I only discovered MMM a few weeks ago, and until then, I, like other posters, hadn't paid attention to how much electricity I was actually using. Sure, I noticed if I owed more than expected, but I *never* looked at the Kwh usage. So I dug up my last bill (billing cycle ended Oct 11th) and looked at our Kwh history for all of 2012. We just moved into our 2200 sq ft house in mid-January, but last month was the lowest Kwh usage ever, and was still 1146!! Ouch!
In self defense, we do live in Virginia, which even MMM has said the American Southeast is awful in summer due to humidity, and this was a very hot year. And EVERYTHING in my house is electric: water heater, oven, heat/air conditioning, etc.
But we are now working on lowering the Kwh use. We've swapped out almost all the lightbulbs to CFLs, we unplug appliances like the toaster and coffee machine when we're not using them, etc. Next summer will be hard, since DH and my large dog love their air conditioning, but at least right now, we've got the heat set to 64. It's been the Twilight Zone lately, since DH is complaining he's cold, whereas I'm fine - and I'm the type who will still wear a cardigan in the Caribbean in August. Granted, a good portion of the few hours that i'm home and awake is spent cooking, so maybe if DH was standing in front of the stove, he'd warm up. :)
We also have 2 HVAC units, one is new, the other should be replaced soon. (I want it to die soon while it's still covered under the seller-paid home warranty). Maybe replacing that will help lower the Kwh?
My next electric bill generates in a few days, and I'm REALLY eager to see what kind of impact our changes have made.