A data center's critical power enters from outside the building. It comes from a grid which is shared by every other business and consumer in the area.

So it's clear that the critical power of a facility requires the operator to think outside the box.

Taking a long view, all developments in data center critical power will have an impact around the site, either by using shared power resources or by creating local power (and emissions).

This supplement looks at some of the ways experts in the data center field are reshaping data center critical power to move that integration forward.

Includes the following articles:

• The many ways to ditch diesel Operators are being very inventive in finding ways to cut UPS emissions
• Using waste compute Digital boilers use electricity twice to save money and emissions
• Backup comes to the fore With energy supplies in question, a short-term surge for diesels