How much is the cost to build an electrical system for a house?

The house I am trying to purchase does not have an electrical system or it has been obsolete. It's a house built around 1900 or 1920. It has been occupied in the late 90's though so it had to have modern systems. I'm not sure what happened to it though. Do I contact an electric provider for my city? Should I look for an independent electrician on craigslist? The house is very small; 2 bedrooms and one bathroom, around 700 square feet. It's consider a shell home. I just need the 2 necessities (electricity and plumbing) to work with it with renovation so I can get productive. Who do I call to have an electrical system installed or built for the house?