We're getting one fitted on our south facing roof next month, has anyone else had this done and what were your experiences with it.
The size of the system we are installing promises that enough power to not only cover our electricity needs during the day but also feed excess power into the national grid that will turn a little profit and cover the price of the electricity we use at night. It sounds too good to be true.
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Thread: Photovoltaic System.
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31-03-2021 10:30 PM #1
Photovoltaic System.
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01-04-2021 06:57 AM #2
We install them all the time in houses we're building for both hot watr & electricity production.
One of our clients, a housing association with over 7k houses on rental put them on all their newbuilds without exception, so there must be something in it.Last edited by Peevemor; 01-04-2021 at 07:22 AM.
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01-04-2021 07:37 AM #3
I think any new build estate that was granted planning permission after a certain date (2018?) has to put them on every house.
How much is the initial outlay if you don't mind me asking?Mon the Hibs.
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01-04-2021 08:07 AM #4This quote is hidden because you are ignoring this member. Show Quote
My concern is whether it's loud with wind whistling between the panels and the roof or if rain sounds like its falling on corrugated tin. My neighbour claims it makes no difference but I wanted to hear other opinions.
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01-04-2021 08:13 AM #5This quote is hidden because you are ignoring this member. Show Quote
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01-04-2021 08:21 AM #6This quote is hidden because you are ignoring this member. Show Quote
Good point about the wind and rain noise though! I hadn't considered that.Mon the Hibs.
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01-04-2021 08:27 AM #7This quote is hidden because you are ignoring this member. Show Quote
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01-04-2021 08:42 AM #8This quote is hidden because you are ignoring this member. Show Quote
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01-04-2021 08:49 AM #9This quote is hidden because you are ignoring this member. Show Quote
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01-04-2021 08:50 AM #10This quote is hidden because you are ignoring this member. Show Quote
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01-04-2021 10:03 AM #11This quote is hidden because you are ignoring this member. Show Quote
Signed former Paramedic
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01-04-2021 10:08 AM #12
I am about to build another extension into my house and thought about adding these. Anyone got a decent contact for it
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01-04-2021 12:54 PM #13This quote is hidden because you are ignoring this member. Show Quote
No issues at all with noise. My inverter sits in the garage, but I've never noticed much noise from it when in the garage.
Unlike retrofit, our panels don't sit on top of roof tiles. My folks retrofitted solar panels on their roof in 2010 at the height of the feed in tariff scheme (I was studying an MSc in renewables at the time and told them it was a no brainer). They've never had any issues with the system.
My only disappointment with buying new build was there wasn't an option to increase the size of the system from the builders minimum. It's about 2kWp. Ideally I'd have wanted a system twice the size, to integrate with battery storage (or an EV).
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01-04-2021 03:12 PM #14This quote is hidden because you are ignoring this member. Show Quote
I know that sounds like an April Fools joke but I promise it isn't.
https://www.google.com/amp/s/amp.theguardian.com/money/2018/nov/25/homeowners-trapped-solar-panels
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01-04-2021 11:01 PM #15This quote is hidden because you are ignoring this member. Show Quote
Thanks for the feedback.Last edited by Hibrandenburg; 01-04-2021 at 11:05 PM.
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01-04-2021 11:04 PM #16This quote is hidden because you are ignoring this member. Show Quote
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02-04-2021 04:31 PM #17
Our street runs almost exactly north-south, meaning that the slopes of the roof face east and west. Anyone know if solar panels are still viable when you can't point them south? In the south-east of England in case that makes a difference.
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02-04-2021 05:50 PM #18This quote is hidden because you are ignoring this member. Show Quote
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02-04-2021 05:56 PM #19This quote is hidden because you are ignoring this member. Show Quote
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03-04-2021 07:23 AM #20This quote is hidden because you are ignoring this member. Show Quote
E-W smooths out the big midday peak you get with a south facing system.
The calculator here allows you to select your location, and input details on system size, roof slope etc. in order to estimate generation:
https://re.jrc.ec.europa.eu/pvg_tools/en/tools.html
I had a quick look at E-W for my location. Output was about 80% of a due south system.
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03-04-2021 07:25 AM #21This quote is hidden because you are ignoring this member. Show Quote
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03-04-2021 12:51 PM #22
Just had our meeting with the supplier (Enpal) to iron out the nitty gritty.
1. We've decided to rent.
2. The system will produce around 4.002 kwh. We used about 3kwh last year.
3. The system will be installed free of charge.
4. We have the option to buy the installed system at any time for €2556 per kwh produced, that price will reduce by €156 every 12 months.
5. If technological advances mean its financially viable to upgrade, then we can renegotiate instalation of new panels.
6. Enpal will insure, register and maintain the system.
7. The system has a plug n play slot to allow it to be easily connected to a power storage unit. This might be a good option if we buy an electric car for example.
8. Installation of the system will be completed in 1 day and should be ready to go 6 weeks from today.
9. If we are happy with the system and persuade our neighbours to sign up, we will receive €500 for each new customer.
10. The system is gauranteed to be working at least to 80% efficiency after 20 years.
I'm struggling to see a down side as this seems to be a win, win and win situation. Win for us financially, win for Enpal but more importantly a win for the environment in that we can offset over 2 tonnes of carbon emissions per year.Last edited by Hibrandenburg; 03-04-2021 at 12:55 PM.
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03-04-2021 03:46 PM #23This quote is hidden because you are ignoring this member. Show Quote
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03-04-2021 05:53 PM #24This quote is hidden because you are ignoring this member. Show Quote
My annual electricity bill summary quotes 3.326 kwh. So yes.
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03-04-2021 06:01 PM #25This quote is hidden because you are ignoring this member. Show Quote
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03-04-2021 06:17 PM #27This quote is hidden because you are ignoring this member. Show QuoteThere is no such thing as too much yarn, just not enough time.
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03-04-2021 06:48 PM #28This quote is hidden because you are ignoring this member. Show Quote
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03-04-2021 06:50 PM #29This quote is hidden because you are ignoring this member. Show Quote
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03-04-2021 06:56 PM #30This quote is hidden because you are ignoring this member. Show Quote
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