| A watt-hour is a unit of work or energy equivalent to the power of one watt operating for one hour. |
| Although there are several different types of watt-hour meters, each consists essentially of a small electric motor and a counter. |
| With the cost of the Kyoto Protocol looming large on the horizon, every watt-hour we save represents fewer carbon-credits we need to purchase. |
| Viewed as analogues, many common devices can be considered as integrators examples being the odometer and the watt-hour meter. |
| In addition, the U. S. federal government offers companies a production tax credit for wind power equal to about 1.9 cents per watt-hour. |
| A watt is a unit of power, and a watt-hour represents the amount of energy produced or consumed by a one-watt device in one hour. |
