The cost of electricity for running production equipment is classified as: 
Definitions:
Social Benefit
The total advantage to society from an action or policy, including both private benefits and externalities.
Public Good
A product that is non-excludable and non-rivalrous, which means it can be used by many people simultaneously without depleting its availability.
Consumption
The act of using goods and services for personal needs or satisfaction, often analyzed in economics to understand spending patterns and behaviors.
Marginal Social Benefit
The additional benefit to society as a whole from producing one more unit of a good or service.
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