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Author Topic: May 2020 PV Generation  (Read 2219 times)
JR
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« Reply #15 on: June 03, 2020, 04:50:18 PM »

2.5 system  10ZNShine Panels  Sunny Boy Inverter  Orientation 170 degrees south  Inclination 30 degrees  East Midlands

May 2020 - 385

May 2019 - 320
May 2018 - 365
May 2017 - 306
May 2016 - 324
May 2015 - 301
May 2014 - 291
May 2013 - 303

Expected generation 279
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Nickel2
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Sunny North-East Hampshire


« Reply #16 on: June 03, 2020, 04:59:43 PM »

I stopped taking monthly readings after accidentally erasing the lot. (caused by the MPPT controller data cable being exposed to extreme electrostatic fields from my VDG's).
This is however a wonderful point of reference for all production, being the sunniest month since records began. NE Hants has been virtually cloudless. (perfect for my HW system to develop a blockage).
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1.140kW mono south-facing at 49*
EpEver 4210A at 24v
New (Old) 8S7P LiFe battery, 105Ah @ 26.4V
EpEver STI1000-24-230 pure sine inverter
Of course it'll work. (It hasn't caught fire yet).
Nissan micra Spirita   (Short range)
solluva II
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« Reply #17 on: June 04, 2020, 10:24:53 PM »

Also here the best month out of any  since installation in 2011. I also wonder how much of this is due to the complete lack of vapour trails. Being on main East -West and North-South air routes normally results in the sky seldom being clear of haze originating from vapour trails.

System: Ground mounted 3.84kWp, slope 40, 15 east of south,, Lat 50 40' West Dorset

Generation for the months of May:
2020 -  615.0 kWh
2019 -  477.7 kWh
2018 -  553.5 kWh
2017 -  452.0 kWh
2016 489.0 kWh
2015 449.5 kWh
2014 452.3 kWh
2013 514.5 kWh
2012 549.2 kWh

Mid-May Shading. Mornings to 07:00 BST. Afternoons from 18:00 BST.

PVGIS: 476 kWh not taking shading into account.
PVGIS: 432 kWh taking shading into account.(9.3 % reduction)

Total generation: 615.0 kWh 142.4 % of PVGIS (shaded) prediction.
Generation per kWp: 160.2 kWh

Daily average
Predicted PVGIS (shaded): 14.4 kWh
Actual: 19.8 kWh
Daily average per kWp: 5.2 kWh
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ASB
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« Reply #18 on: June 05, 2020, 09:57:57 AM »

Best month since installation in 2015.

597kWh for our west facing 4kWp system in South Wales.
PVGIS estimate is 463kWh for May.
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4kWp, W roof, 30 pitch, Solar Edge Inverter + Optimisers. South Wales Valleys, Installed Aug 2015. Octopus Agile Electric Tariff.
Solic 200 Diverter, Toshiba Ultra High Efficiency Air Conditioner/Heat Pump, Kia Soul & Renault Zoe EV's & Ohme Charger.
Hydroteam
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« Reply #19 on: July 10, 2020, 07:38:10 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: 614.789 KWh
Minimum: 6.746 KWh, 10th May
Maximum: 24.195 KWh, 18th May
Average: 19.832 KWh

A record months generation since installation including all the summer months
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