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Author Topic: August 2020 PV Generation  (Read 1038 times)
Wickham
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« on: September 01, 2020, 07:03:49 AM »

August 2020
228.6 kWh total
85.94 kWh/kWp
2.77kWh/kWp/day
7.37 kWh/day

2020 85.94 kWh/kWp
2019 99.66
2018 79.21
2017 88.05
2016 99.97
2015 77.11
2014 96.28
2013 118.49
2012 88.32
2011 81.58

An average month
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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
pantsmachine
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« Reply #1 on: September 01, 2020, 07:20:46 AM »

422.6kWh
82.45 kWh per kWp
Original system.
« Last Edit: September 01, 2020, 10:15:34 AM by pantsmachine » Logged

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
dc
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« Reply #2 on: September 01, 2020, 10:36:59 AM »

Capacity    Orientation   Slope    Lat.       Total    Best          Worst        PVGIS       %PVGIS   KWh/KWp   Daily     Days
3.995   +10 South           35      51.77N      472.2   22.606   4.907   431       110%              118.2   3.81      31
below average August
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Sharp NU-E235 x 17 = 3.995kWp, SB4000TL, 4KWh Powervault, Essex CM8 3NR  Lat - 51-46'41"
kdmnx
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« Reply #3 on: September 01, 2020, 11:45:41 AM »

Total Generation : 333.4kWh
kWh/kWp: 81.72
Exported: 9.1kWh (2.7%)
Best Day: 20th (19.2kWh, 4.71kWh/kWp)
Worst Day: 27th (2.8kWh, 0.69kWh/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))
TheMaster
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« Reply #4 on: September 01, 2020, 07:35:30 PM »

August 2020

First full month with both arrays

PVGIS: 951.71
Actual   1054.51 kWh (110.80% of forecast)
+103 kWh
kWp 117.17
Daily avg per kWp 3.78
% self powered for the month 86.71%
                  
Daily average: 34.02 kWh
Best Day: 60.81 kWh on 20th
Worst Day: 6.09 kWh on 28th
« Last Edit: September 02, 2020, 05:47:11 AM by TheMaster » Logged

Roof mount 9 x QCells Q.PEAK DUO panels 340w (3.06kW) 6 South/3 West
Solaredge Inv 3kW
Ground mount 18 x Canadian Solar 365w panels (6.57kW) South
Solaredge Inv 6kW
27 Power optimisers
Total solar 9.63kW
LuxPower Inv
6 x PylonTech 2.4kWh batteries Total 14.4kWh (12.96kWh usable)
Ecodan ASHP
marshman
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WWW
« Reply #5 on: September 01, 2020, 09:21:21 PM »

Capacity   Orientation   Slope   Lat        Total          kWh/kWpk   
3.15kWpk      157.0      11.0   50.9        444 kWh      141

2nd worst August since install in 2010.  Weather either overcast or very hot and sunny with no wind so panels very hot and not that efficient, also had at least one day lost due to power cuts.

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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 #6 on: September 03, 2020, 12:10:25 PM »

My results for August were:

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

Total generation: 352.7kWh

Daily average: 11.4kWh

Generation per kWp: 91.1kWh

Daily average per kWp: 2.94kWh

PVGIS: 342kWh

%PVGIS: 103%

2nd worst August since install in 2010 here as well.
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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
supremetwo
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« Reply #7 on: September 04, 2020, 12:57:48 AM »

Total August Generation: 413.5 kWh (BDPV PVGIS 425 kWh)

kWh/kWp: 103.4

Best Day:   20th 22.84 kWh

Worst Day: 19th   2.48 kWh
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solluva II
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« Reply #8 on: September 04, 2020, 09:12:41 AM »

Except for the dismal 2015 it was otherwise the worst of all Augusts
 
System: Ground mounted 3.84kWp, slope 40, 15 east of south,, Lat 50 40' West Dorset
Mid-August Shading. Mornings to 07:30 BST. Afternoons from 17:00 BST.
         
PVGIS: 425 kWh not taking shading into account.
PVGIS: 396 kWh taking shading into account.(6.8 % reduction)

Augusts to date:
2020 -  384.9 kWh
2019 -  427.2 kWh
2018 -  396.1 kWh
2017 -  422.3 kWh
2016 465.0 kWh
2015 340.4 kWh
2014 418.5 kWh
2013 491.3 kWh
2012 393.9 kWh

12 months generation to the end of August 2020 was 3818.9 kWh (994.5 kWh/kWp)

Total generation: 384.9 kWh 97.2 % of PVGIS (shaded) prediction.
Generation per kWp: 100.2 kWh

Daily average
Predicted PVGIS (shaded): 12.8 kWh
Actual: 12.4 kWh
Daily average per kWp: 3.2 kWh

Best Day: 21.4 kWh on 30th
Best day per kWp: 5.6 kWh

Worst Day: 1.1 kWh on 19th   This was the worst days generation since 28 February.
Worst day per kWp: 0.3 kWh
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Mikel
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« Reply #9 on: September 04, 2020, 01:32:59 PM »

Total monthly production

Aug 2020   406.9 kWh

106.0 kWh/kWp

Av daily production  13.1 kWh

Aug 2019 410.2 kWh
Aug 2018 395.2 kWh
Aug 2017 406.1 kWh
Aug 2016 428.2 kWh
Aug 2015 400.4 kWh
Aug 2014 444.2 kWh
Aug 2013 456.0 kWh
Aug 2012 417.1 kWh


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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Hydroteam
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« Reply #10 on: September 05, 2020, 08:30:30 AM »

System: 3.5KW, 14x Sanyo (now Panasonic) HIT 250 Panels, SMA SB 4000TL, 2x 7 panel strings

Location: Hampshire, UK, South (170 deg) facing

Total Generation: 425.990 KWh
Minimum: 1.960 KWh, 15th August
Maximum: 21.342 KWh, 20th August
Average: 13.742 KWh
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john999boy
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« Reply #11 on: September 05, 2020, 10:38:50 AM »

A contrasting quote from last August - but this August has been the worst ever!

Not only has this month been the best August ever

PVGIS Forecast  812 kWh
Total generation: 849 kWh (105%)
Generation per kWp: 100.3 kWh
Daily average:  27.39 kWh
kWh/kWp: 3.24
Best day: 21st 49.8 kWh (190%)
Worst day: 17th 2.1 kWh (12%)
Export meter: 68%
Immersun:  128 kWh
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8.46kWp solar PV - 169 - 40 slope - 53N. Immersun fuelled DHW.
JR
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« Reply #12 on: September 05, 2020, 04:45:37 PM »

2.5 system  10ZNShine panels  Sunny Boy Inverter  Orientating 170 degrees south  Inclination 30 degrees  East Midlands

Aug 20 - 256

Aug 19 - 295
Aug 18 - 263
Aug 17 - 275
Aug 16 - 307
Aug 15 - 253
Aug 14 - 285
Aug 13 - 299
Aug 12 - 246

Expected generation 260
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al barge
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« Reply #13 on: September 05, 2020, 11:54:57 PM »

I can now for the first time add to these threads with my first small array:

9 x 80w Yingli panels: 720w Ground mount array +8 Deg South, 30 Deg slope 51.5Deg Lat. Early morning and evening shading

Aug 2020 Total= 76.29KWh

105.9 - KWh/KWp
« Last Edit: September 05, 2020, 11:58:18 PM by al barge » Logged

38m Barge, Victron Multi 24/3000/70-16, Victron CCGX, 420Ah (c5) Used Forklift Batts, Smartgauge, 900w Kinve Panels, 720w Yingli panels, DIY wood Stove, DIY diesel drip stove heat exchanger circuit, 750l Akvaterm Thermal store - to be connected.
scfnet
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« Reply #14 on: September 07, 2020, 07:21:22 AM »

August 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: 400.040kWh
Daily average: 12.905kWh
Generation per kWp: 113.487kWh
Daily average per kWp: 3.661kWh
Best day: 21.056kWh - 20/08/2020
Worst day: 2.488kWh - 15/08/2020
Capacity    Orientation    Slope    Lat    Total    Best    Worst    PVGIS    %PVGIS    kWh/kWp    Daily    Days   
3.5251753051.24N400.04021.0562.488386.000103.637113.48712.90531
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3.525kWp, 15 x Schott Poly 235, Sunny Boy 4000TL-20 with Webbox, almost south.
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