Energy Management is defined as

• A. the set of devices that consume energy
• B. energy supply and pricing data
• C. the monitoring and controlling of energy consuming devices
• D. the process of converting energy to power

Answer: (C)

Monitoring and controlling energy use is the central idea here. Energy management focuses on watching how much energy devices and systems consume and actively regulating them to improve efficiency, reduce waste, and manage demand. That’s precisely what the described option captures: overseeing energy-consuming devices and adjusting their operation to save energy and optimize performance. In practice, this involves meters, sensors, and control systems that turn equipment on or off, adjust settings, and provide feedback to guide smarter usage. The other notions describe different things: the set of devices that consume energy refers to the loads themselves, not how we manage them; energy supply and pricing data relate to procurement and market information; and converting energy to power describes energy conversion or generation, not management.