I used my Kill-a-watt meter on it to see how much power it uses to "keep the water heated". It's surprisingly efficient. It doesn't keep the water hot all the time. The blue light on there indicates that it's ready to heat the water in the machine, but the water stays room temperature until you make a cup of coffee. It uses a hot coil to heat up the water very quickly. That coil in "ready" mode with the power on uses 2-watts continuously. On start-up it used 600 watts for about 2 seconds, then down to 2 watts. I didn't test it for the making of the cup of coffee, but that numer shouldn't really matter since a cup of coffee takes 15-30 seconds and then it goes back to "ready mode" with 2 watts being
Glad you posted this. I drink a good bit of coffee but my wife only maybe drinks a cup a day. Two years ago during a " we don't have anything new " phase she begged me to get her a keurig. I was philosophically opposed, but gave in eventually for our anniversary. I paid about 120 on sale for the top of the line model...figured if I was spending that much, I wanted the options I might enjoy ( temp control and varied size cups.)
we use primarily the refillable cups... ( a good one, not a cheapie) and the results with good coffee are very good. Not the best coffee ever, but simple clean up and easy to get out the door with no waste.
So, as someone who was opposed, I have come around a little. Aside from the actual purchase price, I find it to be a very useful device...
We make as much coffee as we want with zero waste, minimal clean up, and relative convenience for coffee that is easily better than most drip pots, and when done correctly rivals French press. The big plus for me is I always get a fresh cup. Additionally it costs a lot less to operate, compared to leaving a pot on all morning. Those things are big energy hogs, and the coffee tastes awful after it sits a little While anyway. The keurig heats only a small amount of water more efficiently. Don't know that we will ever recoup the cost of the pot in electricity savings...but overall, it works out for us and is clearly cheaper to operate than any other method available to actually make a cup when you consider cost of coffee and to heat the water. Coffee is a luxury item, but if you don't buy the Kcups, it is not an ongoing money drain.
Also, our model has an auto off timer. After I use it I can leave it on if I may want more, and it will shut off auto. Then wife can make here own fresh cup when she wakes up when I come home for lunch....;)