Massive cost issue, plus some technical issues. According to this document [1]: "The North Carolina Utilities Commission studied the cost of placing Duke Pow

Massive cost issue, plus some technical issues. According to this document [1]: "The North Carolina Utilities Commission studied the cost of placing Duke Power’s distribution facilities underground and found it would cost more than $41 billion, resulting in a 125 percent increase in customer rates." [1] http://www.sceg.com/NR/rdonlyres/465E6534-2FFB-4069-BF84-81465AEEF887/0/%20Undergroundvs.pdf http://www.sceg.com/NR/rdonlyres/465E6534-2FFB-4069-BF84-814...,