A student researching electric grid modernization has taken the following notes:

• Smart grids use digital technology to monitor and manage electricity flow • Traditional grids are one-directional from power plant to consumer • Smart grids enable two-way communication and can integrate rooftop solar • The technology can detect and respond to outages in real time • Smart meters allow consumers to monitor and adjust their energy use

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The student wants to contrast smart grids with traditional electrical grids. Which choice most effectively uses relevant information from the notes?

A

Smart grids use digital technology to monitor and manage the flow of electricity efficiently.

B

Unlike traditional one-directional grids, smart grids enable two-way communication, allowing integration of rooftop solar and real-time outage response.

C

Smart meters allow consumers to monitor and adjust their energy use based on real-time data.

D

Smart grid technology can detect and respond to power outages in real time.

Correct Answer: B

Choice B. Contrasts one-directional vs. two-way communication to show differences.