1. A method comprising: determining a plurality of computing nodes for serving a job submitted to a cloud, wherein the cloud comprises the plurality of computing nodes; determining a peripheral associated with each of the plurality of computing nodes; computing a first energy usage at a first processing utilization of a first set of computing nodes of the plurality of computing nodes and of the peripherals associated with the first set of computing nodes; computing a second energy usage at a second processing utilization of a second set of computing nodes of the plurality of computing nodes and of the peripherals associated with the second set of computing nodes; evaluating the first energy usage and the second energy usage; and dispatching the job to the first set of computing nodes at the first processing utilization based, at least in part, on said evaluating the first energy usage and the second energy usage.