Transmission losses are one of the biggest arguments in heating the home with gas vs. electric, since with gas you're getting 100% of the avalible heat from the fuel, as opposed to electric where at most 90% of the heat is converted into electricity at the plant, you lose another 7% in transmission and then another 1-2% in the heater itself = 18-19% energy loss from a coal or natural gas power plant vs. heating with gas in the home
There is a "loss" that comes from building a natural gas AND electricity infrastructure, instead of just one or the other. It's easier to go from electricity to heat, instead of natural gas to electricity.
For God's sake, stop researching for a while and begin to think!