By integrating various spatial, topographical and demographic databases, the Oak Ridge Siting Analysis for Power Generation Expansion (OR-SAGE) divides the U.S. into nearly 700 million 2.5-acre units that can be sliced and diced to determine if they are candidates for one or more types of electric power plant.
The International Institute for Applied Systems Analysis in Austria studies the timing of demographic milestones and recognizes the inscrutable variables.
ESRI's software's key strength is the "club sandwich effect" by which customers handle advanced spatial analysis with up to dozens of layers of data from economic, demographic and environmental databases.