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Sept 2021 PV Generation
Posted: Thu Sep 30, 2021 9:00 am
by Joeboy
A day early as we are off on hols this morn.
477kWh generated
An outstanding 97.547% of electricity used self generated
The remaining 2.453% was a single EV home charge.

Re: Sept 2021 PV Generation
Posted: Thu Sep 30, 2021 11:34 am
by Fintray
Thought you were jumping the gun there but with today's weather outlook not likely to be generating much anyway.

Re: Sept 2021 PV Generation
Posted: Thu Sep 30, 2021 2:30 pm
by Joeboy
Fintray wrote: ↑Thu Sep 30, 2021 11:34 am
Thought you were jumping the gun there but with today's weather outlook not likely to be generating much anyway.
Absolutely my thought this morning Iain. Battery is sitting at 35% so hoping for another low grid month as a few weeks out in Turkey.
Re: Sept 2021 PV Generation
Posted: Thu Sep 30, 2021 3:27 pm
by Stinsy
Joeboy wrote: ↑Thu Sep 30, 2021 2:30 pm
Fintray wrote: ↑Thu Sep 30, 2021 11:34 am
Thought you were jumping the gun there but with today's weather outlook not likely to be generating much anyway.
Absolutely my thought this morning Iain. Battery is sitting at 35% so hoping for another low grid month as a few weeks out in Turkey.
How much does your house use while you're away?
I guess there is a lot for the storage heaters/DHW even on dullish days...
Re: Sept 2021 PV Generation
Posted: Thu Sep 30, 2021 4:02 pm
by Joeboy
Stinsy wrote: ↑Thu Sep 30, 2021 3:27 pm
Joeboy wrote: ↑Thu Sep 30, 2021 2:30 pm
Fintray wrote: ↑Thu Sep 30, 2021 11:34 am
Thought you were jumping the gun there but with today's weather outlook not likely to be generating much anyway.
Absolutely my thought this morning Iain. Battery is sitting at 35% so hoping for another low grid month as a few weeks out in Turkey.
How much does your house use while you're away?
I guess there is a lot for the storage heaters/DHW even on dullish days...
I think the average is around 90-120 kW per hour. Although we give our son free reign in our absence. Washing machine TD , cooking etc He lives close by and I like to spread the RE quality!
We holiday mode the prop so all CH & HWT is off but I'll charge EV, HWT and laterally home as we progress towards return and PV. This we do via Hive. Also have a resistive heater on standby in bedroom via Hive plug for our return. Switch on at 2am when landing in Edinburgh and crash out in the heat on arrival.

Re: Sept 2021 PV Generation
Posted: Fri Oct 01, 2021 11:32 am
by Fintray
My results for September were:
3.87 kWp, slope 50 degrees, due south, lat 57.15
Total generation: 323.7kWh
Daily average: 10.8kWh
Generation per kWp: 83.6kWh
Daily average per kWp: 2.8kWh
PVGIS: 286kWh
%PVGIS: 113%