KiloWHAT?! Free interactive energy lab

Turn power into perspective

Feel the watts.

Pick a device, dial your electricity price, and watch everyday power turn into a very real monthly bill.

90¢/ kWh
50¢$1.00
200wattsGame console

More power makes the bubble bigger, brighter, and wobblier.

Active gameplay, not sleep mode

Live
$16.20
/ month
18 kWh per month$194.40 per year
3 hours/ day

Every 1¢ matters.

For a home using 900 kWh/month, each 1¢ change moves the bill by $9.00.

At 90¢$810.00/ month
At 20¢: $180.00That's $630.00 more

Choose a device

Built-in values are typical estimates—not measurements—so check the label for an exact model.

What is a kWh?

A kilowatt-hour measures energy used over time, not just power in the moment.

1,000watts×1hour=1kWh

Game console: 200 watts

Try a glowing ! device—or tap Surprise me—to uncover a counterintuitive energy hog.