Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
12.78%20gigawatt%20hours%20%2F%2012%20kilowatt%20hours
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
