Computer Power-Management Software

The energy wasted by a single computer that remains in the full-power “on” state may seem pretty small in the overall scheme of things, no matter how long it remains idle. But it adds up—for a corporation with hundreds or thousands of workstations operating on a local area network (LAN) or a wide area network (WAN), that wasted energy translates to tens of thousands of dollars in unnecessary electricity expenditures each year.

Why is this important?
What are the options?
How to make the best choice
Who are the manufacturers?