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DIY Off Grid Solar Project

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First budget set up £1000 Normally I start with waffles so let's dive straight into the technical details first this time. Any feedback and warning welcomed as this is my first attempt. I installed two 375W Eurener Zebra solar panels: one on my south facing conservatory roof and one on the back wall. Solar output peaked at around 600W combined (parallel). I overspec-ed it due to the flattish wall placement and in anticipation of reduced winter sunshine.  [Update: October autumn day averaging only 1.5kWh -- 0.3/0.6kWh when cloudy and 2.5kWh when full sun.] [Update2: As the winter sun gets lower, the panels fall into more shadows.] The panels were chosen for the low weight (19.2kg) to efficiency (20.6%) and ones that I can collect by car; quite often panels are delivered in pallets costing around £50. The 3.3m aluminium mounting rails were hard to source but I was lucky to talk them into supplying two with the panels and fitted nicely into the car, just. Important solution maximise t...