This was what I was told as being applicable for Christchurch as installed
- without tracking (which would be complicated).
I guess that verification of  this figure is basically the question I am
asking. Is it "reasonable"  allowing somewhat the large number of variables
involved.
(Size of panel, hot water usage etc.) I am hoping someone in a similar
climate already has this information.

RP





> % Replaced by solar panel (according to the shop)  - 66%

Is that a local opinion - ie does it take into account the sun
angle at that latitude ? Could you / would you include a
tracking mechanism ?




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