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FREE CEM Exam Guide 2026: AEE Certified Energy Manager, 700/1040, 4 Hrs Open-Book
Key Facts
- The AEE CEM exam contains 130 questions with 120 scored and 10 unscored trial items in a 4-hour open-book format (AEE BoK Study Guide v1.7).
- The CEM passing score is 700 on a scaled score range of 0 to 1040 per the AEE CEM Body of Knowledge 2.0 (AEE).
- The AEE CEM application plus first exam attempt fee is 500 USD and is nonrefundable (AEE CEM Candidate Handbook v2.13).
- AEE charges a 250 USD retest fee for each CEM retake with a 60-day waiting period between attempts (AEE Handbook v2.13).
- CEM renewal costs 300 USD every three years and requires 10 professional credits, equal to 10 CEUs or 50 PDHs (AEE).
- The CEM Body of Knowledge 2.0 defines exactly 14 subject areas with HVAC Systems and Building Envelope the largest at 10 to 16 percent (AEE).
- CEM has six eligibility paths, the fastest being a 4-year engineering degree plus 3 years of related energy experience (AEE).
- The AEE CEM certification is accredited by the ANSI National Accreditation Board under ISO/IEC 17024 (AEE, ANAB).
- AEE has issued the CEM credential to more than 16,000 professionals across 40 plus countries since the program began (AEE).
- The Energy Manager In-Training designation is valid for 6 years while candidates complete the required energy experience (AEE).
CEM Exam 2026: The Complete AEE Certified Energy Manager Walk-Through
The Certified Energy Manager (CEM) is the flagship credential of the Association of Energy Engineers (AEE) -- the globally recognized professional certification for energy management, auditing, conservation, performance contracting, and measurement and verification. AEE has issued the CEM to more than 16,000 professionals across 40+ countries , and the program is accredited by the ANSI National Accreditation Board (ANAB) under ISO/IEC 17024 -- the highest standard in personnel certification. CEM is the first credential recognized under the U.S. Department of Energy's Better Buildings Workforce Guidelines , and AEE's CEM and CEA meet the energy-auditor criteria of ASHRAE Standard 211-2018 for commercial building energy audits.
This guide is rebuilt from the current AEE primary sources -- the CEM Candidate Handbook v2.13 and the CEM Body of Knowledge & Study Guide v1.7 (effective May 1, 2024), which references Body of Knowledge 2.0 -- to beat every other CEM walk-through online. It carries the verified 14 BoK 2.0 subject areas with their official percentage ranges , the real fee structure ( $500 application + first exam, $250 retest, $300 three-year renewal, $350 reinstatement ), the exact format ( 130 questions, 4 hours, open-book, scaled 0-1040, 700 to pass ), the six eligibility paths , the 60-day retake waiting period , the EMIT (Energy Manager In-Training) bridge for candidates short on experience, three delivery options including remote proctoring , and the open-book reference strategy that decides who passes.
Who this guide is for. Practicing mechanical, electrical, energy, industrial, and environmental engineers moving into energy management; ESCO project engineers; federal energy managers (FEMP); corporate sustainability staff with engineering or technology degrees; and PE-licensed engineers seeking a vendor-neutral energy-management credential. If you are deciding between CEM and the narrower AEE certs (CEA, CEP, BEP, CMVP, CLEP), the comparison table below maps each to the right role.
CEM At-a-Glance -- 2026
- Item 2026 Detail
- Issuing body Association of Energy Engineers (AEE), Atlanta GA
- Accreditation ANAB-accredited under ISO/IEC 17024
- Exam name Certified Energy Manager (CEM)
- Questions 130 (120 scored + 10 unscored, randomly placed trial items)
- Question format Multiple choice and true/false
- Time limit 4 hours (240 minutes)
- Open-book? Yes -- open book. Printed references and personal notes permitted; no computers, tablets, or phones
- Calculator Non-programmable hand calculator required
- Scoring scale 0 to 1040 scaled score
- Passing score 700 of 1040 (AEE CEM Body of Knowledge 2.0)
- Application + first exam fee $500 (nonrefundable, per AEE CEM Candidate Handbook v2.13)
- Retest fee $250 per retake (60-day waiting period between attempts)
- Three-year renewal fee $300
- Reinstatement fee $350 (if certification lapses)
- Renewal requirement 10 professional credits (= 10 CEUs or 50 PDHs) per 3-year cycle
- Training requirement AEE-approved training program required before the exam
Delivery options Live AEE seminar (proctored on final day), approved testing center, or remote proctoring via ProctorU
- Results Emailed within 30 days of the exam
- Validity 3 years
- Languages English
- Recognized by U.S. DOE, ANAB, ASHRAE 211, AF/Army/Navy/Coast Guard COOL, Air National Guard, FEMP
Sources: AEE CEM Candidate Handbook v2.13; AEE CEM Body of Knowledge & Study Guide v1.7; AEE "Becoming a CEM" page (aeecenter.org) -- all current for 2026.