Disclosed are methods and systems for centralized operations management of a plurality of sites. For instance, a method may include providing a site management controller to each of a plurality of sites and configuring the site management controller to: obtain site data from each site in a respective data format; generate an abstract representation of the each set of site data using a respective algorithm for each site; process the abstract representations of the site data of each site; convert the processed abstract representations of the first site data to a concrete representations of the each site data in a common concrete data format; and export the concrete representation of the first site data to a user device for comparison and benchmarking.