I am looking to set up a cake delivery business and I am creating a break even for it to educate me about the costs it would entail. However, I have no idea how many kWs it takes to bake a cake. Can anyone help?
closed as not a real question by Aaronut♦ Dec 11 '12 at 23:31
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.
As @derober's comment notes, to get a precise number will be darn near impossible. However with some assumptions and generalizations, we can make a guess.
A little Google research yields lots of interesting results. Here's one from BestBuy's appliance buying guide (link to CNet's buying guide, which seems to be a direct cut-n-paste ripoff of BestBuy's. Or vice versa)
Appliance Temp Time Energy Cost Electric Oven 350 1 hour 2.0kWh $0.16 Electric 325 45 min 1.39 kWh $0.11 Convection Oven
You can customize it to your oven and cooking time with some math. Say you do a little research and find out your oven uses 3.5kW/hour and you need to bake your giant sheet cake for 2 hours straight.
3.5kW/h * 2h * 0.08$/kW = $0.56
Running it for a 12 hour day?
3.5kW/h * 12h * 0.08$/kW = $3.36