Can VC be used to calculate the energy consumed in production? How ?
There is probably no direct way to do this, but something like this could be done by scripting.
For example, you could have the energy consumption parameter added to every component, and then over time, you integrate the energy consumptions to get the total.
There is no such energy consumption parameter in VC.
The energy consumption could be a property for each machine. You need to add it yourself, and then use the property in each machine to calculate the total energy consumption.