>Energy production is kit a self contained endeavor. Transformers, steel, copper, pipe, valves, digital equipment for monitoring and control systems are just some of the necessary inputs for construction and maintenance.

Freight is a very poor way to measure electricity output. Both turbines and balance of plant equipment usually last 40 years (so we replace c. 2.5% in a given year) and now a days, most fuel is piped.

>Beyond that, efficient use energy production requires some place for it to be used, Generally home and industry appliances.

Yes, all of which is economic activity unrelated to freight.