The refrigerator on top of your television

All I can say is, "Wow."

There are 160 million so-called set-top boxes in the United States, one for every two people, and that number is rising. Many homes now have one or more basic cable boxes as well as add-on DVRs, or digital video recorders, which use 40 percent more power than the set-top box.

One high-definition DVR and one high-definition cable box use an average of 446 kilowatt hours a year, about 10 percent more than a 21-cubic-foot energy-efficient refrigerator, a recent study found.

These set-top boxes are energy hogs mostly because their drives, tuners and other components are generally running full tilt, or nearly so, 24 hours a day, even when not in active use. The recent study, by the Natural Resources Defense Council, concluded that the boxes consumed $3 billion in electricity per year in the United States — and that 66 percent of that power is wasted when no one is watching and shows are not being recorded. That is more power than the state of Maryland uses over 12 months.

Full story from the New York Times.

And then there's this from a few months ago, also from the Times:

In California, where about 400,000 people are licensed to grow marijuana for personal medical use or to sell to dispensaries, indoor cultivation is responsible for a whopping 8 percent of household electricity usage, costing about $3 billion yearly and producing the annual carbon emission of a million average cars.