Which parameter do electric distribution companies typically monitor to ensure service quality?

• A. Meters
• B. Power
• C. Hertz
• D. Current

Answer: (B)

Power is the parameter utilities monitor to ensure service quality because it reflects the rate at which energy is actually being delivered through the network. Tracking power flow helps utilities see how much energy is moving through feeders, detect overloads, and verify the system is delivering the planned energy while keeping voltages and equipment within limits. Meters measure energy usage, not the quality of delivery. Frequency (hertz) is crucial for grid stability but isn’t the primary service-quality indicator in this context. Current shows instantaneous flow but doesn’t alone indicate whether the network is adequately loaded or how it affects voltage and equipment ratings.