Solar farms is a big topic.
Wiki is a useful source to start for info..such as this example..
But there is also an active thread, debating some of the more detailed issues , running on this forum..
https://endless-sphere.com/forums/viewt ... =7&t=89002
To give you a head start , make sure you understand the meaning of terms like
.. "Nameplate capacity", The MW figure used to describe a solar installation..usually its Maximim instantaneous rating.
..."Capacity Factor " (CF).. A % figure that compares the actual output (kWh) to the potential maximum over a year.
.......(typically 15-25 % for solar)
Also be aware that costs can be very variable depending on various local and federal incentives, grants, land values, etc etc.