping the future. To set yourself apart, get to grips with the types, formats, and structures of the tests they use. The more familiar you are, the more comfortable you’ll feel when the test day arrives.

2Keep Calm and Stay Positive

A lot of test success is about mindset. Go into your National Grid tests with a can-do attitude. Breathe deeply, take it one question at a time, and remember – it’s one step towards a brighter, energy-efficient tomorrow, thanks to your efforts and potential.

3Practice, Practice, Practice!

There’s no substitute for practice. Hone your skills with similar questions and timed scenarios you’ll find on Practice Aptitude Tests to build speed, accuracy, and confidence. After all, energy may be renewable, but time isn’t – so make every practice count!

4Review, Reflect, Repeat

After each practice session on Practice Aptitude Tests, take a moment to review your answers. Reflect on where you can improve and what strategies worked best for you. With repetition comes perfection – especially when it’s about powering up your career prospects.

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National Grid Tests FAQs

What are the National Grid tests?

National Grid uses aptitude and skills tests as part of their hiring process to assess candidates’ abilities in various areas relevant to the role. These might include numerical reasoning, logical thinking, and other job-specific competencies.

Are the National Grid tests hard?

The difficulty of the National Grid tests can vary depending on the role and your personal strengths. They’re designed to be challenging and to ensure candidates meet the high standards expected for a career in shaping the energy future.

How do I prepare for National Grid tests?

Preparing for National Grid tests is key to doing well. The best preparation includes practicing with simulated test environments and the kind of questions you’ll face. Practice Aptitude Tests offers a wealth of resources to help you get ready.

How long does the recruitment process take at National Grid?

The length of the recruitment process at National Grid depends on various factors but typically it may take several weeks from application to job offer. This time includes aptitude testing, interviews, and possibly additional assessments.

What are National Grid's core values?

National Grid’s core values include excellence, innovation, and sustainability. They seek individuals who not only have technical skills but who are also dedicated to a greener, more efficient energy future through responsible and forward-thinking actions.

Reviews of our National Grid tests

What our customers say about our National Grid tests

  • United Kingdom

    September 28, 2021

    Read the axes carefully

    Liked that you could hover your cursor over the graphs to get numbers. Wish the numbers and questions were different between the practice and timed test.

  • Iran, Islamic Republic of

    September 27, 2021

    Test Hits

    Well, it was not related to my subject of studies. You have to have greater hand speed and also need a laptop with Numpad, as that will decrease the response time.

  • Australia

    April 27, 2021

    Keep a calculator handy

    Some questions seemed a little confusing at first

  • United Kingdom

    March 06, 2021

    Not easy if you've not been in school recently

    Hard haven't done maths like this in years lol

  • United Kingdom

    February 07, 2021

    GOOD

    I liked how with the graphs the values were shown, so i didnt have to waste time zooming in