Criteria	Variable	Description
Minimum operation cost	1) Distance to landfills and transfer stations.	The closer sites are better due to reduced transportation costs.
Minimum operation cost	2) Distance to main roads
Proximity to the electrical grid	3) Distance to Electrical grid	The closer sites are better due to reduced transportation costs.
Minimum conflicts with sensitive land use	4) Distance to sensitive land uses (e.g. residential, educational services, medical services, etc.)	The more distant sites are better to avoid noise, odor and other annoying factors.
Land availability	5) Existence of vacant or derelict land	The selected site should not be currently used or allocated for a certain use.