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I'm hoping that someone does some real-world comparison testing of these top panels, so see how they behave on a UK roof. For example, we've seen Aiko do trade-show shadow testing of individual panels under floodlights, and some marketing videos, but not sure how that translates to the real world when panels are on a string, and get affected by clouds / tree branches / bird mess / etc. In theory it should be great. Do you see a difference on your client's arrays between these manufacturers?

Who can you recommend in the Derbyshire area

Well they don't tax sunshine yet

Yes profits are tax free, but it's apples and oranges when comparing solar investment vs stock market vs BTL properties.

Income tax is payable if you generate more than 120% of your domestic consumption?

I see what you mean.... if you invest £1k onto your roof, it will provide you with more net income than earning interest (and paying tax on it). You do, however, use your capital - so it's no longer available to you. You would just hope that you swap cash-in-hand for increased house value. Over time, maybe, but it could be a moot point as your installation costs are always lost. It's only the hardware you end up retaining... Having said that - I bought solar because I felt it was the right thing for me to do. Possibly less so for those who have to 'borrow' to install it.

Sorry to nit-pick, but I think probably there is no income tax on solar payments (capital gains would not be relevant - unless you're talking about the increase in value of your house where you live, in which case you wouldn't have to pay CGT on that when you sell up)

Do you guys even have sunlight in the UK? Do they sell solar there?😂 lol

What would it take to have solar panels that are water tight to replace roof tiles or with an added tile to panel conversion?

Great video bud 👍

Does Solar Together require the installer to be MCS accredited? Of course it does. So the issue falls at MCS' feet. Why haven't you pointed this out?

What we also need is the ability to expand storage capacity without having to increase peak power rating. I can’t think of a single reason for buying 4, 10kWatt, 13.5 kWatt-hr PowerWall 3 batteries with a combined, sustained throughput of over 165 amps at 240 volts but I can foresee a reason for having more than 54 kWatt-hours of storage. What I’d like to see is 80 amps of throughput with 2 PowerWalls and 54 kWatt-hours or more of combined storage.

The guy from strangers things?

Thank you Andrew Garfield

How does it input compare to summer vs winter? Would it make sense to change the angle during the winter months while the sun is lower in the sky?

Mmm. No CGT on a S&S ISA?

That's a home assistant graph no? Respect

Down with Tesla!

An excellent and very informative video, Tok. I am delighted with the system that you guys have put in for me. You weren’t the very cheapest, but nonetheless highly competitive and the workmanship is absolutely superb and the system is clearly well thought through and works seamlessly. Thank you.

Great comparison, very detailed.

The efficiency warranty, if efficiency is tested in lab condition, how could failing panels be noticeable by end user?

Bro's hair is glorious

Surely just some small actuators on the panel mountings and some basic software that timelapse photographers use for tracking the stars etc?

Makes sense!

The more expensive panels have higher voltages which will produce more power. The cheaper ones, even at full sun, will only produce 75% of max watts. If you have limited space go premuim.

It's Light Induced Degradation (LID), not Light Enduced Degradation. Bifacial panels don't have cells on both sides of the panel. What you're seeing on the reverse of a bifacial panel is the back of the cell that faces the sun on the obverse side of the panel.

The 10 degrees fall also aida in keeping water from pooling on the panels and attracting bacteria etc. And minimise chance of getting any voltage accumulation which can be a hazard when cleaning them as described by Mark Allison recently

Very informative , great help in understanding panel technology .

Great video, thank you. One factor is the panel size - sometimes you can get a slightly higher wattage on the roof by using unusual sized panels (ones that are a bit thinner or shorter than typical, or maybe even slightly taller). Although there's much more choice if you stick to the more standard sizes. I'm getting one row of Aikos in portrait, and two rows of landscape, to try to max out the wattage as much as I can, and that lets me stick to the more common size.

Very clear. Thank you. 👍🏼

I wanted 20 solar panels that would generate 7.4kwh - I argued with the installers because they put in 18 - saying the roof was too small which is not the case. They then installed a 3 - yes 3kwh inverter...they bait and switched the batteries (for ones that were inferior in capacity and depth of charge), the bird protector. I had to apply for a G99 licence myself and then I had to pay an additional £350 for them to switch the inverter for a 6kwh - which is all I could get. The Council had absolutely no idea why I was angry and why a 3kwh inverter was not fit for the installation and zero interest in being involved even though they promoted the scheme. I would look at any house where they have been involved that has more than 8 solar panels (8 x 400W) because the inverters are probably undersized - and that is simply wasting solar panels. Oh - and finally they took all the additional plugs and connectors for the inverter and wanted to charge several hundred pounds for "installing an extension lead from the inverter as a make shift UPS".....That's my rant.

As an electrician Im glad you have done this video i have seen some ruff solar together installs one for instance they found an old door in the loft and screwed eveyrthing onto this with the screws not done up on the isolators and covers just fell off. But as the home owner said its a great installation as the council recomend the company

One week ago I had a PW3 installed along with 12 PV panels (5.64kW array) the Powerwall charges to 100% from solar. The solar PVs then stop generating even though it’s midday with full sun. Loses about 8% every night. Recharges to 100% the next day. The house is not benefitting. We can’t use that power from the battery and we cannot send anything to the grid. Zero benefit. Tesla say they are trying to fix the problem? 19nov24 now working properly. We had a faulty Gateway 2 which has now been replaced.

Our council was pushing Solar together so I got an outline quote, it struck me that it wasn't going to produce much power and the price wasn't anything to write home about.

My TL:DR version - A solar installer, who isn't part of the Solar Together scheme and who presumably is fed up with losing business on price, thinks Solar Together is a really bad idea.

I hope this video does well and the message gets shared widely. Reading some of the stories from homeowners who have suffered due to solar together is both heartbreaking and alarming to say the least. Industry practices like this need to stop. Keep up the great work with your channel 👍

Great video. Congratulations on all the new content over the last few months.

Thanks for calling all of this out, Tok - unbelievable the sheer lack of due diligence carried out by the council here (and I'm sure similar stories all around the country). I applaud you raising awareness on this on your channel - I will make reference to this video on mine.

I used Solar together and found out the company that ‘won’ our local tender didn’t seem to know what they were doing when connecting panels to the inverter. It took me over 18 months to persuade them you couldn’t have unequal strings into a single MPPT inverter. Solar together and MCS where not very helpful when I tried to complain and didn’t seem to have the necessary technical expertise to understand what the problem was.

So why not blend similar higher voltage panels throughout on all sides?

Definitely need to research the suggested installer carefully (trustpilot / google / checkatrade), and also see how long they've been in business. Probably also a good idea to pay part of the bill via credit card. Can ask to upgrade equipment. Getting quotes from multiple local installers, also with good ratings, is something that should also be done.

If it's not clear in this video, what we are highlighting is two aspects of the independent report paid for by the Greater London Authority to review their own Solar Together scheme. The report finds two problems with the scheme.. Firstly the failure of Ichoosr to run a sufficiently rigorous selection process of the installers, or even to reveal to the GLA the criteria they were using for this selection. Two of the five solar together installers used in the London scheme went bust. Secondly, the minimum quality required by Ichoosr for the products that could be installed. The reverse auction process (which Ichoosr state selects the lowest bidder), means that the bidders are incentivised to use the cheapest kit in order to win the bid. The recommendation of the video is that customers considering solar together should also get other quotes from installers not in the scheme, rather than thinking that they don't need to do their own due diligence because of the endorsement of the council or the fact that they feel they are in a group buying scheme. Please do share your own experiences and thoughts about the Solar Together scheme.

Amazing video! Thank you so much for your advice, I was considering the scheme at one point but will stay well clear of it in the future!

Brilliant vid, thank you!

Well presented and informative. Is there any info,on whether more battery storage can be added ? One of the things stopping me moving to an all in one is that I’m using three 9.5 batteries,so I’d want an all in one with around 25 to 40 KW of storage ideally.

Sigenergy makes these two all in ones look like they are from the stone age? Up to 12kW Hybrid single phase, 25kW 3-Phase, Instantaneous whole house backup for both single and 3-Phase via gateway, up to 48kWh per inverter, multiple inverters supported, 25kW DC EV charger, vehicle to grid......Givenergy All-in -one requires you to buy multiple all-in-ones, no battery options, same with Tesla until 'Powerpacks' are released in the future... No 3-Phase backup on Giv or Tesla? Tesla can only charge at 5kW from grid, not great if you have a short off peak window and require more than 13.5kWh of storage.....

Can charge at 12kw, not 6

Have you guys realised that PW3 draws 30w 24/7 from the grid?

have you seen fogstar batteries?

Great video! Would you say that half cells are worth it if there is potential shading? Are any of these half cell panels? Thanks