http://blogs.technet.com/b/ipv6/archive/2009/11/02/ipv6-considered-for-the-smart-grid.aspxThe Smart Grid, a modernization and automation of the United States power grid, will potentially need millions of devices, each with their own address. Due to the relative scarcity of public IPv4 addresses and the complications of using address translatorsen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)