After examining the new data center, the project leader found the value of project’s NPV in negative, however it was not so high but it was enough to concentrate. The senior project leader is examining the directions to move ahead, as she has a meeting with her boss at 3:00 p.m. in order to define her evaluation outcomes. After the meeting between these two, on the economics of green practices from the perspective of new data center of bank, she came up with some attractive ideas to define the cost of investment in green technologies; the major part of the cost in a data center was the costs of power and cooling infrastructure, and the innovative technologies had the potential to significantly reduce this cost.