Attention in the U.S. on this technology seems to be steadily growing. From the L.A. Business Journal:
The California Public Utilities Commission is getting ready for the day in the not-too-distant future when Internet connections will be available over electrical lines – just by plugging into the wall – instead of through phone lines, which require hooking up to a phone jack or cable connection.
The commission on Thursday proposed guidelines for a broadband over power line (BPL) program in California. The service is being tested in 26 other states, but not yet in California.
Until San Diego Gas and Electric planned a BPL pilot program this month, California was the only large state in the U.S. without a pilot program underway by any of its public utilities, according to the PUC press release.