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Author Topic: More PV @ Courtiestown  (Read 31839 times)
linesrg
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« on: April 24, 2017, 07:34:09 PM »

Good Evening All,

I idly sent an EM to SSE in Perth the other day enquiring as to whether I could add any more PV to my existing system. I was pleasantly surprised to receive a 'positive' response so I've now asked how much I can add given the property is single phase.

I have no real idea what or how this might be implemented. Given it won't attract FIT's (which isn't an issue) I'm assuming second hand equipment/ non-MCS approved equipment could be used - I need to keep the costs down to make it even vaguely worthwhile. It would still need installing/ signing off by an approved installer of course. A G59 application will be required?

I have a 'spare' brand new never fitted/ used SMA SB1700.

This is part of a longer term plan to install a battery storage system.

Any advice/ comments welcome.

Regards

Richard
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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« Reply #1 on: April 25, 2017, 10:44:10 AM »

I idly sent an EM to SSE in Perth the other day enquiring as to whether I could add any more PV to my existing system. I was pleasantly surprised to receive a 'positive' response so I've now asked how much I can add given the property is single phase.
I was amazed by their speed of response when I asked a year or two ago. Their initial response for what we could extend to was everything we could have wished for (mor ethan double our existing) & at very little cost (around £500 IIRC). Sadly when we looked at the map they sent we realised they thought we lived in the ruin on the other side of the road, very close to the pole mounted transformer. When we informed them of their error it became > £5K for an extra pole and re-routing the overhead and even then only a small increase in capacity, so the idea was dropped.
Mind you, all that was sorted out in just a few days, so that at least was good.

Hopefully your situation is much clearer & simpler & has a better outcome.
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Regards
David
3.91kWp PV  (17 x Moser Baer 230 and Aurora PVI-3.6-OUTD-S-UK), slope 40°, WSW, Lat 57° 9' (Isle of Skye)
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« Reply #2 on: April 25, 2017, 01:03:03 PM »

David,

The pole with the transformer to the 11kV(?) line is only 30mtrs from where the power enters the property so hopefully this will be a positive???

Regards

Richard
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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« Reply #3 on: April 25, 2017, 03:15:16 PM »

The pole with the transformer to the 11kV(?) line is only 30mtrs from where the power enters the property so hopefully this will be a positive???
And you are the only user?
If so then I think it should be plain sailing.

The 'ruin across the road' is about that distance from the single phase pole transformer and if we lived there we could have had the 10kWp total we enquired about (even though there are half a dozen other properties sharing the transformer).

A near neighbour who is the only connection to the single phase pole mounted transformer (11kV?) they had fitted when they built the house had no trouble getting permission to connect for a 10kW wind turbine.
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Regards
David
3.91kWp PV  (17 x Moser Baer 230 and Aurora PVI-3.6-OUTD-S-UK), slope 40°, WSW, Lat 57° 9' (Isle of Skye)
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« Reply #4 on: April 25, 2017, 07:18:02 PM »

David,

There are a total of 4 other users within 400yds on this same 11kV line, we are the only one with any RE systems.

I actually went out last night to try and work out where I could put any more panels where the shading would be minimised at least during peak times of day. The panels already mounted are 'optimally' located and without too much thought given to expansion as I hadn't thought it would happen.

I'm not going to get my hopes up too much yet.

Regards

Richard
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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« Reply #5 on: April 26, 2017, 12:41:31 PM »

Good Afternoon All,

I've just had this reply from SSE -

Thank you for your communication.

Apologies for the delay I have been getting a full answer for you.

There is no limit as to how much you can extend their system, however we do require as much information as possible should the extension go ahead.

This will include details such as:

The commissioning date
The total installed capacity of the extension
If the system is going through a different meter. If not, confirmation of which, if any, meter system will run through
Readings from the existing generation meters on the date of installation
We ordinarily advise customers to have a separate generation meter installed so we can continue to pay accurately on the existing meters, without having to do a split payment. If no separate generation meter is to be installed, then we will calculate a split based on the Total Installed Capacity fitted in excess of the existing installation.

We cannot be sure whether a G59 or G83 will need to be sent to the DNO as this is dependent on the extension size and the local DNOs guidelines. The installer will be able to advise whether or G83 or G59 will need to be sent when advising on the potential installation.

 
If I can be of any further assistance please don’t hesitate to contact me.

Kind regards

Roy Oyston

Customer Service


I'm sure they don't really mean there is no limit?? Still let's not look a gift horse in the mouth.

Regards

Richard
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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« Reply #6 on: April 26, 2017, 01:37:55 PM »

Richard,

I think you are speaking to the wrong people and those people have answered the wrong question.  I assume you are speaking to SSE FiTs team who I assume you registered with for FiT payments. As they say they don't mind how much capacity you have, they just need the readings and will pay the FiT as required. This is because they are not responsible for your connection, just the billing.

You need to speak to your DNO - down here it is UK Power Networks, in your case it is SSE Power Distribution. ( https://www.ssepd.co.uk/Home/ ) They are the ones that sort the physical side. As with electricity supply where the FiT team do not speak to the supply team I suspect they dont speak to the power distribution team either. As I understand it you can connect up to 16A worth and tell them afterwards, any more and you have to ask their permission first.

Roger
« Last Edit: April 26, 2017, 01:44:28 PM by marshman » Logged

3.15kWpk (15xSharp ND210)/SB3000. & 3.675kWpk (15 x Suntech 245WD)/SB4000TL, 10kW GSHP driving Wirsbo underfloor heating from 1200m ground loops. 10' x 7' solar wall (experimental). Clearview 650 Wood Burning Stove. MHRV - diy retrofit. Triple glazing.
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« Reply #7 on: April 26, 2017, 01:47:37 PM »

Roger,

You're quite correct. The DNO is also SSE. I have contacted Gavin A and also a local installer in order to move forwards on this.

Regards

Richard
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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« Reply #8 on: April 26, 2017, 03:27:59 PM »

You need to speak to your DNO - down here it is UK Power Networks, in your case it is SSE Power Distribution. ( https://www.ssepd.co.uk/Home/ ) They are the ones that sort the physical side. As with electricity supply where the FiT team do not speak to the supply team I suspect they dont speak to the power distribution team either. As I understand it you can connect up to 16A worth and tell them afterwards, any more and you have to ask their permission first.
Ah. Yes. I'd assumed that was the enquiry being made.

I found a relevant page on the SSE website which had a PDF form that I filled in and submitted by e-mail to the 'Microgeneration Connections"(?) department.

I think this is the currently equivalent page:

https://www.ssepd.co.uk/Applications/Generation/

The "Download application form" link seems to give the same form I used.

The form asks for details you don't yet have (e.g. equipment), but I made it a 'what if' sort of enquiry and they seemed happy enough to respond.

e.g. (my responses in italics)
Proposed date of installation completion: No specific proposal yet

Installer company name: House holder budget enquiry

Generator location within premises: Connect to existing supply via GTI

Generator capacity Aggregate generator capacity to be installed, in kVA for AC machine, or,
AC power output in kW for Photovoltaic: up to 10kW max, see below

Maximum export level onto the DNO electricity network(kW): up to 10kW max, see below

Manufacturer and model type: To be decided

In "Please detail any other information you feel would be useful in support of your application." I described what we already had and said I was interested in adding more, up to a total of 10kWp, I also included a grid reference, Lat & Long, MPANS, location of meters.

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Regards
David
3.91kWp PV  (17 x Moser Baer 230 and Aurora PVI-3.6-OUTD-S-UK), slope 40°, WSW, Lat 57° 9' (Isle of Skye)
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« Reply #9 on: May 09, 2017, 11:16:10 AM »

Good Morning All,

Now I'm going down the correct route I'm making a 'budget' application for an extension to my existing system with a promised response by 22nd May, hopefully they're not going to decide I need reinforcement.

From the plan they supplied I take it 50kVA amounts to approximately a 100A supply for each of the two properties?

Regards

Richard

* EJG880_001_20170509_GIS_SITELOCATIONPLAN-2.pdf (593.73 KB - downloaded 83 times.)
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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« Reply #10 on: May 23, 2017, 08:38:45 AM »

Good Morning All,

Looking at the application form for adding to my existing installation I believe I need to make my extension G59/ 3 compliant??? A quick recap I already have 3.68kW installed and want to add another 1.645kW.

Could somebody with the requisite knowledge please advise. I seem to be having a problem getting my local installer round at the moment as he seems more involved with overseeing a couple of bungalows he's on with having built............. (he has actually dropped out of the MCS approval scheme due to the drop off in work installing systems apparently).

Regards

Richard
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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« Reply #11 on: May 28, 2017, 10:08:19 AM »

Good Morning All,

I seem to have run in to something of a brick wall finding a G59/ 3 capable electrical person!!!

Err help required please................

Regards

Richard
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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« Reply #12 on: May 28, 2017, 02:31:56 PM »

I seem to have run in to something of a brick wall finding a G59/ 3 capable electrical person!!!
If you are at the stage I think you are, i.e. the same stage as when I made my enquiry, then do what I did & make it very general & non-specific, e.g. "Manufacturer and model type: To be decided" (for more examples see my earlier post, above). SSE were perfectly happy to respond to that. Obviously if the initial answer make the project look feasible they'll want a full formal application later, but by that stage you'll have been getting quotes & those PV suppliers should be able to advise?
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David
3.91kWp PV  (17 x Moser Baer 230 and Aurora PVI-3.6-OUTD-S-UK), slope 40°, WSW, Lat 57° 9' (Isle of Skye)
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« Reply #13 on: June 02, 2017, 09:24:10 AM »

Good Morning All,

I need advice from any solar PV installers on the forum pretty please.............

I made an enquiry of SolarEdge a couple of days ago and have had a response which wasn't what I was expecting and I have no reason to doubt his word.

SSE have advised my extension needs to be G59/ 3 compliant, the technical guy at SolarEdge says no it doesn't - quote.

"But let me just correct the bad info SSE have given you. In accordance with the Distribution Code for the UK any system which is 50kWp or smaller and made up of individual type tested units 16amp/3.68kW or smaller, only have to have the inverters G83/2 certified even though your application for the site itself is G59/3."

My system evolved from the pre-FIT days. I started off with a 1.28kW system consisting of 16 x 80W Chinese panels into an SMA inverter. Then, with FIT's looming, I installed another 32 x 80W BP panels into two separate inverters as 16 of these panels were on a Lorentz tracker. My 'system' is therefore three separate 1.28kW sub-systems.

Bear with me here. I want to expand the system ( even though it doesn't make an real economic sense) and am aiming to keep costs rock bottom accordingly whilst recognising that I need an accredited/ qualified person to do the final connecting up.

As I see it I have two options:-

1. I install the additional 1.645kW as another separate system with separate metering or
2. I merge the ROC/ FIT 1.28kw (currently on a G83/ 1 compliant inverter) with the 1.645kW and get a G83/ 2 compliant 3kw inverter and SSE will have to pay my ROC/ FIT's payments in proportion.

Any advice gratefully received.

Regards

Richard
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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« Reply #14 on: October 03, 2017, 04:54:40 PM »

Good Afternoon All,

That's me back on dry land again (only 5 days ago) and I've just had a reply from SSE in connection with my application to expand my system. I only planned on expanding 1.645kW and SSE want £584.40 to allow me to do this.

I did ask them a theoretical question about how much I could expand the system by. If I have to pay such a fee I'd like to know how much extra capacity I can install before they do charge for any 'reinforcement' works but they seem incapable/ unwilling to do this.

I have attached their letter for people to see.

Regards

Richard

* EJX542_001_20171003_QUOTELETTER.pdf (571.17 KB - downloaded 132 times.)
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1.28kW on a Lorentz ETATRACK1000 + 1.44kW/ SB3000TL-21 (FIT), 1.28kW/ SB1700 (ROO/FIT). CTC GSi12 heat pump/Ecosol/Flowbox 8010e/Gledhill ASL0085 EHS/3off Navitron 4720AL Solar ET & Immersun T1060/T1070/T1090. 3.375kW/ SMA SB3600TL-21 and a Sunny Island 4.4M-12 c/w 15.2kWh battery and a Renault Zoe.
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