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The data center we've affiliated with has had a commitment to the environment from its start. Because their green design is not just "tacked on" they are able to use much less energy than a company making the switch later. They have 120 solar panels that power all their servers. They use AMD powered IBM BladeCenter servers which use just 285 watts, less than half the power of the servers (625 watts) used by most companies. Their "power usage effectiveness" (PUE) is 1.14 whereas the EPA reports that most data centers have PUE's of 2.0-3.0. The 120 solar panels eliminate 34,488 lbs of Carbon Dioxide, 50.6 lbs of nitrogen oxide, and 37.4 pounds of sulfate (acid rain). The data center uses all redundant servers, network and data center systems The data center does not limit its green technology to solar panels, but uses multiple approaches to lower its energy consumption. Cooling is critical in a data center and this one collects rainwater off the roof to power their air conditioning system. Instead of using refrigerants, the cool air comes from evaporation of the rainwater. This method of air conditioning uses 90% less electricity than "normal" air conditioning. The data center is in the process of adding a green planted roof that can reduce temperatures in the building by 20 degrees or more. If you are technically inclined, these operating details provided by the data center may be of interest to you:
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