Have We Been Doing Solar WRONG All Along? 🤷🏻‍♂️

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In this video, we join Heatable in installing these brand-new Bi-facial panels which are being described as the future of the solar industry.🤔 This begs the question of whether have we been doing solar wrong all along?
We also look at this brand new Enphase microinverter which is quite the tool in the solar industry. Make sure to keep watching the video to see the team get a large DC shock and competition between companies. 👀
Make sure to check out the Heatable website to find your best local installers 👊 - heatable.co.uk/solar
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⏱️Timestamps
00:00 - Introduction
00:34 - Jumping to day one
01:28 - BIG FAIL
03:16 - Learning more about Bi-facial panels
05:38 - Interesting find about these solar panels
06:32 - Installing the rails
07:43 - Introducing the Enphase Microinverters
09:02 - TOOL BATTLE TIME
10:45 - Competition time but with a SHOCKING twist…
12:50 - The mystery battery
13:52 - Looking at the work in the meter box
15:16 - Where is the inverter?
17:37 - Heading into day two
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31 май 2024

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Комментарии : 427

@artisanelectrics Месяц назад

Make sure to check out the Heatable website to find your best local installers 👊 - heatable.co.uk/solar

@dukemaximus1639 Месяц назад

I wonder why you are so late on micro inverters. There is also micro inverters from Deye, Hoymiles when each micro inverter can cover 4 PVs. Much faster and safer solution to deploy. Micro inverters can also be fitted inside the loft for easy replacement in the future. At is it is good that you are catching up.

@Mavisto2 Месяц назад

Just wondering why you are using a hybrid inverter with Enphase micro inverters? Surely you could simply use an AC coupled system? Plus, they're cheaper and supposed to last longer. p.s. don't forget the 25 year warranty that Enphase offer.

@neok1996 Месяц назад

At 15:30 their is a lie Modern pannels use bypas diodes, so a system with the right inverter (low start voltage) will keep your array running in the shade

@ivanbuckingham2302 Месяц назад

This is your best video yet. Nobody else on RU-vid has shown the tiles being lifted up and how you attach the rail mounts to the roof. I know that you're an electrical channel but when it comes to solar it's the roofing part that we need to know about.

@VinoVeritas_ Месяц назад

You need to watch a few more RU-vid videos then. 🤦‍♂️

@pmbpmb5416 Месяц назад

There are actually quite a lot of YT videos showing the application of the brackets .

@stun9771 Месяц назад

What would be great is a tool designed specifically for grinding a channel in the back of the tiles…using a grinding wheel and the torque placed on the wrist, the dust/particles that fly off, as well as the mess it can make is not good…

@linmal2242 Месяц назад

And why is there no silver sarking under the tiles to get an extra waterproof layer and reflectivity ?

@KiwiCatherineJemma Месяц назад

"Bi-Facial" solar panels are said to be great on those ground installed setups in places like Alaska and Northern Canada, where more land area is available (and if snow builds up, can be swept off with a broom from ground level easily). Set on angled frames on the ground, the brightly reflected light from surrounding snow, powers the back of the solar panel as the direct Sunlight strikes the front. And remember the colder the air, the higher their efficiency. So as your Solar Panels are "Bi-Facial" and the underside faces a dark clay/concrete tiled rood. For fudge sake wouldn't it have been a great idea to give the tiles a quick brush off first, then slop on a thick coat of High-Gloss White Paint ! That would have to give a very substantial increase in output, surely.

@robinhood4640 Месяц назад

I saw a video where they installed them vertically on the ground, east/west facing. Snow can't accumulate on them, the ground can be used for other things and they appeared to be just as effective, if not better.

@DIY_challenges 23 дня назад

Or some mirror type panels fixed to the tiles underneath the solar panels 🤔

@user-fy5sz8ps2d 5 дней назад

Can I put some reflective material on the group, e.g. tin foil/ mirror so to capture more? I have an detached garage and I can put this on test.

@JaredReabow Месяц назад

you know whats great about those micro inverters, if one fails, you have to put up scaffold/get a picker up there, remove the panel and swap out the module, and better yet, if its 5 years later, you may have to replace all the micro inverters because they aren't cross compatible.

@johndehaura 15 дней назад

Yes, exactly. ❤

@neo_265 Месяц назад

Forgot to mention. The enphase IQ7+ have a max output of 315 watts compared to those bi-facial panels max of 420 watts. Yes its common to oversize your panels compared to you inverter but thats a big difference. Also the hybrid interter for the battery installation is a bit useless when all you get from the roof is AC courtesy of the Enphase units

@markyates5744 Месяц назад

Don't know why Artisan say they don't like DC. When batteries are DC and you can wire DC straight into the battery without losing power going through an inverter!

@JohnThomas-ey1hx Месяц назад

They also talk as though its new technology, but Microinverters have been around for years and Enphase have been trying to eat into Solar Edge's market share in the US for as long as I can remember, and still failing. These 420-440w REA panels will produce way more in the summer with a standard string inverter and cheap Tigo optimisers (if needed) for shading and panel monitoring. If one Microinverter fails then Enphase will only pay a small contribution to replacing it, and this won't cover the cost of re-erecting the scaffolding to get back up there! Lots of scaremongering that shading on one panel can wipe the entire array out - utter rubbish !!! Obviously not heard of diode bypass!! If one panel is in shade it will not bring down the whole array, unless there was a solar eclipse!!!

@MrTwoZZT Месяц назад

Worse than that IQ7+ is 295W output with max 440w input. Would be interesting to see a comparison of the same panel layout using a string inverter vs micro-inverters like these to show in terms of generation through out the day the actual difference, could be the loss per panel of micro-inverters is outweighed by generating more, or if there is an issue with shading of panels which would effect the overall output from a string. There is a HUGE price difference to account for as well using MicroInverters.

@scottmcshannon6821 Месяц назад

since you are getting AC from the microinverters dont you need an inverter at the battery to change it to DC to charge the battery?

@Snerdles Месяц назад

A 420 watt STC rated panel are going to be in the 300-330 watt NOCT range and that's going to be in real world perfect conditions so it really won't clip all that much. Getting a more expensive micro inverter probably isn't worth capturing an extra 25 watts a few times a year.

@ChrisBeach Месяц назад

Interesting video - thanks! I’ve recently had IQ8MC micro inverters and 435W panels fitted to my roof. The one big disappointment with the installation was the micro inverters are only able to output 320W peak power (despite panels being 435W) and the clipping is very obvious when you look at the power curve on a sunny day. I heard that there’s a trade off, as more powerful microinverters have a higher starting voltage (or something like that), so they wouldn’t perform so well on a cloudy day. But still, I feel a bit despondent about the clipping. The system can only achieve 75% of the peak power I was quoted for.

@mresch3950 Месяц назад

Forget about the peak power, its not relevant in the end. Electricity in those peak times is worthless anyway since everyone is producing more than enough. I recently installed 37 IQ8MC on my roof and they produced 12W per panel on a cloudy day when the panel was completely covered with snow. Duration of production is key, not peak power.

@Hamachingo Месяц назад

That's kind of terrible, my 445W south-facing bifacial panels output 500-510W at noon when it's 5°C, they eventually get hot and settle around 470-480 after 20 minutes. Granted I have them mounted 2 meters high with nothing underneath but on 24°C days they output 420W for 3 hours straight. They run on an AP-System EZ-1M, first Watt at 5:45, last watt at 20:15 and that's with no view of the sun after 14:30. If you're selling electricity to the utilities, I would seriously consider swapping the inverters. If you're only running your home and a battery (no EV charging), it's not going to make a difference.

@marleepop115 Месяц назад

10 years and counting on our Enphase inverters, zero problems

@peejay1981 Месяц назад

We've had ours for 5 years under the hot Australian sun, still good.

@carlarrowsmith Месяц назад

Good to hear. 8 years SolarEdge and 1 of 14 optimisers gone down in January. They don't support fully, no help to get it changed. Enphase for my future projects I think.

@subevo35 Месяц назад

16 enphase invertors . No issues in 9 years

@veeerzes Месяц назад

@@carlarrowsmith Over 150 solaredge optimizers installed over the last 9 years. Only one DOA but got replaced under warranty. Never had an inverter or optimizer failed. Have been using P300 to S440 and S500B optimizers.

@carlarrowsmith Месяц назад

@@veeerzes One installer was telling me he has installed 40 replacement optimisers this year so far. Not uncommon they said to me at SolarEdge support.

@johnbodnar3720 Месяц назад

Hi, watching this video, I’m impressed that you notched out tiles for brackets to properly fit. Be careful, don’t know if concrete or clay tiles but concrete dust is now considered toxic, silicosis, please be aware, thanks.

@drzavahercegbosnaponosna5974 Месяц назад

concrete dust is NOT considered toxic. anything is toxic if you eat/breath it too much,... even air. ;-)

@markrainford1219 Месяц назад

@@drzavahercegbosnaponosna5974 Correct, he probably meant to say hazardous. And silicosis has been a thing for decades.

@RandomShart Месяц назад

If embedding panels on the roof can the micro inverters be fitted inside, so accessible in the loft space on the back of each tray? At least that way when one fails don't need scaffolding up etc for a simple swap.

@simonduffy99 Месяц назад

Yes they can be, it's just a case of how you get the cables through the roof, while maintaining water tightness.

@maxtorque2277 Месяц назад

Micro inverters for a small, completely unshaded and roof mounted system is not a good optimisation imo. For the additional cost of the inverters (£/wh) you could just fit another couple of panels that will massively outperfom any advantage otherwise. The less stuff you put on the roof the better imo, the costs to do "roofing stuff" are now the biggest cost of the system. When i worked out the costs for my system i got a better ROI for putting panels on a low flat roof i could therefore self install without scfolding, even though that location was less optimum in terms of insolation. The labour costs to put panels on my main roof, high with difficult access but unshaded and south facing) pretty much would have doubled the overall cost, whereas the insolation reduction from the non-optimum position is actually only approx 1/4 Micro inverters are also always going to cost more per Wh as each inverter carries an overhead per wh harvested, ie the casing, mounting, connectors, and of course the internal power and control electronics. For example, it costs pretty much the same to drive a single mosfet in a DCDC as it does to drive 10 in parallel, so your electronics cost per Wh is increased when you compare to a single, large high power device. When you start to look at long strings of panels then you also start to see a cabling cost save on larger systems as you are carrying your power at a higher average voltage (240VACrms vs say 400Vdc). So at 20amps (typical max continuous MC4 connector rating), you are talking about being able to carry 8kW, vs 4.8kW on the same cable!

@whiteley_photo 29 дней назад

I'm English doing solar in Australia, we get 2 of them jobs done a day with the alphas and bigger systems on the roof with a crew of 4, criminal that's taken 2 days with that many lads

@atomicsmith 8 дней назад

Fewer tea breaks in Oz.

@restfulplace3273 4 часа назад

I suspect Australian roofs are less steep, fewer working at height restrictions than the English. Installs on tin roof are easier and faster than on tiles. That said, we Aussies are known for working harder and more productively than many others.

@jonbraathen2232 Месяц назад

Haven't you heard of bypass diodes? Modern panels have usually 3 bypass diodes, string configurations handles shading very good, no need for optimizers or micro inverters. I will guarantee that optimizers and micro inverters WILL fail before the panels stops producing. A string inverter can easily be replaced in an hour while a fault under a panel on the roof could be very labour intensive...

@jacobherrie6286 Месяц назад

Nah. For stationary shadow like chimneys or higher roofs perhaps. But for diffuse shadows like rustling leaves solely relying on bypass diodes is inferior to micro inverters or optimizers. Not to forget that once you have a system at varying gradients, string inverters can start struggling ( SMA puts this point at +- >15degrees).

@gaggix7095 Месяц назад

@@jacobherrie6286It depends on how much diffuse shadow is present on the panels, the MPPT will take the best solution if using the bypass diodes or not, the performance difference shouldn't be particularly higher to be worth it, optimizers and micro inverters add cost and possibly maintenance in a difficult to reach position.

@WizardNumberNext Месяц назад

Those diodes works in very specific configuration and are very far from magic you try to portrait here. Those diodes are there for single reason - if one (or more) cell(s) will fail, then bypass diode will bypass, say third of the panel. usually cells are arranged in longer string - there and back, so two strings. Those diodes have nothing to do with shading - it may help, but it is unlikely, as shading does not drop voltage enough to get diode into bypass, so current will drop. Panel performance can be easiest described as voltage is close to constant and current changes by amount of light. So, no diode does absolutely nothing for shading. Your idea is wrong and should take lesson in electronics and physics, as you clearly lacking in both.

@gaggix7095 Месяц назад

@@WizardNumberNext the voltage of the solar array is of course regulated by the MPPT or it wouldn't be able to find the maximum power point.

@jonbraathen2232 Месяц назад

@@WizardNumberNext there has been a number of tests that shows very little difference with shading with or without optimizers. Some might be at 3% gain with optimizers, that's not worth it, and I bet that they will fail before the panels does. Keep it simple, use string inverter instead is my tip. And what I have done😎

@michaelfields8981 Месяц назад

We have Enphase micro inverters on our array. You're more than welcome to ask anything you like about our experience. We've had 1 fail over 9 years. System kept producing whilst faulty unit was replaced. VERY happy with them.

@artisanelectrics Месяц назад

Sounds like you have a great system on your hands! Hopefully, we are going to keep installing these from now on.

@hamcheese9169 Месяц назад

As a fellow installer the micro inverters are way better and more practical. Optimizer (dc) systems only produce what the worst panels is. Micros make every panel produce individually

@andrewtruscott8515 Месяц назад

I have a new build. Would you recommend installing a roof with solar, integrated set up or solar tiles(UK)? I like this system.

@alsmith20000 Месяц назад

Can you talk about the burden involved in getting the micro inverter fixed? Also, do you have any information on how the micro inverters may have reduced the energy available, e.g. by having a minimum activation power or through inefficiency? I would have thought it would be better to have the individual inverters inside the loft so they are easier to access, but maybe that creates new problems.

@nikotakai8796 Месяц назад

@@hamcheese9169 I thought optimizers are exactly for used for the reason to bypass the worst performing panel

@RichDJ2012 Месяц назад

I was looking at these panels and enphase micro inverters last week, and it pops up on your channel. nice one keep up the good videos

@artisanelectrics Месяц назад

Glad you enjoyed the video!

@markyates5744 Месяц назад

One thing you lose from putting a home battery outside is heat! Most ppl tell their battery to charge in winter at night on cheap off-peak electric and the inverter might lose 5% electricity in the AC-DC process of filling the battery. Put it outside you're contributing to global warming vs inside where the waste heat is heating your house!!! Also IP65 or whatever - it's going to be more reliabel indoors than outdoor! Also DC batteries don't like freezing conditions, or 35C - put a home battery outside, in -10C in winter it will throttle it's charging to 50% or less! Not good charging off-peak in winter when it's going to be below freezing! And it won't like being 35C in the sun in summer! Put it in a utility room that's 15-20C all year and it's going to be well happy and last longer!

@narrowboatlongpod4176 Месяц назад

best practice is outside these days.

@peeps124 Месяц назад

Glad to see this, it's exactly what we have just decided to install after a fair bit of research.

@Chris-hy6jy Месяц назад

I installed three 420W panels with IQ7A micro inverters on the roof of my shed a year ago. An easy DIY install for people that know what they're doing.

@borama7845 Месяц назад

I would mount all inverters under the first, lowest row of panels. Installation with some short DC extensions from the panels. This will come handy for maintenance e.g. when you have to replace a faulty inverter.

@markyates5744 Месяц назад

The massive downside about micro inverters you fail to mention is the £170 cost per one! Vs say the 5kW GivEnergy inverter for £1100 that can do 20x400w panels for 8kw panels oversized. Or a basic inverter for half that price if anyone is going inverter only with no battery! The 2nd massive downside is the max 320w - you can now get Aiko panels that are 450w - every new panel out there is over 420w. Some large size commercial panels go up to 600w. Why would you want 320w clipping on 400w panels. Inverters lose about 2% in efficiency at 100% power - so why throw away 25-30% power! The 3rd problem is if one fails. The 4th issue is DC panels going into a DC battery do that without going through an inverter - much better when you want to be filling the battery on low light days. Can see why Enphase was a $40bn USA company with massive profits on the stockmarket - the markup on those inverters would make Apple jealous - probably cost $20 to make in China. And yes, £170 on a single inverter is expensive when panels cost £65 in UK. See ITS technologies / Midsummer Wholesale What was interesting in the video was the quick side-to-side comparison of the bifacial panel vs the single sided - I'm impressed!

@michaelfriend4844 Месяц назад

I just bought IQ7A inverters for £95 each delivered.

@nnnnn8173 22 дня назад

You can get 350w micro Inverters for about 33 pounds each from Taobao in China. Works well.

@judebrown4103 Месяц назад

Now that was really useful, long time subscriber and I'm now on that journey to try and understand solar and battery storage for my house. This was the best explanation I've seen so far on the difference between oprimisers and micro-inverters. The things I hadn't twigged was that the latter eliminate the need for the big inverter box on the wall and also that the cables from the roof are then AC only. I've got roughly east / west facing with some shading from chimney but not that much space to put the battery and inverter. Got plenty of space but a lot of it in very hot sun in summer or a really cold blast in winter but with only the battery to worry about I've got a couple of spots might work.🤔 Food for thought, cheers Jordan, Artisans and Heatable.👍👏

@artisanelectrics Месяц назад

Glad we could help you understand more about solar and any differences that you needed to learn about!

@pmbpmb5416 Месяц назад

All these videos are very informative but it also demonstrates a problem , there are so many options and opinions that any punter such as me finds it very hard to know what we should be using . Of course everyone’s property and circumstances are different but in short it’s a nightmare , an expensive one to get wrong at that .

@hughmarcus1 Месяц назад

Add in sales people with targets to meet & it’s a nightmare

@hbot404 Месяц назад

@@hughmarcus1 my folks had a pushy salesman round the house. He generated a proposal on opensolar; for a system cost of £13k they could expect a £600k saving over the next 30 years 😂. He also had an allowance to give "preferred" customers another 10% off but that discount just happened to be expiring the following day.

@KevinBryson-rp1zi Месяц назад

Could you fix the micro invertors INSIDE the roof slope ( or would that be a problem for heat dissipation)? Could save a few maintenance problems down the line if possible.

@paullongley1221 Месяц назад

Great to see another video from y’all. Interesting kit too. Gotta just tell you, one of my neighbours had solar fitted a few weeks ago, I didn’t see it done as the firm was only there one day, three faces of roof all done from ladders !!! Then next day they noticed the gutter hanging off and next house down had hanging tiles missing where they’d clouted them. Finally, Sheila asks me how they’re held on, ‘are they tied because it looks like something over the ridge’?? Sure enough, the cables from the west set don’t enter the roof, they’re pulled tight over the roof hip tiles and under the south set 😖 Not reassuring to see, can’t imagine it’ll last long

@John-ik1os Месяц назад

Meter Fixer is going to love working in that meter cabinet.

@vladvoinea2118 Месяц назад

“Much more performance”? Let’s put some numbers on it

@Terence-mk9jh Месяц назад

Another great video with lots of useful information. I'm not a fan of roof installations but this one has made me want to revisit it so perhaps I will be converted.

@artisanelectrics Месяц назад

Glad you enjoyed it

@buddywheels Месяц назад

Big thumbs up for Enphase from us 👍

@drod6424 Месяц назад

Enjoyable watching your videos. Great job.

@artisanelectrics Месяц назад

Glad you like them!

@ArryBradbury Месяц назад

If anything goes wrong with the Enphase inverters (or they need replacing after 10/15 years, I assume that's a scaffolding up job?

@stevegame3000 Месяц назад

Hi. I was particularly interested in this video as I’ve recently had a Heatable installation. I found them to be very good to deal with despite them getting a fair amount of stick on social media 😀. I guess a lot of people think the bifacial panel angle is just marketing bs. Heatable told me who would do the install if I went ahead. Getting to meet the installers before committing was important to me as one of my concerns was buying from a uk-wide business who often outsource the installation (the installers were great by the way). My system is performing well and I’m very happy with it so far. I went for a GivEnergy AIO battery and specified the IQ8AC microinverters. My thinking was that as I’m on the south coast (Bournemouth) we get a bit more sun than the uk average and I wanted a higher (360W) AC output than the IQ7+ in your video. This is already giving me 1kW extra generation from my 14 panels when the inverters are maxed out. Time will tell if this was a good choice in winter or on dull days when they may not generate so much (so I’m told). I enjoyed the video anyway. Thanks 😀

@pointer2null 20 часов назад

Bloomin hope so - just bought a 3.84kW Enphase system!

@sailor67duilio27 4 часа назад

The microinverters sound interesting. I would like a video on the real performance of the panels,price and durability. Also why the batteries in the open? It seems that the circuitry is left out in the open with limited protection from the elements. What are the temperature in which the equipment described can operate? Winter -15/20 C, summer +28C

@warz_hell 23 дня назад

Skill saw to cut the rail is definitely the fastest, but it throws chips everywhere, so unless you have a blower, it's probably not the best

@connordines667 Месяц назад

Great video! Interesting about the enphase system

@artisanelectrics Месяц назад

Glad you liked it!

@LeeHerbet Месяц назад

Had the Enphase micro inverters for almost 2 years now and it's been great!

@HamzaHamada-ks2nx Месяц назад

Actually I am grateful to find this channel ❤

@HenryLoenwind Месяц назад

If you get a DC-coupled battery, you save the same amount of space. Instead of having an inverter for the panels, then a rectifier for the battery, then an inverter for the battery, you only need one inverter for the whole system. Our 10kW+10kWh system is just one battery-width wide and 1.7m high. And a good 25cm of that height is a heating pipe passing through the middle.

@ElectricalInnovations 18 дней назад

Another top video guys.

@steve4296fred Месяц назад

If using biface panels - would it make them even better if you paint the roof white underneath them (with some solar reflective paint)?

@Jaw0lf Месяц назад

An interseting watch to learn more of the newer technology!

@johnharris199 Месяц назад

If you put a reflective sheet under the panels it would massively increase the generation from the back.

@SteveN-pw4dj Месяц назад

Mirror finish roof tiles/slates under PV are the future😂

@hughmarcus1 Месяц назад

The reverse is true. You need to cool the back of the panels in warmer places as they lose efficiency when warm.

@SeanHoulihane Месяц назад

@@hughmarcus1 Is peak summer generation more valuable than winter generation? Self-consumption gives a better return, I believe - so winter probably pays better (so long as the configuration actually helps with this scenario)

@johnharris199 Месяц назад

@hughM9 Your wrong! If you increase the % of the generation of the reverse side by as little as 20%, it would outweigh the efficiency reduction. Example... 1/3 extra hourly generation would make the 0.32% lower efficiency per 1°c higher heat (over 25°c), even at 40°c, panels are still 95% efficient. Basically, increasing 33% of reverse facing faces, would only reduce generation by maximum of 5%! Do your own calculations, then reply when you realise I'm right.

@DigitalPolak 25 дней назад

you also have others companies with microinverters, biggest problem is this if one of them fail client have to pay one more time installation cost for change, but less risk of fire, easier to install. Do you install blitz protection also in england? Germany/Poland/Austria install 16mm PE grounding wire between profiles under panels, and we connect this to main grounding point in house. And on DC solarcable you should cut only 6mm of isolation while mc4 making :D

@restfulplace3273 4 часа назад

Those enphase micro inverters are expensive. While they improve efficiency, I’m not convinced the efficiency gain pays dividends to cover the extra cost. Firm numbers to compare would be useful.

@jogabhambra6606 Месяц назад

I wish these bi-facial panels were around when I ordered my system in 2017.

@Felix-st2ue Месяц назад

To be honest the advantage is minimal if installed on a roof. The less light and reflection comes from the back the smaller the gains.

@Wavefront101 7 дней назад

@@Felix-st2ue It is useless installing bifcial panels, flushmount to a roof. But the installer makes more money.

@rayalton3525 Месяц назад

We had 12 Enphase micro inverters fitted to our array in 2013. One failed about 2015 but was replaced under guarantee. Otherwise no issues at all

@recumbentrocks2929 Месяц назад

Great informative video. Would it increase the output if you painted the tiles behind the panels white?

@FJRyder Месяц назад

The person operating the reciprocating saw doesn't know how to use a reciprocating saw. For maximum effectiveness you need to keep your material up against the guard.

@tylercarter9228 Месяц назад

Hi what rails and brackets are they, were trying to move away from ours as they have changed the design and there not as good ?

@timallen6025 Месяц назад

Good detail and interesting on non dc and uv capture

@4593san 18 дней назад

@artisanelectrics to have better output from bifacial panels try to paint the roof with white paint in the panel zone before placing the panels. !!! should have better results with reflections !!! cheers 😎

@linossinkala7840 Месяц назад

Loving your work boss

@artisanelectrics Месяц назад

Much appreciated

@hamcheese9169 Месяц назад

Ayeeee. Just came from a past video and was wondering why you guys don’t use inverters lol. As a installer I love them😂

@liamedwards2517 Месяц назад

When was the iso and Henley block installed after the meter?

@nikadnet Месяц назад

I really hope this technology is better than the others, as I have just signed up to have it installed with heatable. I looked at a website the competition supplied, and all the advantages seemed to point to micro-inverters!

@jcev39 Месяц назад

Is there any mileage in fitting a UV reflective sheet or panel between the tiles and the panels? Clearly this would be a better option if these panels were to be used as a roofing material - i.e. build UV reflection into the insulation below the sealed panel...

@freethink3r 11 дней назад

Please do a deep dive in to the Enphase products!

@trisknight9430 Месяц назад

What’s the cost comparison between these and normal panel

@LeighWinspear Месяц назад

27 pence........;)

@robinbennett5994 Месяц назад

It's pretty hard to say, as there's a fairly wide spread of panel prices, and the bifacial panels aren't the most expensive ones. However the cheapest panels are about £57, and the cheapest bifacial panels are about £71 - so you could say they're 20% more, which matches that performance boost. However the panels are the cheapest part of the install. Those micro-inverters are £175 each, the batteries are a few thousand and the scaffolding and labour add a fair bit too.

@jackrussel8898 Месяц назад

Do you have any problems fitting sola to slate roofs ?

@fruitcup01 8 дней назад

Maybe some reflective material on the roof or foil for the rear cells.

@wyrdlg Месяц назад

Nice to hear the metric system being used :D. I wonder these micro inverters... x of these modules out in the elements? How long do they last what does it cost... Efficiency?

@lavectech Месяц назад

Can that Alpha ESS hybrid inverter battery support 3 phase discharge in a power outage?

@peterwoodhead2569 Месяц назад

I think a £50 grinder with a thin blade would beat the £300 Hilti on that cutting job, another tool battle required maybe.

@robinbennett5994 Месяц назад

Most metal grinding disks clog up when used on aluminium. Tungsten carbide tipped circular saws work well though!

@peterwoodhead2569 Месяц назад

@@robinbennett5994 Your right most do but there are some specifically for aluminium, in my experience the problem with carbide tipped saws in hand held devices is that they can kick back and can be dangerous but fine in a bench mounted saw, I owned a business for 25 years cutting aluminium extrusions.

@danimhanna618 Месяц назад

I have a question if the micro inverters feed the battery and the house the house is okay but for the battery, you will need to use a lithium battery that complies with the conversion between AC to dc, and in night it will feed back to the home so you need an inverter there am I right?

@effervescence5664 Месяц назад

So possibly the best question I can think of is can you use the Bi-facial panels on an in-roof system and still gain the benefit.

@tikaanipippin Месяц назад

You could always spray the roof white or fit good old radiator backing foil before the panels are fitted! 10-20% increase in efficiency vs. roof tiles?

@JohnThomas-ey1hx Месяц назад

What date was this system installed?

@MoksOfficial Месяц назад

Can you walk on top those? They look like they dont hold weight. Looks reallyyy good. Just some jobs require people to walk on solar panels sadly. So if you need your roof worked on or fumigated...idk. Do recommend getting sturdy panels that can hold weight if your putting them on your house.

@StuJoyce Месяц назад

Please just note that the IQ7+ are rated at 290w so great you have fancy panels but during most of the summer months that extra power the panels produce with be clipped by the inverters. Will get a bit more during the winter months admitedly with the bifacing panels but the inverters wont be enough in summer. I have iq7+ and get xlipping already in April with basic 395w panels. Hopefully the customer got a deal on the panels.

@jschmalzl Месяц назад

Or.... you have a bypass diode on your panel ! All the newer panels have one and it comes for free. There are videos out there which show that they render balancers useless.

@sukimatharu5894 20 дней назад

Microinverters are great - probably the best method of power conversation - but Enphase has power output limitations (see below) compared to other microinverters. So even if you are using bifacial panels, your limiting factor is the microinverter! Please try and be clear and transparent with your viewers. IQ8MC: 325W max AC output IQ8AC: 360W max AC output IQ8HC: 380W max AC output For example, if using IQ8MC microinverters with 435W solar panels, the max AC output would be limited to 325W per panel, even though the panel is rated higher!

@paulneary703 29 дней назад

Do you need an envoy device per micro inverter as well?

@richardphillips3519 Месяц назад

With the bi-facial panels, why not mirror-back them with a reflective panel behind? It could be fitted under the rails or as part of the panel itself.

@ForTheBirbs Месяц назад

A great idea, especially here in Australia! I'd only seen these panels mentioned in solar fence installations I think. Awesome. Enphase are powering along (pun intended) in Aus.

@artisanelectrics Месяц назад

Glad it was helpful!

@gotmygoodelf Месяц назад

yeh i got enphase IQ7A with my panels 18mnths ago, great to be able to monitor each panel just be aware each micro-inverter only outputs 349w

@Mavisto2 Месяц назад

They might only output 349w but how often in the UK would PV's generate at it's full power, plus you'll never have to worry about panel degradation over time.

@gotmygoodelf Месяц назад

@@Mavisto2 no complaints here, but I seen ppl with 440w panels and ask why production so low in strong sun.

@harvyd1967 Месяц назад

Nice vid just had 15x bifacials on my install last month, with enphase inverters and IQ5P battery, kept my system all enphase interesting the battery here is a alpha. Was a Envoy needed? I thought that was how the app worked? I never put bird protection into my install but looking to retro fit myself, seen the clenergy kit for around £115 which is plastic not metal like these. Just add while browsing for those bird guards noticed clenergy end caps! Installer did not fit these and well there only 50p so think I'll be getting those too my OCD kicked in, I know they probably have zero functionality

@colinnicol9447 Месяц назад

If you get extra light reflecting off the roof on to the rear of the panel, why don’t you fit a reflective foil panel directly on to the rear of the panels and increase ten fold the rear reflection.

@Cardetailingburnley Месяц назад

looks very good and i would like it when i get my first garage.

@artisanelectrics Месяц назад

Good luck!

@wajopek2679 Месяц назад

Where is the Envoy? This REA Fusion panel is a premium Australian product designed for harsh climates. The front and rear surfaces are bonded "glass on glass" so it should last. There is no plastic backing sheet to peel off /de-laminate over time.

@Biker_Space Месяц назад

Hey Guys. Good and neat job on the install. Pro Handyman here - quick question. Will these new panels be applicable for Van Roof use? Thanks and keep it up.

@fintrollpgr Месяц назад

I find that Hoymiles microinverters do much better than Enphase with modern 400+Wp panels. Also with OpenDTU you have a way superior and more privacy minded solution than with crappy phone apps which need a cloud and can go down at any time the manufacturer feels like it.

@stewartstewartstewart Месяц назад

What happens if an individual inverter fails? How do you get a panel off in the middle of a string?

@SeanHoulihane Месяц назад

I'm really interested in seeing some whole-year data for the bifacial panels - I have plenty of space for a 9kWp array, just need to work out the best way to optimise capital vs return (particularly winter performance).

@linmal2242 Месяц назад

"Its a grey roof...." so that is why you guys should be painting those cement tiles under the solar panel , white, to reflect all the radiation ! In fact, to keep the whole roof cool, the whole roof should be white, but you are not in a warm clime so not necessary. But it would preserve the concrete tiles and roof timbers and make em last longer, especially if you had a covering of silver sarking as insulation and xtra waterproofing. !

@johndrew3202 Месяц назад

As a possible customer I would be interested in the difference in price and longevity.

@andypag1071 5 дней назад

Are the micro inverters mains voltage? What voltage is the battery? I guess it's converted back to DC for the battery?

@JakobFischer60 5 часов назад

6:48 First time I see a non-german using that measure ruler that we call Zollstock.

@bingoflangeworthy Месяц назад

Our first set of 16 solar panels on our East-West facing roof has two Sunny Boy inverters and was installed well over 10 years ago. Our second set was installed in 2019, 14 panels, and Enphase micro inverters. Both systems generate broadly the same amount of electricity. Our first set of panels need cleaning now, and we are wondering about the merit of switching them over to a micro inverter system when we get them cleaned. The Sunny Boy inverters still work so really we should only replace them when they break, it's just that we're a bit suspicious that they are coming to end of life. We haven't had any quotes yet. We're in Leigh on Sea.

@TheKpnutter Месяц назад

Enphase microinverters have a 25 year warranty I believe, I've had them for many years but as someone above said 10 years and more is common, they are rock solid, if it ain't broke, don't fix it as they say! I just re-read what you said, you've got a string setup for one setup and microinverters for the others, I still wouldn't mess with it if its all working. The downside to string arrays is the larger inverter might fail and take them all out (that string I mean), but if its working I'd leave it that way.

@jamesnicholls9969 Месяц назад

have you ever installed Photo Voltaic Thermal panels which can do heating as well as electrical generation

@hughmarcus1 Месяц назад

Snake oil.

@silastetley9643 Месяц назад

Hmmm bird protection... wish my mum's installers put the stuff in. A Bird mite event occurred came through my room's air vent and onto my bed, I telling ye now that this event effected me for a good short while! Pest control came cleaned up and put up bird protection at a total of 1400ish (scaff needed clean, labour, bird protection)... RIGHT NIGHTMARE!

@DavidHayden-lb5wk Месяц назад

I assume the battery is AC coupled? Do you still get a grant for micro inverters?

@chuzzbot Месяц назад

Awesome so RU-vid is now a channel with commercials where the content is also commercials.

@gadgetman36 Месяц назад

10:16 Jordan mansplaining a band saw! 😂

@hennnnerz Месяц назад

Bifacial panels might be good for van solar panels?

@Marks-Garage Месяц назад

I fitted solar panels to my garage 5 years ago, panel wattage was 300w. Now i can get 450w bifacial panels of around the same size massively cheaper than my original panels. I'm abit undecided about micro inverters. You might get more efficiency but if one of them breaks or packs up you need a scaffold to remove and replace. Scaffolding is expensive. The main benefit of micro inverters is shading of panels on a string. this no longer such a big issue as alot of panels now feature methods of mitigating shade across a string.

@Deiphobuzz Месяц назад

Single panels can fail, then everything might go down. Atleast with micros, you know which exact one is down.

@fgbhrl4907 Месяц назад

If one goes down, you're down 1 panel / inverter. If a panel fails on a string inverter, you might be just out the panel, or you might be out the string. Also, you might not know where the fault is. Also, I like that it's 240VAC vs 500VDC. A lot safer in my opinion. I've DIY'd 2 enphase 10kw installs, and it's definitely more expensive, but the ease / data is awesome. Their tech support was great as well.

@WizardNumberNext Месяц назад

in UK you will get 60-70% of rated peak power output of panel 450W will give you 270W-315W MAX typical power whole year round Microinverter will live quite long Enphase IQ8A have 25 years warranty Be advised most microinverters are dying of too high voltage, not due age or random dying. I have fitted hundreds myself. I have seen exactly 5 dead. One random. 4 died of too high voltage If you have no shading, then skip micros, unless you want to avoid DC. Be advised DC should be avoided only because of DC arc is much harder to stop DC shock is much better, then what they show. I have got over 700V on both hands (plus on one hand, minus on other) from Live panels on roof. It was OK, not particularly fun, but definitely I wasn't screaming. My boss wouldn't know, ig I haven't told him and he was standing right behind me. I do not recommend to test it yourself tough - it is not fun.

@WizardNumberNext Месяц назад

@@fgbhrl4907 NOT TRUE One panel going down in string means, bypass diodes are taking over and you are losing one panel. I have seen it with microinverter and panel dropped 1/3 of its rated power.

@fgbhrl4907 Месяц назад

@@WizardNumberNext I can tell you from real world experience on my own home, that I lost a string (out of 3) because a panel failed. The junction box ended up melting, and the entire string went offline. With a string system without optimizers, I didn't know that the string had gone offline, other than I was generating less than I was expecting. It happened in the winter, so I didn't immediately put two and two together. Probably took 6 months to really notice something was happening.

@markandsuriyonphanasonkath8768 11 дней назад

Probably a silly question.... Would it help if there were mirrors on the roof or mirrored tiles?

@michaelnoble5056 Месяц назад

Do the enphases pass the UK grid isolation requirements now? I read they used to require a gateway, hopefully they fixed that :)

@ssjop Месяц назад

Very nice panels! Only a bit to powerful for the enphase micro, better use apsystems or hoymiles to avoid a lot of losses at peak power.

@jcjersey Месяц назад

Where did you get the bird protection from?

@gregstafford2155 Месяц назад

These panels would be even more efficient if they had a reflective film material like aluminium foil or white plastic sheet on the back of the panel. Not much reflection off dark tiles