How Power Grid Operators Are Deploying Hardware Like ‘Q-Box’ to Plug Cyber Holes Left by Software

Branko Terzic comments on Q-Box units and their value as an investment to protect energy systems from cyberattacks.

“They would be plant in service [rate base] and be depreciated over their economic lives. The cost of the Q-Box like other assets is part of the revenue requirement upon which rates are based. As rate base the Q-Box both earns a return and creates a depreciation expense,” Terzic said.

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