Combinatorics,” at http://complexmodels.com/CentralLimit.aspx, “The Value of Aggregation in Variability Smoothing and Peak Reduction,” at http://complexmodels.com/Aggregation.aspx, and “The Value of Resource Pooling and Load Sharing Across a Grid,” at http://complexmodels.com/Grid.aspx, illustrate the benefits of demand aggregation: reduction in peak capacity needed as well as increased utilization.

