Computers used in control systems to perform a particular process usually have high costs due to their specialisation for a very specific task. But is it possible to manage a process with a small-dimension mass-produced generic system? In some cases, yes, and this is being increasingly demonstrated by low-cost hardware available to both industry and individuals.
New control methods of energy distribution needs have required new communication ways, which have been many tines solved with new protocols. A security review to avoid unauthorized Access to private information is one task of main power companies.