The Energy Efficiency Potential of Cloud-Based SoftwareA Case Study Review by Aidan Windebank

What is Cloud-Based Computing?

•Web based service to host applications.

•Email, productivity software & other applications.

•Cloud is large, energy efficient server system.

How Much Energy Could Be Saved?

•Estimated 80-90% Energy Savings•Servers account for 1-2% Worldwide

energy use

The CLEER Model

Cloud Energy and Emissions Research Model

•Open Access

•Fully Transparent

U.S. Case Study

•Used CLEER model to asses energy savings in US business sector.

•Looked at most commonly used software applications.

•Currently hosted on local servers.

Case Study Results

Results

Results

Results

Limitations

•Access to publicly available data only•Many factors are assumed or predicted•Further use will curb uncertainties

Any Questions?

Data & Picture ReferenceMasanet, E., Shehabi, A., Ramakrishnan, L., Liang, J., Ma, X., Walker, B.,

Hendrix, V., and P. Mantha (2013). The Energy Efficiency Potential of Cloud Based Software: A U.S. Case Study. Lawrence Berkeley National Laboratory, Berkeley, California.