Knowledge Centre

PEO publishes a variety of resources to assist licence holders in their roles and responsibilities, as well as guidance for applicants going through the licensure process.


Ontario professional engineers are part of a community of more than 87,500 PEO licence and certificate holders committed to enhancing the quality of life, safety and well-being in the province.

As Ontario’s engineering regulator, PEO relies heavily on its volunteers. More than 1,000 professional engineers, engineering interns and non-engineers volunteer their time each year on behalf of the association through their participation.

PEO's mandate, as described in the Professional Engineers Act, is to ensure that the public is protected and that individuals and companies providing engineering services uphold a strict code of professional ethics and conduct.

Online Learning Modules

PEO’s Online Learning Modules provide licence holders, volunteers, staff and applicants with various learning and development opportunities.

Practice Advice Resources and Guidelines

PEO offers a variety of practice advice resources to assist licence holders in providing professional and ethical engineering services.

Frequently Asked Questions

PEO does not require specific English, French or other language proficiency testing, and applicants are not required to be Canadian citizens or permanent residents to become licensed.

Read about the NPPE syllabus.

Three textbooks and several free resources are recommended as study materials to prepare for the NPPE:

Read about recommended study materials.

Several practice tests are available to help you prepare for the NPPE. These practice test questions are taken from previously held NPPE exams.

The practice test site has an NPPE preparation package available for purchase:

Order practice tests

Order an NPPE preparation package

The NPPE is a 2.5 hour, closed-book, online exam on ethics, professional practice, engineering law and professional liability. The exam has 110 multiple-choice questions based on six subject areas.

Please monitor the ‘Documents Received’ section under ‘Programs’ in the application portal. The status of this section will update from “No” to “Yes” when the required document is received. 

Candidates decide how to prepare for technical exams (e.g., self-study, taking a course or finding a tutor). They may refer to the Recommended Textbooks by Discipline.  

Yes. Technical exams are written online. Candidates may write technical exams outside Canada if they have high-speed internet and a webcam. 

No, you cannot declare the completion of the professional practice module as a CPD activity because the module is a separate mandatory element of the PEAK program.

If you also complete CPD activities for another regulator or your employer, you can add those activities to your CPD Report if they meet PEO’s CPD admissibility criteria.

No, the program will not allow you to complete CPD activities this year and carry forward any portion to a future year. That’s because you will be engaging in CPD every year on a continuous basis.