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AEE CEM Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Building Automation and Controls | 5% | - Building management systems - Control systems and strategies - Automation and optimization |
| Energy Savings Performance Contracting | 5% | - Contract structures and financing - Guaranteed savings and risk allocation |
| Energy Accounting and Economics | 15% | - Life cycle costing and economic analysis - Time value of money, NPV, IRR, payback analysis - Energy units and conversions - Utility rate structures and tariffs |
| Distributed Generation and Renewable Energy | 4–6 | - Combined heat and power (CHP) - Grid integration and economics - Solar, wind, biomass, geothermal |
| Measurement and Verification | 5% | - M&V protocols and standards - Baseline development and savings calculation |
| Electrical Power Systems and Motors | 15% | - Power distribution and quality - Power factor correction and load management - Motor systems, efficiency and controls |
| Energy Storage Systems | 3–5 | - Storage technologies and applications - Integration and benefits |
| Industrial Systems | 6–8 | - Process energy efficiency - Compressed air, pumping, and drying systems |
| Operations, Maintenance and Commissioning | 5% | - Maintenance best practices - Commissioning and retro-commissioning |
| Lighting Systems | 10% | - Design and control strategies - Daylighting integration - Lighting technologies and efficiency |
| Boiler and Steam Systems | 4–6 | - Operation and efficiency - Maintenance and optimization |
| Energy Audits and Instrumentation | 10% | - Data collection and analysis - Energy performance indicators - Measurement tools and instrumentation - Audit levels and methodologies |
| HVAC Systems and Building Envelope | 15% | - Thermal envelope performance - Heating, ventilation and air conditioning - Load calculation and system selection |
| Codes, Standards and Regulations | 5% | - Compliance and reporting requirements - Energy efficiency codes and standards - Sustainability policies and frameworks |
AEE Certified Energy Manager (CEM) Sample Questions:
1. In a chilled water thermal energy storage system, chilled water is stored at 4°C and used for supply water.
Chilled water return is 14°C. Calculate the storage capacity required to hold 50 GJ of thermal cooling. (The specific heat of water (C) is 4.2 kJ/kg-°C. Assume no system losses.)
A) 2,618 m³
B) 4,180 m³
C) 1,191 m³
D) 766 m³
E) 1,356 m³
2. An energy-saving project costs $540,000. The project will have maintenance costs of $25,000 per year. The energy savings from the project are $160,000 per year. What is the simple payback of the project?
A) 5.0 years
B) 4.0 years
C) 2.0 years
D) 3.0 years
3. A fully-loaded heat pump unit delivers 36-kW thermal heating with a power draw of 12-kW electric. What is the coefficient of performance (COP) at full load?
A) 2.0
B) 5.0
C) 4.0
D) 6.0
E) 3.0
4. For general indoor residential lighting applications, which lamp would you recommend to replace an 11 watt CFL with in order to provide the most appropriate illumination with the highest efficacy?
SELECT THE CORRECT ANSWER
A) 10 watt light-emitting diode
B) 4 watt incandescent
C) 36 watt fluorescent tube with electronic ballast
D) 7 watt light-emitting diode
E) 5 watt low-pressure sodium
5. A motor operates with a normal and constant load. The electric current is measured to be 25% of the motor's nameplate rating. What does this mean?
A) The motor is oversized and may be downsized to increase efficiency
B) The applied voltage is too high and should be reduced to improve efficiency
C) The applied voltage is too low and should be increased to improve efficiency
D) The motor is operating at high efficiency
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: E | Question # 4 Answer: D | Question # 5 Answer: A |
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