This is an extension to IPID 31833-E and is the completion of IPID 31948. The invention is a means to evaluate the suitability of a communication network to transport electric grid telemetry from source locations (sensors on the grid) to destinations where the data would be used (various grid analytics, decision, control, and protection applications/devices/systems.) This invention makes use of elements of graph theory specially adapted to the problem at hand with the innovation that all possible uses of the communication network can be considered rigorously and simultaneously without the need for enumeration of specific use cases and without the need for simulations of any kind.The method is thus global (considers the entire network) and comprehensive (considers all possible network paths). As such, it can be used as an early stage planning tool (unlike other methods) but can be applied at any time in the life cycle of the communication network and the grid.