There are 168 hours in a week, but most devices are used no more than 50 hours, so it’s easy to see how a significant percentage of a law firm’s electrical usage can be wasted by having devices drawing power all the time.
Instances when power is used without knowing:
- computers can be configured to blank their screens when they’re not being used, but the computer can still draw substantial power;
- printers and copiers can take several watts of power just to be ready to print;
- servers can draw a substantial amount of energy even when users are not accessing them. In fact, the cost of running a server can be a significant percentage of its original cost. Older servers may be very inefficient, costing hundreds of dollars a year to operate;
- cell phone chargers can draw power even when the phone isn’t connected, or when it is connected but fully charged;
- coffee makers that can make coffee in an instant may do so by always keeping the water warm and ready to brew.
A large office might find it relatively easy to cut a kilowatt per hour for the entire year, resulting in saving almost a thousand dollars of electricity, four and a half tons of coal and about 10 tons of CO²!