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Author Topic: May 2020 PV Generation  (Read 2218 times)
kdmnx
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« on: May 31, 2020, 06:38:38 PM »

Right Im calling it, my array is SE facing so down below 20W now.

Total generation : 526.7 kWh
kWh/kWp : 129.09
Exported : 26.8 kWh (5.1%)
Best day : 31st (25.7 kWh, 6.30 kWh/kWp)
Worst day : 10th (5.1 kWh, 1.25 kWh/kWp)
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12x JA Solar 340Wp panels (total 4080Wp)
Lux Power inverter charger
5x PylonTech 2000 2.4kWh batteries (total 12kWh (11kWh usable))
marshman
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WWW
« Reply #1 on: May 31, 2020, 07:36:36 PM »

Capacity   Orientation   Slope   Lat        Total          kWh/kWpk   
3.15kWpk      157.0      11.0   50.9        612.2 kWh      194.3

Average daily:  6.27kWh/kWpk
Total kWh/kWpk: 194.3

612kWh from a 10 year old fixed 3.15kWpk system  Cheesy

3rd record month in a row. Best month since install. Beat previous best May by 16% and previous best monthly total of 574kWh in June 2017  (yes I know May is 31 days and June is only 30 but even allowing for a 30 day May it still beat it by 12kWh)

Combination of clear skies - lack of con trails (we are under Heathrow/Gatwick flight paths from Europe) and also consistent cool North Easterly wind for the last 2 weeks, only had two days above 20 deg C this month.

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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.
Fintray
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« Reply #2 on: May 31, 2020, 07:57:56 PM »

My results for May were:

3.87 kWp, slope 50 degrees, due south, lat 57.15

Total generation: 500.3kWh

Daily average: 16.1kWh

Generation per kWp: 129.3kWh

Daily average per kWp: 4.16kWh

PVGIS: 401kWh

%PVGIS: 125%
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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
benseb
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« Reply #3 on: May 31, 2020, 08:15:01 PM »

9kWp system facing East/West

Total generation: 1.01MWh

Daily average: 32.6kWh

Generation per kWp: 112
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john999boy
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« Reply #4 on: May 31, 2020, 08:25:46 PM »

It took until the very last day to set the best May and best 'any' month records beating the previous (May 2018) by 43kWh!

PVGIS Forecast  916 kWh
Total generation: 1277 kWh (139%)
Generation per kWp: 150.9 kWh
Daily average:  41.2 kWh
kWh/kWp: 4.87
Best day: 6th 57.1 kWh (193%)
Worst day(s): 10th 9.3 kWh (31%)
Export meter: 74%
Immersun:  144 kWh
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8.46kWp solar PV - 169 - 40 slope - 53N. Immersun fuelled DHW.
paul149
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« Reply #5 on: May 31, 2020, 08:34:53 PM »

Out of 255 Hours 37 Mins* of Sun & 3.4 mm* of Rain! My Kit managed this;

Total generation: 602 kWh  best Month Ever so far ( since Nov 2011)

447 kWh May  2019
472 kWh May  2018,
433 kWh May  2017,                  
471 kWh May  2016,
449 kWh May  2015,
416 kWh May  2014,
434 kWh May  2013,
450 kWh May  2012,           May Avg to Date= 463 kWh

PVGIS (classic)   396  kWh = 152% !
PVGIS (cmsaf)    409  kWh = 147% !

Daily average:  19.4 kWh

Generation per kWp: 172 kWh

Daily average per kWp: 5.54 kWh

Best day:    23.6   kWh 20th

Worst day:   4.48  kWh 10th

Capacity  Orientation  Slope   Lat    Total    Best     Worst   PVGIS(c)   %PVGIS    kWh/kWp   Daily/kWp   Days    
3.5            225           35     51.3    602     23.6      4.85        396         152         172            5.54       31
*source Weather Bristol http://www.martynhicks.uk/weather/data.php
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3.5 kWp (14 x Sanyo H250E01 + SB3000TL) 225' (SW) at 35' Pitch Lat 51.30' (Bristol) Installed cost 2.63/Wp (Nov 2011) now with solarimmersion and 250L unvented dhw (Almost Zero gas input for DHW from Apr to mid Sep)
firepete
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« Reply #6 on: May 31, 2020, 09:24:13 PM »

another pb 612 kw generation  best by over 80kw   looks like a good year   
3.9 kwh  system south facing
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pantsmachine
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« Reply #7 on: May 31, 2020, 09:45:58 PM »

660kwh for May 128.9 per kwp. Gobsmacked! Smiley
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8.045kWh PV system with Solar edge
9.6kWh Pylon tech battery storage
18kWh Heater Storage
Solar I boost charging 12kWh 210 ltr OSO system tank
Deep insulation, air leak controlled home
Zoned CH wet system & Hive 2
Burley W/Stove
Low energy bulbs
24 kW Leaf
Veg patches & wood fired hot tub
hallie
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« Reply #8 on: May 31, 2020, 09:50:17 PM »

Best ever month by far   Shocked

Total:  651.4 kWh

Best day: 25.2 kWh 24/05/2020

Worst day: 6.8 kWh 03/05/2020

Generation per kWp: 177.01 kWh!!

Daily average per kWp: 5.71 kWh

Daily average: 21.01 kWh
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DIY installed system @ 1.77 per w
16 x 230w Upsolar panels = 3.68 kwp
StecaGrid 3600
Solic 200 fitted May 2017
SW facing in Chandlers Ford, Hampshire

Generated totals : 3570 kwh (2012/13) 3651 kwh (2013/14) 3761 (2014/15) 3605 kwh (2015/16) 3657 kwh (2016/17) 3751 kwh (2017/18)
Iain
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« Reply #9 on: May 31, 2020, 10:17:18 PM »

Hi
Best month so far.
186 kWh / kWp

Iain
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1.98kWp PV (11 x Sharp 180 and SB 2.5)
20 x 65mm Thermal and 180ltr unvented
Powervault 4Kw - P3 Amita Lithium Battery
9000ltr rainwater storage   Plymouth
supremetwo
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« Reply #10 on: May 31, 2020, 10:33:07 PM »

My best ever month as well.

Total:  623.4 kWh

Best day 6th: 23.99 kWh (and 16 other days close to that!)

Worst day 3rd: 8.44 kWh

Generation per kWp: 155.85 kWh
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Wickham
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« Reply #11 on: June 01, 2020, 06:11:02 AM »

May 2020
360.1 kWh total
135.38 kWh/kWp
4.37 kWh/kWp/day
11.62 kWh/day

2020 135.38 kWh/kWp
2019 84.43
2018 113.63
2017 100.98
2016 111.09
2015 103.65
2014 84.81
2013 99.54
2012 99.11
2011 99.24

An excellent May, as expected.
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14 Upsolar UP-M190M 190W panels total 2.66kWp and 13 Enecsys SMI-200/G83 and 1 SMI-240/G83 72 cell micro-inverters and website gateway unit, ground-mounted in early May 2011; 30 degree slope; 5 degrees east of south; 8 miles west of Salisbury
scfnet
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« Reply #12 on: June 01, 2020, 07:20:57 AM »

May 2020
System: 3.525kWp (15 Schott Poly 235, Sunny Boy TL4000)
Slope 30, 175 (South -5), Lat: 51.24N Long: 0.72W - Ash, Surrey
Total generation: 607.422kWh
Daily average: 19.594kWh
Generation per kWp: 172.318kWh
Daily average per kWp: 5.559kWh
Best day: 23.816kWh - 29/05/2020
Worst day: 6.926kWh - 03/05/2020
Capacity    Orientation    Slope    Lat    Total    Best    Worst    PVGIS    %PVGIS    kWh/kWp    Daily    Days   
3.5251753051.24N607.42223.8166.926424.000143.260172.31819.59431
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3.525kWp, 15 x Schott Poly 235, Sunny Boy 4000TL-20 with Webbox, almost south.
Mikel
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« Reply #13 on: June 01, 2020, 08:32:34 AM »

Total monthly production

May 2020   604.6 kWh

157.4 kWh/kWp

Av daily production  19.5 kWh

May 2019 559.6 kWh
May 2018 497.1 kWh
May 2017 421.8 kWh
May 2016 498.7 kWh
May 2015 471.0 kWh
May 2014 481.9 kWh
May 2013 529.4 kWh
May 2012 496.5 kWh

Best May figures since install.

3.84 kW, Ground mount, S facing, slope 25 degrees, 16*240w Sanyo HIT panels, Fronius IG 40 inverter, West Cornwall
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dc
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« Reply #14 on: June 01, 2020, 08:46:41 AM »

Capacity    Orientation   Slope    Lat.      Total       Best   Worst   PVGIS   %PVGIS   KWh/KWp   Daily       Days
3.995   +10 South    35      51.77N     698.614     28.667   9.887   491           142%   174.9   5.64    31
record breaking month, including best single day.
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Sharp NU-E235 x 17 = 3.995kWp, SB4000TL, 4KWh Powervault, Essex CM8 3NR  Lat - 51-46'41"
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