Silhouette of power lines under sunset sky. Duke Energy is seeking to modernize the energy grid to make it a two-way system, sending power and receiving it from renewable energy sources.
Silhouette of power lines under sunset sky. Duke Energy is seeking to modernize the energy grid to make it a two-way system, sending power and receiving it from renewable energy sources. Spaces Images/Blend Images AP
Silhouette of power lines under sunset sky. Duke Energy is seeking to modernize the energy grid to make it a two-way system, sending power and receiving it from renewable energy sources. Spaces Images/Blend Images AP

Duke Energy’s goal: make the one-way grid a two-way freeway

July 13, 2017 2:00 PM

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