ChrisCampbell90 | 847 posts
@Taffy great question and honestly one I wrestled with for ages before my Welsh borders cabin build.
The bit people consistently underestimate is consecutive grey days...
Great thread! I've got a similar setup — 2.2kW Honda EU22i running alongside my 3kW solar array in North Wales. The key thing I'd add that nobody's mentioned yet is fuel storage and rotation.
@Stu1991 makes a fair point about effective hours, and it's worth adding that shade angles in winter are brutal — even a nearby fence or tree that causes zero issues in summer can wipe out half...
Good thread, this. @AnneHenderson82 raises a good point — curious what you've found there.
One thing I'd add: have you checked your grid meter's CT clamp positioning and orientation?
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