On 19/10/2010 13:32, David Hansen wrote:
On Tue, 19 Oct 2010 09:39:50 +0100 (BST) someone who may be "Dave
wrote this:-

I hate that measure as it can be twisted by the spin doctors.
Generally a "household" is taken to be around 1kW,

1 kW for what time period?

How the calculation is done for wind is shown at
http://www.bwea.com/edu/calcs.html. I imagine the same approach is
taken for other forms of generation. Average load factors are given
in Table 5.10 of
http://www.decc.gov.uk/assets/decc/Statistics/publications/dukes/311-dukes-2010-ch5.pdf

"(3) Wind load factors can be found in Table 7.4."

Very informative as table 7.4 is securely hidden elsewhere.