May 2021 PV Generation

Update your annual/monthly generation data. Please list system details in first post.
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Fintray
Posts: 1349
Joined: Mon May 31, 2021 6:37 pm
Location: Aberdeenshire

May 2021 PV Generation

#1

Post by Fintray »

My results for May were:

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

Total generation: 429kWh

Daily average: 13.8kWh

Generation per kWp: 110.8kWh

Daily average per kWp: 3.6kWh

PVGIS: 401kWh

%PVGIS: 107%
3.87kWp PV
10.24kWp PV SolarEdge system
Tesla Powerwall 2
100 x 47mm Navitron tubes (still being installed!) Now likely to be removed for more PV.
MK2 PV router DHW diverter
Morso 5kW WBS
Vaillant AroTherm 10kW ASHP
Nissan Leaf
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Joeboy
Posts: 7327
Joined: Mon May 31, 2021 4:22 pm
Location: Inverurie

Re: May 2021 PV Generation

#2

Post by Joeboy »

Ah Fintray, good to see you, the world is operating correctly once more. :)
1st Array 530kWh
2nd Array 196 kWh
Total 726 kWh-90.75kWp

A strange May yet had my best single day ever on the 30th May 32 kWh on MA & 12.4kWh on SA = 44.4 kWh single day generation. Today looks like maybe beating that. :)
18.2kW PV SE, VI, HM, EN & DW
Ripple 7kW WT & Gen to date 11MWh
42kWh LFPO4 storage
95kWh Heater storage
12kWh 210ltr HWT.
73kWh HI5
Deep insulation, air leak ct'd home
Zoned GCH & Hive 2
WBSx2
Low energy bulbs
Veg patches & fruit trees
User avatar
Fintray
Posts: 1349
Joined: Mon May 31, 2021 6:37 pm
Location: Aberdeenshire

Re: May 2021 PV Generation

#3

Post by Fintray »

A good last couple of days in May (25.8 and 27kWh resp.) but overall my worst May since install, 429kWh compared to the previous average of 492kWh.
Last edited by Fintray on Tue Jun 01, 2021 10:08 am, edited 2 times in total.
3.87kWp PV
10.24kWp PV SolarEdge system
Tesla Powerwall 2
100 x 47mm Navitron tubes (still being installed!) Now likely to be removed for more PV.
MK2 PV router DHW diverter
Morso 5kW WBS
Vaillant AroTherm 10kW ASHP
Nissan Leaf
JR
Posts: 53
Joined: Wed Jun 02, 2021 8:30 pm

Re: May 2021 PV Generation

#4

Post by JR »

First time in 9 years I havent quite made the expected generation.

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

May 2021 - 275

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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