tva logoTennessee Valley Authority

Selection Testing for Operations and Maintenance Training

Candidates must pass a selection test to be considered for TVA’s operations and maintenance training programs. These aptitude tests predict performance in training and on the job. If you apply on a position that requires testing and you are selected to be tested, you will receive an invitation via email. It is imperative that you keep your contact information in your account up-to-date.

EEI Testing

The EEI (Edison Electric Institute’s) POSS (Plant Operator Selection System) and MASS (Power Plant Maintenance) tests are used for the following positions:

  • Student Generating Plant Operator
  • Instrument Mechanic Trainee
  • Electrical Technician Trainee
  • Mechanical Technician Trainee
  • Hydro Technician Trainee
  • Combustion Turbine Technician and Combined Cycle Technician Trainee

Test questions cover the following areas:

  • Algebra
  • Reading comprehension
  • Mathematical usage
  • Spatial ability
  • Using tables and graphs

Preparing for the test may improve your performance on it. Note that calculators are not permitted during the test. Information, test-taking tips, and practice tests for the Plant Operator Selection System (POSS) and Power Plant Maintenance Positions Selection System (MASS) are available on the Edison Electric Institute (EEI) website at the following links:

When accessing these links use the following name and password:

Name: tva
Password: recruit

An EEI Test Preparation Course may be available at a community college near you. For more information, contact the schools listed below:

Chattanooga State Community College, Chattanooga, Tennessee

Northwest Shoals Community College, Muscle Shoals, Alabama

Bismarck State Community College offers an online industrial aptitude course designed to expose students to a variety of types of lessons and questions focusing on reading comprehension, mechanical aptitude, spatial aptitude and general mathematics that they will face in an Industrial Aptitude test. Information about this course can be found at:

AIR Testing

The AIR (American Institute of Research) test is used for the following positions:

  • Groundman Trainee
  • Lineman Apprentice
  • Electrician Apprentice

Test questions cover the following areas:

  • Algebra
  • Reading comprehension
  • Mathematical usage

There is no study guide on the market that specifically pertains to the AIR test. However, the following resources may help you prepare for the exam:

  • “501 Reading Comprehension Questions,” by Learning
  • Express “1001 Math Problems,” by Learning Express
  • Macmillan’s “Mechanical Aptitude and Spatial Relations Test”
  • Barron’s “Arithmetic the Easy Way” and “English the Easy Way”
  • Barron’s “Armed Services Vocational Aptitude Battery” (ASVAB)
  • Arco’s “Everything You Need to Know to Score High on the ASVAB”
  • “ASVAB/ AFCT: Armed Services Vocation Aptitude Battery/ Armed Forces Classification Test,” by Douglas A. Prybylowski
  • “The Best Test Preparation for the ASVAB - Armed Services Vocational Aptitude Battery,” by M. Fogie
  • l “How to Do Your Best on Tests,” by Sarah Dulaney Gilbert
  • “Test Taking Strategies, Vol. 1,” by Judi Kesselman-Turke.


EEO Statement

TVA is an Equal Opportunity employer and complies with all applicable laws and regulations regarding equal employment opportunities. Any applicant or employee who believes s/he has a discrimination claim (including harassment or retaliation) must contact TVA’s Equal Opportunity Compliance office within 45 calendar days of the event or action s/he believes to constitute discrimination, harassment, or retaliation.


Non-U.S. residents should read TVA's Citizenship Policy.


Individuals interested in claiming veterans’ preference should read the Information for Claiming Veterans’ Preference.


top of page



Content for id "future1" Goes Here
Content for id "future2" Goes Here
Content for id "future3" Goes Here