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One thing to keep in mind though, if you go the DIY route, is you're unlikely to get an MCS certificate and without that you won't get on an export tariff.

Cost and safety for what, in the UK, is an infrequent and short occurrence. https://www.solarguide.co.uk/solar-back-batteries-power-cuts#/

Pretty sure my puredrive DC batteries were about £1500 trade price when I got the original quote and even with fitter mark up weren't more than £1800. They're £2300 trade now! Pretty certain I was told the same with my quote for Huawei batteries from a different installer; prices went up 50%...

Batteries don't suddenly stop working at 10 years old. They will get less efficient; e.g. your 5 kWh battery might go down to 4.5 kWh but will still have a fair few years left in them at that point.

If you're planning on moving in the next few years I wouldn't bother with a physical installation. It sounds like a share in something like Ripple would suit you better; Join Ripple and save on your bills If they've got a roof rental style install that makes sense as you're buying out the...

So first month not too shabby, given the weather; PV; 339 kWh generated, 51 kWh exported. Import; 437 off-peak, 33 peak The vast majority of off-peak is going to charging the EV. Topping up the battery is averaging around 5 kWh a day. As mentioned before, tariff changed part way through the...

Can only speak for my inverter, Solis Hybrid. There is an AC backup outlet, not used on mine. Idea is you'd have a separate consumer unit and connect "critical" loads to that. In the event of a power cut it will just power that, rather than the whole house. My installer has been posting about...

Realised I'd not given an update. Holiday was great, bit too hot to be honest. Anyway, PV progress; Everything is in and up and running. No issues with the physical installation. Generating nicely, 40 kWh over the 2.5 days it's been running. Was originally set up incorrectly for overnight top...

No progress this week. A few niggles with the building, nothing major and the builders are going to pop over while we're away and sort them A bit of reinforcing of the canopy supports and making sure they're secured to the floor. More to reassure the solar installers that it's not going to...

Spoke to PV installer this morning, the rail fittings should be here next week but they're fully booked up. They are going to try and get someone over to get the rails done and, if they have availability, they'll try and get the rest of the install done. Only problem will be that if it doesn't...

So turns out no batteries either as they've not arrived... The building itself is complete, as are the non-PV electrics. Regretting not getting the builders to paint the internal cladding; with just a primer it looks a bit scruffy but that's something we can sort ourselves when we're ready...

So a partial update; the building is up, just some minor finishing the builders will be doing tomorrow. Majority of cabling and the inverter are in place and the electrician will be connecting the grid feed up tomorrow. The only problem; the wholesalers sent the wrong fittings for the PV rails...

The battery would be more for winter when the PV isn't producing as much. During summer you should easily cover your base load during the day, unless you've got a ridiculously high usage.

A 10 year warranty (for example) doesn't mean it will break at 10 years + 1 day. With most systems you can buy an extended warranty if it really is a concern.

I'm pretty certain during late spring, summer and early autumn I'll more than cover the base load. Winter is where generation will drop like a stone but it's difficult to get a decent prediction with it being a relatively unusual setup. I can see now that very first thing I get a fair bit of...

So deposits have been paid, for the building and solar installer. Solar installer will be doing the building electrics too so that's one less tradesman I needed to find and avoids any "they did this wrong, you'll have to get them back in" ;) PV will be 12 x 390W JA Solar panels, Solis hybrid...

Got a BP home charger and no economic reason to change it so will stick to the Go window for charging. Even better, first year of car lease (when it arrives) comes with a free year of Bonnet app charging. Spend every Thursday evening literally 2 minutes from an Osprey 50kw for 1.5 hours so could...

I'm sure I've already said it 2 or 3 times but once more for luck; I'm not expecting to go "off-grid". If I do nothing I'm looking at my electric bill increasing by £150-200+ in September when my fixed tariff ends. Possibly much more when the October cap raise kicks in. Or I could put ~£150 on...

On an average day I'll use about 8.5 kWh. The Huawei battery they're proposing is expandable in 5 kWh increments up to 30 kWh but 10 should cover most days. Top it up on Octopus Go means I should be able to shift most of my usage on to cheap rate and I'll keep charging the car during that window...