1. A method of managing workload, the method comprising: receiving, at a workload manager, energy consumption information associated with at least one of a first data center and a second data center that is remote from the first data center; receiving workload information about the second data center; and receiving, as controlled by the workload manager, at the first data center at least a portion of workload associated with the second data center based on at least one of the energy consumption information and the workload information.