Problem Statement 
Data Centre (DC) energy consumption has doubled between 2000 and 2005 and grew by 50% from 2005 to 2010 consuming 1.5% of global energy with continued rapid growth. On average, computing consumes 60% of total energy while cooling consumes 35%. While new technology can lead to a 40% reduction computation and cooling typically operate without coordination or optimization. While server energy management can reduce energy use at CPU, rack, and DC level dynamic computation scheduling is not integrated with sensing and cooling. DC cooling typically operates at constant cold air temperature to protect the hottest server racks while local fans distribute the temperature across racks. However, these local server controls are not integrated with room cooling systems so it is not possible to optimize chiller, air fans and server fans as a system. The integration of renewable energy sources (RES) has received limited interest from the DC community due to lack of interoperability of generation, storage and heat recovery and installation and maintenance cost versus payback. The adoption of new technologies related to computing, cooling, generation, energy storage, and waste heat recovery individually requires sophisticated controls, but no single manufacturer provides a complete system so integration between control systems does not exist.

GENiC Solution 
To address this need for a complete systems approach GENiC will develop a novel scalable, integrated management and control platform for data centre wide optimisation of energy consumption by integrating monitoring and control of the primary data centre energy producing/consuming components: computation, communication, and data storage, cooling, local power generation, energy storage, and waste heat recovery. The platform will include open interfaces and a common data format and provide control and optimisation functions and decision support tools enabling data centre operators to achieve a substantial reduction in energy consumption, PUE and CUE. GENiC will also define a process and develop a tool chain supporting cost-effective integration of renewable energy sources into data centre power systems demonstrating renewable energy penetration in excess of 80%.

Genic solution

The fundamental premise of GENiC is that the energy consuming equipment in data centres must be supplemented with sustainable energy generation and storage equipment and operated as a complete system to achieve an optimal energy and emissions outcome. This vision is centered on the application of hierarchical adaptive supervisory control to operate all of the primary data centre components in an optimal and coordinated manner, minimizing energy use through: manipulation of local equipment controller set-points to achieve the maximum system efficiency regardless of individual component efficiencies; and provision of optimized control of computing load and cooling distribution to enable operation of servers closer to Service Level Agreement (SLA) and CPU reliability constraints.

GENiC Architecture