This 2010 article from Electric Light & Power explains the state of the market for SCADA and DMS. It includes details from a Newton-Evans research survey of utility buying plans. In text and charts, it highlights utility purchase plans; breaks out the popularity of different brands; and documents the growing number of "external links" -- outside systems that are now linking to the DMS.
Read the EL&P summary - The State of SCADA / DMS >>