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Solar PV, Where Do I Start, HELP!!!
Comments
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What hours does your missus work? To benefit the car charge it will have to be parked up 9am to 5pm summer time. This time of year from 10am to 3pm and that's on a good day. Really only worth the electricity they make from March to Sept. IMHO only worth it for the FIT.
You also seem fixated on the number of panels quoted. That is wholly irrelevant it is the capacity that is key.0 -
Goldfinger09 wrote: »Whoops...
Forgot to say, it's a Velux type loft window, only on the south roof too, it's about a meter square too.
Something like this?
You can see how much that affects our performance here
http://solar-panels-review.321web.co.uk/yearly-solar-panel-stats.php
Yep, we get over 3000kWh per year from 3kWp panels so no shading effect at all.Remember the saying: if it looks too good to be true it almost certainly is.0 -
You also seem fixated on the number of panels quoted. That is wholly irrelevant it is the capacity that is key.
Whilst individual panel capacity can vary, depending on type chosen, the total capacity will relate to the total number of panels installed, and is therefore wholly important.
Pointing out that the two quotes (so far) related to 6 v's 16 panels is very useful information to those of us trying to respond and help.
Mart.Mart. Cardiff. 8.72 kWp PV systems (2.12 SSW 4.6 ESE & 2.0 WNW). 28kWh battery storage. Two A2A units for cleaner heating. Two BEV's for cleaner driving.
For general PV advice please see the PV FAQ thread on the Green & Ethical Board.0 -
Not at all there is a big difference to 6x 200kw panels to 6x250 . As i said it is the capacity overall that counts.
I have 18 panels but that means nothing without telling you that they are 200 ones so a peak of 3.6.
Been in for 4 yrs know and make about 3100 kwh per year. SW scotland facing ESE0 -
Hope this shows a better description of our roof...
We both work through the day, and I think / hope she may only need to charge the car at the weekend as her mileage is so low and near enough within the hybrids electric range..
As for panels... With us both working through the day, I'm guessing the FIT is a major factor for us now?0 -
Just been recommended these people, as they did the mums house of a mate....
http://www.greenenergygeneration.co.uk/index.php
Anyone else had any dealings with, or know anything about them either....?0 -
^^^ Just rang them...
They use a Swiss made 'REC' panels, and they use they use Solar Edge Inverters with the 'power optimisers'....??0 -
Goldfinger09 wrote: »As for panels... With us both working through the day, I'm guessing the FIT is a major factor for us now?
I'm quite sure that FIT payments would always have been the major incentive for anyone - house occupied or not during day.
But not being there doesn't stop you benefitting from any free electricity. You can arrange to use some major appliances on a timer circuit or better still something like an Optiplug.NE Derbyshire.4kWp S Facing 17.5deg slope (dormer roof).24kWh of Pylontech batteries with Lux controller BEV : Hyundai Ioniq50 -
Not at all there is a big difference to 6x 200kw panels to 6x250 . As i said it is the capacity overall that counts.
To suggest to someone new to PV and asking for advice that referring to the number of panels is 'fixating' is anything but helpful.
As you state, total capacity is important, and that will be a direct function of the Wp of each panel multiplied by the number of panels that can be installed.
If your 18 panels is "wholly irrelevant" then how would anyone get to that 3.6kWp figure?
Given that in most conversations it's fair to assume that ~250Wp panels are being discussed, or that it's almost certain that panels in the 180Wp to 330Wp range are being discussed, then the conversation will almost always move on to how many panels can be installed.
I'll also assume that 200kw(sic) panels was a typo.
I could also challenge your time of day generation figures, given that by 8am this morning my generation was well in excess of baseload - 400W v's 200W, and was in excess of 1.5kW by 9am.
So location and orientation also need to be taken into account. Which will vary from one install to the next.
Mart.Mart. Cardiff. 8.72 kWp PV systems (2.12 SSW 4.6 ESE & 2.0 WNW). 28kWh battery storage. Two A2A units for cleaner heating. Two BEV's for cleaner driving.
For general PV advice please see the PV FAQ thread on the Green & Ethical Board.0 -
Solar edge is for shading, nothing else. If you're losing/topping the tree then a dual MPPT inverter will suffice(cheaper and less bits on roof)Goldfinger09 wrote: »^^^ Just rang them...
They use a Swiss made 'REC' panels, and they use they use Solar Edge Inverters with the 'power optimisers'....??
Shhh! You'll get Eric started about comparisonsMartyn1981 wrote: »So location and orientation also need to be taken into account. Which will vary from one install to the next.
Mart.
2 kWp SEbE , 2kWp SSW & 2.5kWp NWbW.....in sunny North Derbyshire17.7kWh Givenergy battery added(for the power hungry kids)0
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