The real story is a contest between a peaceful commercial venture that is respectful of property rights and stands ready to massively upgrade the energy infrastructures and bring new prosperity vs. a coalition of interest groups that have no skin in this game but have made protesting a way of life.
If you did it yourself about a dollar, if it is a standard outlet. Only do it if you have some electrical experience. If you were to call in an electrain to change it about $60 a hour depending on where you live. Source(s): Electrain, 4 years experience.
1 Three-way switches: It will cost about $60 to $70 to add a set of three-way switches, which includes wiring, two switches, and an outlet box.  Designer switch plates: If you want to add a stylish look to your new outlet, you can expect to pay $5 - $20 or more for a specialty switch plate.