As data center operators and architects consider different ways to make their data centers more efficient, often the last area they consider is lighting. While lighting only comprises 3 to 5 percent of a data center’s energy load, it’s one of the easiest areas to address—one that will help take a data center with good Power Utilization Effectiveness (PUE) to one with great PUE. Lighting has not gone unnoticed by industry experts. The Telecommunication Infrastructure Standard for Data Centers ANSI/TIA-942-A recommends that data center operators implement LED lighting within their facilities. However, just changing the lighting doesn’t make the data center as efficient as it can be. In this paper, we will look at different approaches to data center lighting and define the approach that requires the least amount of light and results in thegreatest overall efficiency.
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