To save money on your power bill - use a toaster/convection oven to cook your meals and for your baking whenever possible. Mine will hold an 8x8 pan and has two racks. It keeps the kitchen cool as well.
Making Cookies in a Toaster Oven
Toaster Oven Nachos Recipe
Cleaning a Toaster Oven
Can I Make Cole Slaw With a Ninja Master Prep?
Broiler Creates Too Much Smoke in Kitchen?
Uses for Oven Racks