The Xilinx Power Estimator (XPE) spreadsheet is a power estimation tool typically used in the pre-design and pre-implementation phases of a Virtex-6 FPGA design project. XPE assists with architecture evaluation and device selection, and helps in selecting the appropriate power supplyand thermal management components which might be required for your application.
It can be downloaded from the XilinxPower Solutions site:
http://www.xilinx.com/products/design_resources/power_central/ Please be sure to read the
XPE User Guide for usage details of the spreadsheet.