I just saw an article in The State about the South Carolina House passing tax incentives for new data center builds. Basically, it waives sales tax on power consumption, matching similar incentives in North Carolina and Virginia.
This should be interesting to see how South Carolina stacks up versus North Carolina for future builds from the likes of Google, Facebook, Apple, etc. South Carolina taxes are overall lower anyway (NC currently has the 6th highest gas tax in the country – versus 47th for SC), so it should give them a slight advantage. Additionally, the Upstate of South Carolina is very close to Atlanta, which is a major hub for Internet traffic.