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Industrial buildings are low hanging fruit. Huge roofs with minimal shading and largely untapped. Makes business sense, 10 percent plus annual return is very achievable

Thanks for sharing, good analysis here Seems like a good option for GivEnergy battery users when there’s plenty of solar excess about, 27p export is great If you’re a heavy EV user probably less desirable as the import rate is a bit high.

Think its good if the company have their own install team, many just sub it out then you lose some control. Solar Edge is good esp. if you want optimisers / micro inverters which is worth considering especially if you have shading issues.

I get the impression its hard to get over 80% of the output. I'm going to for 7kw system with 10kw battery, 5kw inverter (limited to 3.6kw export) My strategy is export at the highest possible rate in summer (Octopus Flux pays 23p) and in the darker months I'll switch with Octopus Intelligent...

I'm curious what is your annual generation from your 4kw system? Do you end up exporting much to the grid?

Do they? The government scrapped the code for sustainable homes as Cameron labelled it as "green crap". I see little evidence of it outside of premium properties, there a new Estate near me (David Wilson Homes), loads of south facing roofs and not a solar panel in sight.

Marginally cheaper than gas CH maybe (3 times as efficient) but way cheaper than conventional forms of electric heating. The latter is outrageously expensive unless you can harness off peak tariffs

My inlaws have had them for a decade with a thumping 48p FIT and they've never missed a beat. In the early days I think some of the inverters weren't the best but things have improved.

Heat pumps can work if you have enough space they're pretty big. You'll need oversized radiators and/or underfloor heating from what I've read. Maybe gets some batteries and then you can run the pump with off peak elec off the battery. Better still add on a few solar panels and the batteries...

Not in Brighton area but recently booked a company for install. Happy to share what I've learnt so far