AEE Certified Energy Manager (CEM)
Certified Energy Manager (CEM)
More study resources
Cheat sheet
Keep the key ideas within reach.
ExploreKey terms
Get comfortable with the vocabulary.
ExploreStudy plan
Give each week a clear focus.
ExploreCommon mistakes
Understand the traps and how to avoid them.
ExploreCase studies
Put your knowledge to work in context.
ExploreExam-day guide
Prepare for the day ahead.
ExploreAbout this exam
The Certified Energy Manager (CEM®) is a professional credential awarded by the Association of Energy Engineers to individuals who can demonstrate broad, practical knowledge of energy management. It is aimed at engineers, facility and plant managers, energy consultants, commissioning and sustainability staff, and others accountable for reducing energy use and cost in commercial, institutional, and industrial facilities. The exam is drawn from a published body of knowledge organized into sections covering Codes and Standards, Electrical Power Systems and Motors, Maintenance and Commissioning, Energy Audits and Instrumentation, CHP Systems and Renewable Energy, HVAC Systems, Building Automation and Control Systems, Thermal Energy Storage Systems, Lighting Systems, and Energy Savings Performance Contracting and Measurement and Verification. AEE revised that body of knowledge in 2018: the High Performance Buildings section moved into Codes and Standards, Motors and Drives merged into Electrical Power Systems and Motors, and subtopics such as electronically commutated motors, micro-grids and battery storage, smart pumps, chilled beam systems, the Internet of Things, phase change materials, thermal storage for heating, luminaire-specific lighting controls, and Utility Energy Services Contracts were added. AEE validates the exam through a Job Task Analysis roughly every five years. Preparation should center on the current body of knowledge, supported by AEE training programs or, for already-certified and lapsed CEMs, the two-day CEM Update course.
What you'll study
About AEE Certified Energy Manager (CEM) preparation
What topics does the CEM exam cover?
The exam follows AEE's published body of knowledge, organized into sections on Codes and Standards, Electrical Power Systems and Motors, Maintenance and Commissioning, Energy Audits and Instrumentation, CHP Systems and Renewable Energy, HVAC Systems, Building Automation and Control Systems, Thermal Energy Storage Systems, Lighting Systems, and Energy Savings Performance Contracting and Measurement and Verification. Each section carries subtopics that questions are drawn from.
How is the exam delivered?
AEE describes two routes: a live paper-and-pencil exam administered at the end of an approved live seminar, and computer-based testing at PSI remote testing centers. When the body of knowledge was revised, AEE announced that live paper exams used the new outline from September 14, 2018, while PSI centers used the previous outline until December 6, 2018.
How do I know whether my study material is current?
Check the revision date. AEE took a new form of the CEM exam into effect September 14, 2018, and directed candidates to review the updated body of knowledge posted on its CEM resources page. Any outline, outline summary, or prep guide predating that reorganization is likely to be misaligned with how the exam is now structured.
What actually changed in the 2018 revision?
Mostly a reorganization, plus some content additions. High Performance Buildings moved into Codes and Standards, and Motors and Drives merged with Electrical Systems to form Electrical Power Systems and Motors. AEE flagged new subtopics that could appear as questions: behavioral modification, electronically commutated motors, micro-grids and battery storage, smart pumps, chilled beam systems, the Internet of Things, phase change materials, thermal storage for heating, luminaire-specific lighting controls, and UESC.
How often is the body of knowledge updated?
AEE conducts a Job Task Analysis survey approximately every five years to examine the current state of the energy industry, including responsibilities and the knowledge and skills needed to fulfill them. The 2017–2018 JTA, run with test development partner Authentic Testing Corporation, confirmed the CEM exam continues to measure knowledge areas relevant to Certified Energy Managers.
I am already certified, or my certification lapsed. Is there a refresher?
Yes. AEE runs a two-day CEM Update program for existing CEMs who want a refresher and for lapsed CEMs who need AEE credits to get re-certified. It covers current energy management technologies, strategies, best practices and global trends, new regulations that could affect your organization, and funding mechanisms, rebates and tax benefits. Attendance is capped to keep discussion workable.
How many questions are on the exam, how long is it, and what is the passing score and fee?
Those specifics are not stated in the AEE announcements this page is based on, so confirm them with AEE before you register rather than relying on secondhand figures. What the announcements do establish is that the exam is ANSI-accredited, is validated through periodic Job Task Analysis surveys, and is built from the published body of knowledge.
In what order should I work through the domains?
Start with Codes and Standards, since that section absorbed High Performance Buildings and frames the regulatory context for everything else. Then take Electrical Power Systems and Motors, HVAC, and Building Automation together as a technical block, follow with Thermal Energy Storage and Lighting, and finish with CHP and Renewables plus Performance Contracting and M&V, where the financial and verification concepts build on the rest.
What are the most common ways candidates lose points?
Studying from an outline that predates the 2018 reorganization, and therefore missing relocated material such as High Performance Buildings under Codes and Standards. The second is skipping the newly added subtopics because they are absent from older prep material. Thermal storage for heating, for example, sits alongside cooling storage, so treat the storage section as covering both.
Does AEE offer training that supports exam preparation?
Yes. AEE lists certification training programs, certificate and professional development programs, scheduled programs, on-demand training, training partners, and the option to request private training. Candidates who sit a live paper exam take it at the end of an approved live seminar. Training is not a substitute for the body of knowledge, but it maps directly onto the exam outline.