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AEE CEM Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Electrical Power Systems and Motors | 15% | - Motor systems, efficiency and controls - Power factor correction and load management - Power distribution and quality |
| Topic 2: Energy Savings Performance Contracting | 5% | - Guaranteed savings and risk allocation - Contract structures and financing |
| Topic 3: Building Automation and Controls | 5% | - Building management systems - Automation and optimization - Control systems and strategies |
| Topic 4: Energy Audits and Instrumentation | 10% | - Data collection and analysis - Audit levels and methodologies - Measurement tools and instrumentation - Energy performance indicators |
| Topic 5: Energy Storage Systems | 3–5 | - Integration and benefits - Storage technologies and applications |
| Topic 6: Distributed Generation and Renewable Energy | 4–6 | - Grid integration and economics - Combined heat and power (CHP) - Solar, wind, biomass, geothermal |
| Topic 7: Measurement and Verification | 5% | - Baseline development and savings calculation - M&V protocols and standards |
| Topic 8: Lighting Systems | 10% | - Lighting technologies and efficiency - Daylighting integration - Design and control strategies |
| Topic 9: HVAC Systems and Building Envelope | 15% | - Heating, ventilation and air conditioning - Thermal envelope performance - Load calculation and system selection |
| Topic 10: Boiler and Steam Systems | 4–6 | - Operation and efficiency - Maintenance and optimization |
| Topic 11: Operations, Maintenance and Commissioning | 5% | - Commissioning and retro-commissioning - Maintenance best practices |
| Topic 12: Codes, Standards and Regulations | 5% | - Compliance and reporting requirements - Sustainability policies and frameworks - Energy efficiency codes and standards |
| Topic 13: Energy Accounting and Economics | 15% | - Energy units and conversions - Time value of money, NPV, IRR, payback analysis - Utility rate structures and tariffs - Life cycle costing and economic analysis |
| Topic 14: Industrial Systems | 6–8 | - Process energy efficiency - Compressed air, pumping, and drying systems |
AEE Certified Energy Manager (CEM) Sample Questions:
1. A 75-kW induction motor operates at 80% partial load and 88% efficiency. A new high-efficiency 75-kW motor can be installed that will operate at 95% efficiency (also at 80% partial load). What is the reduction in electric power demand?
A) 4 kW
B) 1 kW
C) 2 kW
D) 5 kW
E) 8 kW
2. A heat pump water heater has an annual average coefficient of performance (COP) of 2.1 and heats water from 15°C to 50°C. Hot water use is 100 liters per day, 365 days/yr. The electricity cost is $0.10/kWh. What is the annual water heating cost? (The specific heat of water (C) is 4.2 kJ/kg-°C.)
A) $64.66/year
B) $88.29/year
C) $44.88/year
D) $70.97/year
E) $52.20/year
3. A facility has the thermal cooling load profile shown in the table below. The utility rate traffic has an no-peak time-of-use period that begins at 10:00 a.m ends at 7:00 p.m. What chiller capacity (output) is required for a load-leveling operating strategy?
[Question from the previous image, which was about chiller capacity for load leveling, but the table was missing]
A) 7.0 GJ/h
B) 8.0 GJ/h
C) 4.0 GJ/h
D) 5.0 GJ/h
4. Which is the best application for variable-speed drives?
A) Waste-water sewer lift pump
B) Centrifugal fan motor in a variable-air volume air-conditioning system
C) Centrifugal fan motor in a multi-zone air conditioning system
D) Reciprocating air compressor
5. Which of the following is NOT a typical benefit of performance contracting from the building owner's perspective?
A) Maintenance services provided by the performance contractor can add value to the overall savings achieved
B) The energy-service company can have a financial incentive to achieve projected savings
C) Performance contracting can provide access to external financing when the owner may not have sufficient equity for in-house financing for large projects
D) Performance contracting is a simple and quick process
E) Net cash flow can be neutral or positive for the owner
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: D |
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