I have a theory that I am trying to develop empirical support for. I believe that the migration of people from the Rust Belt to the Sun Belt has caused an increase in overall electricity usage and carbon emissions due to increased air conditioning demand. This page from EIA indicates that about 13% of electricity usage is due to air conditioning, while only 9% is due to space heating. I suspect that much of this heating is actually used in the South (like my house in Virginia), because in colder climes houses are much more likely to be using oil or gas heaters (like the house where I grew up in Massachusetts).
Specifically, I want to examine the very high population growth in very hot states (Texas, Florida, Georgia, North Carolina) compared to the very high out-migration from Ohio, Michigan, New York, etc.
I need more evidence to test my theory. I am looking for a breakdown of electricity by usage and by state (or at least by region). If I know the average annual per-capita kW-h usage for air conditioning, space heating, water heating, and boiler fans in both Texas and Ohio, I can calculate the net carbon effect of moving from one state to another. Also, electricity doesn't cover everything; the farther north you go the more likely that heat will be provided by natural gas (or the older oil boilers).
The EIA has some information that I want, but does anyone know where to find detailed breakdowns by state (or region) of both electricity usage and fossil fuel heating?