A system and method is provided that generates an index, providing predictive and actionable intelligence to ensure that a Technology Infrastructure Group (TIG) makes tactical and strategic decisions in support of needs of customers. The invention measures overall health of an infrastructure, specifically with respect to how efficiently various services meet demand placed upon capacity by various Lines of Business. The invention provides an overall assessment of infrastructure capacity management and drills down to various services, components, subcomponents, etc. The invention provides a forecasting tool in which estimates made are not based only upon business forecasts provided by each Line of Business, but also upon forecasts developed by correlating external indicators with historical business volumes. Historical forecasts are compared to actual values to derive a confidence factor used for weighting future Line of Business forecasts. The combined, weighted forecasts obtained are more robust than any individual forecasts on their own.