On Wed, 08 Nov 2006 12:04:00 GMT someone who may be Tony Bryer
wrote this:-

Do they have any sort of meter showing how
much electricity they have produced?

Depends on the facilities provided by the box that connects it to
the external supply.


--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54