Mike Armstrong wrote:
On 02 Nov 2004 23:51:45 GMT, Ian Stirling
wrote:
snip
What were the estimations on one PCs power use?
They may in fact be high, in which case installing a meter may be a bad
idea.

Hi Ian,

I get about ?90 pa. That is for 2 PCs running 24/7 plus associated
modems/router/scanner/printer/speakers etc. The killer is that the
office is heated electrically with a combination of an oil filled
radiator and an electric fan heater.

I can't imagine that lot being less than ?90 pa. It'll be interesting
to see for sure though.

Ok.
2 PCs running 24*7 (assuming you are only running the display when using
them) will use some 50-70W each.
Maybe 30W for the rest (inactive).
Call it 200W. (neglecting heater, what sort of room? 200W may go quite a
way towards warming it)

200W = 1 unit / 5 hours, or 5 units a day.
Call it 2000 units, or maybe 160 quid.

It is very unlikely to be under 90 quid, unless the PCs are laptops, in
which case it probably is.

Personally, I'd use a small electricity meter of the sort that maplin
sell for around 15 quid to measure the electricity use. (these may overread
on some sorts of PC) and submit this info to the employer.