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Certified Energy Manager Audit & Billing Flashcards

7 cards from real CEM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Certified Energy Manager Audit & Billing flashcards as text

  1. Which billing demand charge is typically based on the highest 15-minute average power demand recorded during the billing period?

    Answer: Peak demand charge

    Peak demand charges are assessed based on the highest 15-minute average kW demand recorded within the billing period.

  2. A ratchet clause in a utility tariff typically bills the customer based on what percentage of their peak demand recorded over a specified prior period?

    Answer: 75%

    Most ratchet clauses bill the higher of actual demand or 75% of the peak demand recorded within the past 11–12 months.

  3. During an energy audit, the auditor identifies that a facility's power factor averages 0.78. What is the MOST likely financial consequence?

    Answer: Power factor penalty on the utility bill

    Utilities impose power factor penalties when power factor falls below a threshold (commonly 0.85 or 0.90), increasing the effective billing demand.

  4. When reviewing a natural gas bill, a CEM notices a 'therm' unit. One therm is equivalent to approximately how many BTUs?

    Answer: 100,000 BTU

    One therm equals 100,000 BTU, a common natural gas billing unit in the United States.

  5. An energy auditor discovers interval data showing high demand spikes only between 7:00–9:00 AM on weekdays. The BEST initial recommendation is to:

    Answer: Implement load shifting to off-peak hours

    Load shifting moves energy-intensive processes from peak to off-peak periods, directly reducing demand charges.

  6. Which type of energy audit provides the most detailed analysis including capital cost estimates and ROI calculations for specific measures?

    Answer: Level III (Detailed Analysis of Capital Intensive Modifications)

    A Level III audit provides detailed engineering analysis, accurate cost estimates, and financial metrics for capital-intensive projects.

  7. On a utility electric bill, the 'energy charge' component bills for:

    Answer: Total kilowatt-hours consumed

    The energy charge is calculated by multiplying the total kWh consumed during the billing period by the applicable rate per kWh.