Like the Electric Car Thread - Perhaps we can have a dedicated thread for Solar PV, the costs for install, the return on investment, your generation and export curves, batteries, etc.
Ain't no sunshine in my life
We've inherited a 4kW array on the place we bought last year, and had the FiT moved over to us. We've had payments of about £600 for the year.
We also have an iSolar water heater thing, which means the (oil) boiler is turned off completely from May(ish) to October(ish), and we're getting savvier about running stuff like the dishwasher/washing machine when the sun is shining (or, at least, during the day).
I'll start - we're looking to get a 12*450w in-roof array installed in August this year. Included with this will be a 10kw battery storage. The projected cost for the install is £14-16k.
Based on our current usage of 6500kwh/y we believe the array will generate about 4700kWh. We also believe that we can charge the batteries from the grid on a cheap rate to further leverage the package during the winter months.
Based on the current power costs of 30p/kWh, we think the ROI would be just under 10 years. If the batteries can be leveraged as believed that would reduce to 7 years. If the electricity price increases to 40p/kWh that could be as soon as 5 years.
We're also looking to install solar water heating on the lower roof, but it will be west facing, not south so unsure of the return on this.
We’re also looking to install solar water heating on the lower roof
Why not just heat it from solar electric (using an iSolar thing or similar)?
Why not just heat it from solar electric (using an iSolar thing or similar)?
The cost for the solar water heating system isn't that big and will provide additional benefit rather than taking away from what's already being generated. We were quote £4500 (conveniently the same price as the GHG) and believe it can be had for closer to £3500 based on speaking to several companies.
Fair enough. I'd, ideally, like to do something with wind, cos it's always windy here, but domestic wind generation seem like a bit of a non-starter.
Our solar thermal provides our hot water from May to October from just one panel (two people household). Outside that period it preheats. It thermosyphons so there's nothing to go wrong except boiling over if I don't take the lagging off the return pipe if we go away in Summer.
The washing machine can be fed direct.
PV 3kW from 10 years or so ago which paid for itself in about six and a half years.
Based on our current usage of 6500kwh/y we believe the array will generate about 4700kWh.
?
Why does the generation depend on your current usage?
(but your figure of about 4700kwh is about right compared to our S facing 3kwp installation which averages 3.2Mwh/yr)
Looking to get some solar on the roof of the house. Will hopefully be super-effective in spring/summer/autumn, but rubbish in winter.
Will hopefully be super-effective in spring/summer
/autumn, but rubbish in winter.
FTFY
Last years number from that system
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2 x roof array. Installed a few years back. FIT payments bit over £1k a year. Arrays cost c£10k. Payback should be around 10 years depending on the panel performance. Panel life is c20years so hopefully lots of money saved in the long run.
As I now work from home (plus the standard STW hot tub) I know we use all the power they generate so the 50% we get back in FIT works.
Used to worry about the figures and track them but these days just drop in the meter reading and don't bother to really look at the overall performance.
If you are looking to have a PV array plus battery install in the near future, I would book in for the work ASAP. I was at Fully Charged Live last week chatting to several companies that specialise in this and they all were quoting 6-8month lead times with some gear more like a year.
Price of PV panels is soaring at the moment through demand, though the price of inverters and batteries are coming down through economies of scale and better tech.
Givenergy were great to talk to, not too expensive and really knew their stuff as was JoJuSolar, though they were at the upper price end.
This space is really taking off right now
Got 4.14kw on the roof last year
Cost £4700 fitted.
Don't get FIT but do get paid 4 pence/kw but it quite literally has cut our kw usage in half even over winter. Because we lack batteries we pretty much have a fixed floor in daily use.
We also are using a solic to divert excess produced energy to electric heaters in autumn/winter. Little point to export and alternative is to burn oil.....
Looking at giv energy batteries -costs are coming down that's for sure. When I first looked I was being quoted 12k+ for batteries.....
4.6kw array south facing, no batteries. 3.6kw inverter. Solar iBoost to run hot water. Installed mid Feb & so far generated 1100kwh & exported about 350kw. No Fit, but 5p/kWh smart export guarantee. Apart from last week where weather was terrible (Glasgow) the hw heating has been switched off at the boiler. One of us is in during the day so we didn’t see the cost/benefit of batteries to be in out favour. £5200 all in-the extra £200 over 5k was due to a long cable run from inverter to fuse box.
Last couple of leccy bills have been £25/month (post price increase) That’s down from around £45-£60/month from April last year. Not compared gas usage like for like yet, but the solar iBoost kit is a winner so far.
Parents just had 8x PV panels installed through a green home grant in conjunction with the local council. Cost them nothing so I assume the install company is going to pocket any feed in tariff. Working well so far though as the only electric they used yesterday was when the sun went in and they put the kettle on.
We also are using a solic to divert excess produced energy to electric heaters in autumn/winter. Little point to export and alternative is to burn oil…..
Tell me more...
**EDIT Actually, ignore me, it's the same as the iBoost thing we have.
Yep same as iboost just a bit dumber and quite alot cheaper
Wish I'd got it last year tbh on a discounted local gov scheme seeing how energy prices have risen now! - forgot to apply again this year but they were massively oversubscribed so might not have gotten in anyway.If you are looking to have a PV array plus battery install in the near future, I would book in for the work ASAP
ALTHOUGH - was chatting to someone who works for a local installer & he seemed to think there were more (national) gov schemes/incentives on the way... will try to find out more!
Why does the generation depend on your current usage?
it's not, but I was trying to show that we might be able to cover around 60-80% of our current usage with the panels/export.
Inherited a 2.16kW system on the old FiT plus a single solar thermal panel for HW.
Trying to use all high demand devices during the day as much as possible.
Net about £1400/year on the FiT and have about 5 months with minimal heating of water needed too. Solar thermal cost £200 to service recently; very 2-3 years recommended so add that to your costs.
We're in a new build house with 8 panels on the roof. No battery storage. We've been in a year but I've only really paid attention over the past 2 months to the solar output meter, which has been averaging 6kWh per day for the last 2 months. Obviously that will drop in winter. We have them mounted facing South East.
Looking at my metered electric usage, I estimate we'll use about 2500kWh via that with the rest coming from solar. That's for a 4 bedroom detached house with 2 adults.
Interesting thread and hopefully I can learn something.
Quick question. How the hell are you getting so much from your FiT? We get around £11 per quarter.
New house build 4 years old. I've always thought the FiT we get from EDF is low but bloody hell.
Trying to find an installer in Hampshire at the moment, those that do reply are telling me they're too busy at the moment.
If I have the space on my roof is it worth applying for the DNO and installing an inverter larger than 3.6KW?
How the hell are you getting so much from your FiT?
FIT rates started off at about 45p when 4kW of panels cost £12k. As the cost of panels reduced, FIT reduced, until it finally stopped. Since FIT reflects the cost of the panels and was intended to ensure a payback shorter than the life of the system, you keep the rate you started with (+RPI) for the 20 years.
I’ve always thought the FiT we get from EDF is low
It makes no difference who FIT is paid through. But the export tariff varies.
Thanks Greybeard.
Makes sense I think.
Next question is, as I'm not getting any benefit from the solar panels, I was thinking of seeing if I could connect the car charger to the panels and it would charge the car during the day.
Has anyone else done this?
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Let's see if that works.......*
* Edit it did first time but best to edit to remove location......
Not bad for 57deg. North better than a kick in teeth.
accepted a quote in march for panels and battery with the removal of vat it kinda swung it for me. DNO applied for, was told this can take up to 3 month and install date of early 2023. Also an interest free loan from scot gov helped with my man maths.
Hardest part was getting quotes, everyone busy and a wait list for a survey had a few new start up companies able to fit within a week or so. I don't think so
Sharkbait, where do you get so much detailed info from? Is it direct from your Inverter? My Sunny Boy only provides me with very basic info. I like the way yours provides such a detailed report.
Which solar-immersion device is recommended please? We have a solar and battery system, but looking to use it to heat the hot water. Ta.
9 panels of PV (2.25kw 10 years old) and a panel of Thermal (2 months old) on the roof here.
The Solar thermal is excellent - I’m sure it’s wayyyyy more efficient in terms of roof space taken and the output gained. If I had an insulated thermal store big enough I think I’d have the whole roof covered in Solar thermal instead of solar PV.
The PV paid for itself at about 6 years on a FIT of 15p/kWh. We get around £650-750 a year from it. The inverter (and hence all the daily production data etc) is in the loft so plotting exact generation day-to-day is a complete faff so I haven’t done it.
HOWEVER, my smart meter in-house-display seems to have had an upgrade recently and can now tell me when I’m exporting to the grid. Needless to say, even after 10 years of use, seeing exactly when we are exporting the most electricity means it’s focussed our attention on running the washing machine/dishwasher during the day, as the FIT means that we get 15p/kW for generating whether we are using it or not, but if we are using it then we are avoiding paying for using of electricity at night/evening.
The Solar thermal is excellent – I’m sure it’s wayyyyy more efficient in terms of roof space
Yeah if your heating system is compatible it is much more efficient and a good way to get free hot water or at the very least reduce your energy use on the hot water.
Looked at it recently but the roi was about 13 years even with higher prices.
@flyingpotatoes We have a Zappi 2 car charger that monitors the mains and knows when we're exporting power. I can set it to only charge when the PV is exporting at least the minimum power the car needs to charge (1.4kW for ours). Or if it isn't very sunny I can set it to charge at 1.4kW, using mains where necessary, but boost up to the export figure if that goes higher.
But I don't know if it would be possible to backfit that kind of thing to another charger model.
Just accepted a “solar together” offer, 4 panels + a 3.4kWh battery for 7536, which seems reasonable. Just paid the £150 for the survey so far which goes against the cost if we go ahead.
I recently got advertised this on Facebook:
https://www.solariskit.com/
Any thoughts? Looks like a swanaiblw low cost option for flat roofs etc.
@ yosemitepaul
I have two PV systems on different houses and on each inverter I have a Raspberry pi that collects data from the inverter and uploads it to PV Output every 10 minutes.
They've been running for about 9 years and are incredibly reliable.
The extra information is really quite handy* and PVOutput will email you if it doesn't receive any data for a period of 40 minutes - meaning that there may be an issue with the inverter or panels (or there's been a power cut).
I bet very few people check that the solar/inverter is actually working on a daily basis!
* Not only is it good to look at but you can use the data for other stuff as well.
For example, I have electric underfloor [controlled by a Warmup wifi thermostat] in the kitchen at my main house. There's a script on the inverter Pi that checks the generation every 5 minutes and when it's over a certain level it sends a webhooks message to IfThenThat that in turn sets the temperature of the underfloor to 23c - so switching the floor on - when the generation drops below the threshold the Pi sends another message and the thermostat is dropped to 16c - so switching it off.
This way I can maximise the use of the generation (also got a diverter for the hot water).
/bookmarked/
Fwiw, I’m not convinced solar thermal is cost effective. Assuming annual servicing to keep glycol topped up & pressured correctly. Then you have to factor in you’re running a pump during daylight hours. Over complicated tech that no heating engineer wants to go near in my experience. My PV to immersion boost provides me with more hw than thermal panels ever did.
I'm interested in solar PV but it's really hard to know what's relevant if we don't know where you are and what kind of weather you get... will my panels in cloudy Manchester be the same as yours? Are you in London? Orkney? South of France?
Can I kindly request that anyone giving details also says whereabouts in the country they are? 🙂
Fwiw, I’m not convinced solar thermal is cost effective. Assuming annual servicing to keep glycol topped up & pressured correctly.
Yeah - I think you're right about cost effectiveness.
(The rest of the post is personal to my situation but it might help others with their thinking): I had a solar tank fitted a while ago; I faced installing a couple of shower pumps to boost shower pressure or fit an unvented cylinder, or fit a combi boiler. Given that a new boiler at this time is a bit 'iffy' with the gas situation, I decided to go with the cylinder option and to pay a small amount more to fit a solar-capable one. I also figured that when it comes to replacing the current gas boiler it may very well be ASHP and therefore keeping a HW cylinder in situ would mean the investment would have a longer working life.
So to fit the Solar thermal panel I DIY'ed it using a kit from Stoves and Solar (kit price £1650) and a roof access scaffold tower (hire cost £350), so the incremental cost was £2k to add the panel to my system. In terms of operating costs, I have solar PV and the pump maxes out at 40 watts so essentially 'free' to run. Maintenance will also be DIY. I'm not trying to claim any kind of Renewable Heat Initiative funding etc.
Mines in Aberdeen. - about 10 miles inland away from the worst of the haar
Worth checking your inverter can't take a plug in data logger. Many can.
My inverter lives in the attic also but it logs to an app via IoT
Fwiw, I’m not convinced solar thermal is cost effective. Assuming annual servicing to keep glycol topped up & pressured correctly.
Not much different to keeping a boiler topped up.
Then you have to factor in you’re running a pump during daylight hours. Over complicated tech that no heating engineer wants to go near in my experience.
I am surprised at that they are definitely not complicated. If a heating engineer can't understand a solar thermal solution they are not a heating engineer!
My PV to immersion boost provides me with more hw than thermal panels ever did.
Must have been something wrong because the effectiveness of solar thermal much higher.
Can I kindly request that anyone giving details also says whereabouts in the country they are?
I too am in cloudy Manchester. Well, Disley. 16*250W panels facing directly south, according to submitted meter readings (and assuming I'm understanding the properly) they produced 3300kWh in twelve months ending in March
If you have a shit tank with an undersized coil (ie not one designed with solar in mind) then an immersion in the same tank could operate better.
Can't think of many other scenarios.
It's on my list of things to do to fit a solar thermal on the dormer roof..... But that'll be when the boiler dies (grant combi @12years old so far...... Be replaced with a system boiler and tank with solar thermal input)
Just been up to look at my generation meter -showing 2780kWh for the 10 months (I didn't have the data logger in the above posts from the start)
We have exported 800kWh
My PV to immersion boost provides me with more hw than thermal panels ever did.
My hot water is heated to a higher temperature with the PV than by the boiler.
This is because the thermostat on the immersion is set to to the maximum.
It therefore actually gives more usable hot water when it's diluted to the required temperature.
Can I kindly request that anyone giving details also says whereabouts in the country they are?
The chart that I posted earlier was from our place in North Wales.
(And we all know that West is best 😉)
Not much different to keeping a boiler topped up.
Tried refilling solar thermal panels with glycol? Slightly different than adding water to a gas fired boiler system. Not to say it’s impossible, but get it wrong and you’ve a right mess on your hands. Given location I would say not a job for the untrained!
I am surprised at that they are definitely not complicated. If a heating engineer can’t understand a solar thermal solution they are not a heating engineer!
Just my experience. 9/10 heating engineers just aren’t interested/never return calls. Service costs roughly in the region of £150/year. I’d be amazed if the benefit/saving even covered the servicing costs.
In my case the solar thermal was inherited as part of the local authority’s energy saving requirements for new builds (albeit 6 years ago) which could well explain…
Must have been something wrong because the effectiveness of solar thermal much higher.
Quite possibly, the contractor at the time didn’t know their arse from their elbow. But, a 2 panel thermal system was producing hw up to 40ish degrees from April-Oct, then hardly anything after winter when the system lost its efficiency (glycol evaporated apparently!)but the quantity just wasn’t good enough for more than 1 shower. The hw had to be on at the boiler all the time. OTOH my immersion boost kicks in around 700W from the inverter, and for a family of 4 I’ve only had to turn the gas boiler (hw) on for 2 weeks. (End Feb install).
Hello all - new to this solar game, new build house with 4.2kw installed in the roof.
I’m wondering what everyone else uses to monitor their domestic consumption - I’ve got a Wi-Fi dongle feeding data from the inverter, (Solis S5), plus various apps showing smart meter data, but have been eyeing up systems that will let me see both in ‘real-time’ ie efenergy pro.
https://uk.efergy.com/efergy-pro/
Any advice or experience to share?
Thanks!
90 quid !
I'd consider it if it didn't use your smart phone as the output.
If someone does a smart meter type display that sat in your kitchen that showed generation and usage instantaneous - would save hauling phone out for a look before putting a high drain item on.
but have been eyeing up systems that will let me see both in ‘real-time’ ie efenergy pro.
That system presumes that there's a separate cable running from the inverter to the consumer unit.
I would imagine many don't (neither of my two do).
That Efergy Pro looks like it has a lot of gadget for your money. I have a Zappi EV charger which detects export and can be set up to make best use of it for charging the car, it has a real time graph showing the export but I don't think the data is saved long term. My inverter is a Sunny Boy and I can download generation data (watts, recorded every 5 min).
Some information on my installation.
A total of 15 x 250W panels, 9 on the house and 6 on the garage, facing SE on a 30º roof at 53.4ºNorth (Cheshire).
This is the total output by month since installation in 2011. It's about 3000kWh/year.
The panels on the garage are shaded by trees across the road when the sun is low, which reduces their output during winter - but even the ones on the house that are not shaded produce very little at that time, so in practical terms it doesn't make much difference.
Tried refilling solar thermal panels with glycol
Yeah, built my own charging system with a old shower pump and a plant sprayer, washing machine tails. Not complicated.
I designed my solar thermal after a German friend related all the niggles with his.
The pump was unreliable and expensive to fix - I worked out that if I put the panel on the bottom of the roof and the tank in the top it would thermosyhon so wouldn't need a pump. I used 18mm pipe throughout to improve flow.
He had had problems with the control system sometimes pumping when it shoudn't or visa versa so sometimes the tank was heating the panel - with thermosyphon there is no control system.
Today is cloudy, yesterday was warm with bright sun from 15h. I've just measured the water temperature, 47°C.
I use car anti-freeze and just top up the washing up liquid bottle I use as a header tank once a year.
It's a shame the UK smart meters don't have a P1 port (like the european ones do) - data could then be extracted.
My system PV is 15x250W panels on SSE facing roof, no obstructions, near York.
Last 12 months output 3750 kWh, with 2260kWh used for hot water (Solar iboost controller).
The 300 litre unvented tank, as someone else above mentioned, has the immersion thermostats set near max, probably about 80C. Blending valve on tank outlet drops temp to ~52C for use.
We need about 6-8kWh into hot water to cover daily usage (2 long showers and 1 bath), the tank can hold about 25kWh of heat energy when maxed out.
No fancy logging other than sad geek here takes meter readings every week and pops into a spreadsheet.
If I was installing a new system today, I'd seriously consider ~8kW of panels, similar HW system, but also battery storage. At the moment we're importing about 5kWh per day of electric, a fair portion of that is evening cooking (all electric), PV system output is dropping quite rapidly by 5-6pm.
We moved dishwasher use to mid-mornings rather than 8pm, which seems to have saved a 1-2 kWh per day import. Also wifey has learnt to use delay start on the washing machine, so doesn't run before 9am, and try to do the washing on sunny days.
random question - we're having a bunch of work including probably a new roof done late this year or early next. Are there cost savings of having solar done at the same time (I'd guess they don't have to do scaffolding etc?)
Yeah, the only real saving is scaffolding unless it's an in-roof install.
Regarding batteries - I have the option of 5, 10, 13 16 and possibly 20kWh of storage at various price points.
Our average daily usage is less than 20kWh, I'm angling toward either the 10 or 12kw packs given our 5.5kw array and usage. This would allow us to charge the battery through the day and use it in the evening in summer and to partially charge from the grid in the evenings on an off peak tariff for the winter months.
Does this sound right or should I scale up/down?
Also near York, they turn up tomorrow to fit a couple of EV chargers, and in three week to fit 7.3kW of PV plus the immersion system for the hot water tank.
The 13kWh / 5kW battery is on order, but that will be 11 months still due to lead times - however it will give me fault ride through when the mains goes off. I work for the local DNO, and strangely all of us hav e wood burners, Honda generators or these days solar and batteries. It’s almost like we know however good the electricity is, it’s never going to be perfect.
Connection agreement with the local DNO for up to 8kW export.
I think I roughly followed your advice.
@Daffy I reckoned 13kWh as a day and a bit of present usage made sense for me. Even with car charging, given the PV is running during the day you should be able to survive a mains fault in reasonable comfort. Get fault ride through though for that worthwhile feature.
If you’re not going to be car charging, then smaller is fine, as classic domestic usage is day and evening. PV covers the day, the battery mainly covers the evening with s bit left over for the night.
How much smaller depends on your standing load.
…it will give me fault ride through when the mains goes off. I work for the local DNO…
Things are bad when you work for the DNO but can't stop the mains going off! Seriously, though, I guess you must have your battery on the AC side of the PV inverter, with its own transformer and inverter. How does that compare with the battery on the DC side?
We have 4 x 250w panels on a new build. Probably powers the lamp in the living room for 2 months a year. Still, better than nothing!
@igm
Ironically 2/3 of the village had a few hours outage a couple of weeks ago. Village FB group had a photo of very dead squirrel on the transformer. The 20 or so houses at this end of village have a separate pole mounted transformer, so we were ok.
Also have the obligatory stw wood burner. Harvested another trailer load of ash last weekend, currently splitting a few barrow loads per night as after work wind down.
Things are bad when you work for the DNO but can’t stop the mains going off! Seriously, though, I guess you must have your battery on the AC side of the PV inverter, with its own transformer and inverter. How does that compare with the battery on the DC side?
The joke comment is still serious. Our entire job is about where the electricity isn’t working or isn’t at all. We rarely go where it is working properly. That probably colours our views a bit. Added to which, in the storms or floods we end up pretty much abandoning our families for days, or with Arwen weeks. It’s nice to know they’re ok, which again colours your thinking.
And with decarbonisation the need for multiple resilient energy vectors into the home will increase. Ask anyone who does reliability studies for a living.
On the AC or DC question, I like the idea of a single bidirectional inverter and EV charging, PV, battery and maybe lightning circuits (possibly heating controls) coming off the DC side. Potentially more efficient, certainly higher speed EV charging.
However as a home owner, I’m using readily commercially available components from trusted local contractors so they’re AC connected today. But could the panels and the battery be reorganised with different power electronics in the future? Possibly.
Does anybody have a MyEnergy Eddie? Had a quote that included one of these..
I like the idea of a single bidirectional inverter and EV charging, PV, battery and maybe lightning circuits (possibly heating controls) coming off the DC side.
Thanks, that would be more efficient. I was thinking particularly of coping with a mains fault. Our inverter, and I assume all other grid connected ones, isolates itself on loss of mains so anything on the DC is no use as fault cover.
A slight diversion to the conversation - apologies but I really feel I should share this with people as it's shaken me a bit.....
After fitting Solar Thermal (see entries previous in the thread) I've been keeping an eye on my smart meter and couldn't figure out what was using 11kWh of gas a day. The meter reported this usage despite the sunny weather and no cooking. What the hell is using it?
The pilot lights (I have two - one for a hot water boiler and one for heating).
I checked the smart meter half-hourly readings and sure enough, every half an hour day in, day out, 365 days a year I use 0.022m3 of gas. Over 24hrs that's 1.056m3 (or 11 kWh). Over a year it's 385m3 or 4066kWh!
That's 27% of our gas usage.
Blimey.
They are both off now during this sunny spell, but I've lived with the system running like this for 22 years. That hurts my brain as I thought I was pretty efficient with our use of the system. I would always have put this level of daily use down to heating water previously.......
All G83 / G98 inverters switch off on loss of the incoming 230V mains.
The Tesla Powerwall is not G98 compliant so you have to apply under G99 not inform under G98, but it has the circuitry to maintain the AC in the house. A contactor disconnects the house from the mains rather than the inverter from the house.
Other G99 batteries may be available. Not sure.
We’ve been looking at solar, and in truth I’ve got cold feet - interested to see what the group view is.
No contractor we’ve had yet will warranty their work beyond one year. I’m nervous. - as I perceive it to be moderately serious work to the roof with the potential for errors/leaks/bad workmanship impacting further down the line. I’d hoped/expected contractors to offer maybe 5 year warranties.
Any views? Have I just had bad contractors or is this fairly normal and I’m a nervous Nellie?
Thanks!
My installer will warranty the equipment for 10 years including the inverter...whether they'll still be in business in 10 years...
Sorry - my point is around the install, not the equipment. The manufacturer warranties the equipment, it’s the warranty offered on the install I’m worried about.
If you are thinking of having solar panels installed, I strongly recomend having wire mesh put around them to prevent birds nesting underneath. It's cheaper to have this done when they're installed and the scafolding is in place as opposed to later on when access is harder. Pigeons just love to nest under the panels, filling your gutters with old nests, crapping all over the place and making a din.... (speaks from bitter experience)
im in aberdeen..... people keep telling me solar doesnt work here - isnt viable here .....
the numbers speak for them selves and im trying to get a battery currently....
@northernremedy, a limited warranty doesn't remove your statutory rights. Warranty may (or may not) give you something better than statutory and possibly an easier way to claim.
Our panel installer was recommended by a colleague and did a brilliant job, no problems so far in 12 years. They went out of business a year after our installation, so any extra warranty would have been worthless.
Anyone used the "solartogether" service offered by local councils by getting bulk purchase power to supposedly lower costs? Or is it the usual shitshow of over priced dodgy installers..
Also, any views on house values with or without solar, especially since elec prices went up, as we are hoping to move at some point in the next 5 to 10yrs
How much are people paying for their batteries?
