>But even with your stats above there's a simple hole - "energy" is not the same as electricity.
>
>Someone who heats with gas or oil or wood (or solar or geo-thermal) and doesn't own an air conditioner in the first place might well have half or more of their electricity consumed by lighting.

Which is almost exactly my parents' case. Gas heat, no central air, just two window units (in a 5-bedroom house, yet). When it gets really hot, they pretty much live in their bedroom and the dining room/kitchen combo.

Tamar