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To: KW Wingman who wrote (1533)	3/19/2000 11:48:00 AM
From: Roger A. Babb	Respond to of 3076

Wingman, the bandwidth of the primary is no greater than that of a single phone line. Makes no sense to have multiple houses sharing such limited bandwith. AC wiring may be used for communication within a building, but will never compete with phone lines and cable for connections back to Internet backbone. Typically three high voltage wires serve thousands of homes, no way they can all fit in for communication other than some simple function like meter reading. Even for meter reading it is cheaper to use phone lines.

To: KW Wingman who wrote (1533)	3/19/2000 4:11:00 PM
From: Dinesh	Read Replies (1) \| Respond to of 3076

Wingman Insofar as power management goes, the utilities may find collecting data aggregated at substation level - as opposed to collecting data from each meter - to be good enough. Power diversion decisions are not made at home level. Real-time data from each home may be an overkill. Besides, it is not as if the utility is going to shut down a home for want of payments -- too much politics, too many liabilities. Another argument against carrying signals from each meter upstream, through power transformers and all, would be the complexity of the job. The readings can be as easily carried up to a some sort of headend and then zipped up to the host via a wired or wireless connection. Regards Dinesh