Hi there,
I understand your frustration if you are new to FPGA design.
I would suggest that you take one-step at a time.
Firstly, to get a general idea about EPE, watch the following youtube video: https://www.youtube.com/watch?v=5IMLMiBxIKE
Or for more detailed training: https://www.intel.com/content/www/us/en/programmable/support/support-resources/support-centers/power-support.html
Going back to your problem statement: Can we provide a power consumption number?
Frankly- No. Why? Because each FPGA design is different, and thus the power consumption is different.
However, I can guide you towards that number based on your design.
It takes some cooperation between the Hardware Engineer such as yourself, the RTL engineer and Thermal engineer to get started.
There must be some team planning that has already been done before you should get started, thus I believe there are already some info that you can use to plug into the EPE.
1) RTL engineers should have done some floorplanning and identifying what IPs are needed. Also, I expect that the RTL engineers would already have some RTL in-testing. At this stage, you should already have a design skeleton....and this is a good starting point.
RTL engineer can provide a EPE import file. Follow the steps here: https://www.youtube.com/watch?v=NntUdw7EOc0
2) Thermal Engineer should have some planning on what kind of cooling solutions. How much airflow, what kind of heatsink, etc. Why you need this info? Because the cooler the fpga, the lower the static power, thus lower power consumption. Select the cooling solution in the EPE that best reflect your design.
3) Combine the info from (1) and (2), populate the EPE. From the EPE, you will have an idea how much current each rail consumes. Then, as hardware engineer, you can proceed to design your power tree.
I hope this helps.
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