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Renewables: "talking 'bout my generation"
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2.01 O's yesterday.3.96 kWp System, SSE Facing, 30 Degree Pitch, 12 x 330W BenQ Panels, Solar Edge Inverter, Lincoln, Lincolnshire. Installed 26th May 2015.0
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I have noticed that my generation seems pretty poor recently and I have checked this quarter's actual figures against the same time last year and in 2015 and this year seems to be 10-12% down. Is anyone else experiencing that sort of drop or is it something failing on my system?Solar Suntellite 250 x16 4kW Afore 3600TL dual 2KW E 2KW W no shade, DN15 March 14
[SIZE Givenergy 9.5 battery added July 23
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Sept 2016 to Sept 2017 = 4169
Year 2 slightly above year 1 but pretty consistent
R.16 Panel (250W JASolar) 4kWp, facing 170 degrees, 40 degree slope, Solis Inverter. Installed 29/9/2015 - £4700 (Norfolk Solar Together Scheme); 9.6kWh US2000C Pylontech batteries + Solis Inverter installed 12/4/2022 Year target (PVGIS-CMSAF) = 3880kWh - Installer estimate 3452 kWh:Average over 6 years = 4400 :j0 -
Poor day but the afternoon saved it!
2.02 O's3.795 kWp Solar PV System. Capital of the Wolds0 -
What you really need to do is to check the PVGIS site (see FAQs if unfamiliar) and see what they forecast for your system. If last year was a bit above average and this year no more than (say) 10% below average you've not a lot to worry about. OTOH if last year was below average and this year even lower then you need to start investigating.Living_proof wrote: »I have noticed that my generation seems pretty poor recently and I have checked this quarter's actual figures against the same time last year and in 2015 and this year seems to be 10-12% down. Is anyone else experiencing that sort of drop or is it something failing on my system?NE Derbyshire.4kWp S Facing 17.5deg slope (dormer roof).24kWh of Pylontech batteries with Lux controller BEV : Hyundai Ioniq50 -
Personally, I would not be worried, just put it down to a carp year. If you are worried, just check your daily O's for a few weeks compared to others on here. That will give you a good guideline..:rotfl:..:DLiving_proof wrote: »I have noticed that my generation seems pretty poor recently and I have checked this quarter's actual figures against the same time last year and in 2015 and this year seems to be 10-12% down. Is anyone else experiencing that sort of drop or is it something failing on my system?
Similar here but managed 2.16 O's...:)...Poor day but the afternoon saved it!
2.02 O's
2.5 kWp PV system, SSW facing, 45 Deg Roof. ABB Inverter, Monitor: 'Wattson'.
Reg. for FIT Nov 2011. "It's not what you generate; it's how you use it that matters". One very clean Vauxhall Diesel Sri, £30.00 Road Tax:
Definition of 'O's = kWh/kWp (kWh = your daily & accurate Generation figure) (kWp = the rated output of your PV Panels).0 -
2.1 ish O's from way down yonder in ??.:)16 Sanyo Hit 250s.4kWp SMA 3.8kWp inverter. SW roof. 28° pitch. Minimal shade. Nov 2011 install. Hybrid car. Ripple Kirk Hill. N.E Lincs Coast.0
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What you really need to do is to check the PVGIS site (see FAQs if unfamiliar) and see what they forecast for your system. If last year was a bit above average and this year no more than (say) 10% below average you've not a lot to worry about. OTOH if last year was below average and this year even lower then you need to start investigating.
Thanks Eric, you are dead right and the first two years were above average and this year almost dead on average. I have an east/west alignment so my total figures are a lot less than most of yours. I can hear they are getting a right good clean now!Solar Suntellite 250 x16 4kW Afore 3600TL dual 2KW E 2KW W no shade, DN15 March 14
[SIZE Givenergy 9.5 battery added July 23
[/SIZE]0 -
1.76 O's yesterday.3.96 kWp System, SSE Facing, 30 Degree Pitch, 12 x 330W BenQ Panels, Solar Edge Inverter, Lincoln, Lincolnshire. Installed 26th May 2015.0
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Living_proof wrote: »Thanks Eric, you are dead right and the first two years were above average and this year almost dead on average. I have an east/west alignment so my total figures are a lot less than most of yours. I can hear they are getting a right good clean now!
Maybe have a look on pvoutput.org for systems near you?
Not many people bother with updating it now but it's fairly simple to automate the process.4kWp, SSE, SolarEdge P300 optimisers & SE3500 Inverter, in occasionally sunny Corby, Northants.
Now with added Sunsynk 5kw hybrid ecco inverter & 15kWh Fogstar batteries. Oh Octopus Energy too.0
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