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Author Topic: anything missing from this proposal before I place the order?  (Read 853 times)
MrK
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« on: March 22, 2020, 05:26:04 PM »

I have a quote  for my in-roof PV installation and before I place the order I wanted to sense check it with you helpful lot...
Is there anything missing or anything I don't need or anything else to consider please

16xJA Solar JAM6OS PV panels 310w
1x Solaredge inverter
mounting kit
electrical equipment
system design
testing and commissioning
structural survey
MCS registration
£7066 inc VAT

we will also add in
iBoost
modbus

would like to get this order placed this week
« Last Edit: March 22, 2020, 07:57:53 PM by billi » Logged
Fintray
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« Reply #1 on: March 22, 2020, 06:20:20 PM »

No mention of the SolarEdge optimisers?
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3.87kWp PV
10.24kWp PV SolarEdge system
Tesla Powerwall 2
100 x 47mm Navitron tubes (still being installed!)
MK2 PV router DHW diverter
Morso 5kW WBS
Nissan Leaf
dan_b
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WWW
« Reply #2 on: March 22, 2020, 06:40:50 PM »

Exactly you need the per panel power optimisers too for SolarEdge or it won’t work
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3.06kWp SolarEdge system with a split array:
2.18kWp 10x South facing, plus 4x West facing 880W

Mk1 ImmerSUN DHW diverter
4kW PowerVault Battery

Tesla Model 3 Long Range
Iain
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« Reply #3 on: March 22, 2020, 07:05:51 PM »

Hi

Quote
No mention of the SolarEdge optimisers?

When we fitted my mates the optimisers were built into each panel.(But worth checking)
Only gives out 1 volt until connected to the inverter,

Iain
« Last Edit: March 22, 2020, 07:09:43 PM by Iain » Logged

1.98kWp PV (11 x Sharp 180 and SB 2.5)
20 x 65mm Thermal and 180ltr unvented
Powervault 4Kw - G200 Lithium-Ion (LiFePO4)
9000ltr rainwater storage   Plymouth
oliver90owner
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« Reply #4 on: March 22, 2020, 07:17:58 PM »

Likely a bit of cheek asking this on a forum sponsored by Navitron?
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Fintray
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« Reply #5 on: March 22, 2020, 07:35:11 PM »

Likely a bit of cheek asking this on a forum sponsored by Navitron?

That's true.
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3.87kWp PV
10.24kWp PV SolarEdge system
Tesla Powerwall 2
100 x 47mm Navitron tubes (still being installed!)
MK2 PV router DHW diverter
Morso 5kW WBS
Nissan Leaf
billi
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« Reply #6 on: March 22, 2020, 08:01:17 PM »

true  , supplier s name removed
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1.6 kw and 2.4 kw   PV array  , Outback MX 60 and FM80 charge controller  ,24 volt 1600 AH Battery ,6 Kw Victron inverter charger, 1.1 kw high head hydro turbine as a back up generator , 5 kw woodburner, 36 solar tubes with 360 l water tank, 1.6 kw  windturbine
MrK
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« Reply #7 on: March 22, 2020, 08:05:52 PM »

Navitron are welcome to bid for it. Hopefully they watch the forum for leads
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ecogeorge
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« Reply #8 on: March 22, 2020, 08:13:30 PM »

That's a cheeky reply ,Nuke him............
George.
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RIT
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« Reply #9 on: March 22, 2020, 09:17:59 PM »

You do have it in writing that your local network provider is happy to accept a 5kW installation? The reason for asking is that there are two standards for domestic solar G98 (up to 16A/3.68kW export) and G99 (Beyond 16A export). In the past at least it has always been the case that a G98 type connection was a formality, but the provider has far more say over a G99 connection.

The other option is that while you are having 5kW of capacity installed, the inverter will be limited to an output of 3.68kW, in which case you should just be aware of the final configuration.
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2.4kW PV system, output can be seen at  - https://pvoutput.org/list.jsp?userid=49083

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Why bother? - well, there is no planet B
biff
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An unpaid Navitron volunteer who lives off-grid.


« Reply #10 on: March 22, 2020, 09:49:57 PM »

Very True onpatrol
          Biff.
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An unpaid Navitron volunteer,who has been living off-grid,powered by wind and solar,each year better than the last one.
RIT
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« Reply #11 on: March 23, 2020, 01:43:07 AM »

As side notes

- Make sure they at least leave space for future additions to the system, such as battery storage and even EV charging. The most basic item to get right will be any consumer unit they install. If there is a chance that any additions will be wired to the same consumer unit make sure it has some free slots. A few pounds spent now will for a larger CU with a few blanks stop the need for paying for a rip and replace in the future.

- Do you have a smart meter? If so have you looked at the Octopus energy tariffs? They will pay you for any electricity that you export to the grid at around 5.5p per kWh. If you currently have a mains gas boiler this option may remove the need to have an iBoost installed as you can earn 5.5p for your export and then just use gas (currently around 2.5p per kWh) to heat the hot water. This option will depend on the efficiency of your boiler.
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2.4kW PV system, output can be seen at  - https://pvoutput.org/list.jsp?userid=49083

Join the fight against human malware at https://stats.foldingathome.org/team/259956

Why bother? - well, there is no planet B
MrK
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« Reply #12 on: March 23, 2020, 12:42:08 PM »

Thanks for all the good advice. We do have a GCHB at the moment but its old and going, the idea was no boiler and ASHP instead. Is it worth having a really small GB just to heat the water so i can sell the nenrgy
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RIT
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« Reply #13 on: March 23, 2020, 01:06:40 PM »

Thanks for all the good advice. We do have a GCHB at the moment but its old and going, the idea was no boiler and ASHP instead. Is it worth having a really small GB just to heat the water so i can sell the nenrgy

Unlikely as the cost of having any size gas boiler installed is always high and rather redundant if you are planning for ASHP + iBoost.
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2.4kW PV system, output can be seen at  - https://pvoutput.org/list.jsp?userid=49083

Join the fight against human malware at https://stats.foldingathome.org/team/259956

Why bother? - well, there is no planet B
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