On Sun, 20 May 2012 07:32:36 -0700 (PDT), Graham Easterling wrote:

I installed my panels initially as a 'green' measure, ...

Do you have figures to show that they will be energy positive over
their lifetime?

... but they are exceeding expectations. I'm set to get my money back in
10years, even allowing for interest in the money (@ 3%gross) if it was
invested for the 10 years.

That is a pure financial expectation, nothing "green". A financial
benefit that would not exist without the huge FiT payments funded by
everyone elses electricity bills.

Also changing all my 50W downlighters for 5W LEDs ... has made a huge
difference to my power bills.

You could have done that anyway.

--
Cheers Dave.
Nr Garrigill, Cumbria. 421m ASL.