Electricity Consumption Usually Increases Due to the Below

Turn off electrical appliances when not in use. The load factor on those would then be zero.

Set adjustable appliances to run less.

Ask your local utility to help. They have a very friendly field engineer.

Here he is, at work installing new service.

That looks just like behind my computer desk

Making a strawberry daiquiri in a blender will draw less electric power than making a frozen margarita in the very same blender. Crushing ice cubes is a higher load factor than crushing fresh strawberries.

Teach your spouse and kids that setting the thermostat to 100 degf, or 40 degf, does not get the temperature where they want it any quicker - and good luck with that.

basicly that topic^{LINK ABOVE} gives you some clues of your appartment thermal balance dynamics

shortly by changing the t° setting 1deg may result in (relativley)huge change in E consumption (notice the saw-tooth pattern (it's the K'O))

Insulation looks to be far better in the convection oven. Especially when you consider the airflow!