In article ,
"IMM" writes:

"Peter Parry" wrote in message
news
On Tue, 22 Jul 2003 22:48:09 +0100, "Neal Unitt-Jones"
wrote:

All electric water heaters are (at the point of delivery) 100%
efficient.

Cable loss can make that 97%.

Power station loss can make that less than 40%

--
Andrew Gabriel