...chance to try out the emerging technology in his home in Potomac, Md. He signed up for a free trial offered by Current Communications Group and utility Potomac Electric Power Co. He has Internet connections on four computers, including a laptop...

...Cincinnati, which uses a different technology. There, local utility Cinergy Corp. formed a joint venture with Current Communications Group LLC of Germantown, Md., to sell broadband for $30 a month. The service is available to about 50,000...