ponytug
Super Member
Energy prices can be (always are?) quite local. In general, since a central generator has to burn natural gas / oil /coal to generate electricity with 40-80% losses, and then send the electricity down power lines, with more losses (I2R loss), before arriving at your house, it isn't the cheapest. PNW hydropower costs are a definite exception.
One thing to point out about cooling is that it takes much more energy to cool a building than it does to heat just due to the inherent inefficiencies in having to "push" heat into a hot outdoor environment. So while the difference in heating effects in winter may be close to negligible, especially if your home isn't sealed, the added heat in the summer is significant because of the inefficiency of pumping the extra heat out of the house as @CobyRupert pointed out above.
All the best,
Peter
One thing to point out about cooling is that it takes much more energy to cool a building than it does to heat just due to the inherent inefficiencies in having to "push" heat into a hot outdoor environment. So while the difference in heating effects in winter may be close to negligible, especially if your home isn't sealed, the added heat in the summer is significant because of the inefficiency of pumping the extra heat out of the house as @CobyRupert pointed out above.
All the best,
Peter