Solar options for home in 2022

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10 posts

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#3384636 16-Jun-2025 10:25

Ge0rge:

richms:

Does this mean that we will hopefully see the 5kW export limits for a single phase install be improved or removed? If not, don't care.

The new standard allows for inverters, including aggregate, up to 10kVA - however the export limit in the standard still states 5kW.

I

oh what!?, well that's stupid, I read it like they were up'ing the limit to 10kw export, oh well....

kiwifidget

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#3384809 16-Jun-2025 17:55

@jase2985 thanks for explaining that.

I'm not sure we've hit that limit since installing.

Maybe this summer.

Right now we are exporting very little, most days not at all.

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MadEngineer

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#3384833 16-Jun-2025 18:48

What inverter do you have and how many panels?

You're not on Atlantis anymore, Duncan Idaho.

kiwifidget

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#3384838 16-Jun-2025 18:53

MadEngineer:

What inverter do you have and how many panels?

Moi? 42 panels and a Powerwall3 10kW.

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timmmay

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#3384851 16-Jun-2025 19:20

We did ok today. 21 panels in Wellington, 26kwh generated, 12kwh exported, but we'll use about 50kwh. I expect in summer we'll not have much of a bill, but in winter it's just a bit of a reduction of the bill maybe 20% at a guess.

Stu1

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#3384854 16-Jun-2025 19:30

timmmay:

We did ok today. 21 panels in Wellington, 26kwh generated, 12kwh exported, but we'll use about 50kwh. I expect in summer we'll not have much of a bill, but in winter it's just a bit of a reduction of the bill maybe 20% at a guess.

That’s pretty good I only got 10.84 today tough day in Upper Hutt

compound

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Master Geek
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#3384862 16-Jun-2025 20:04

Sunny day for me I guess. 40.083kWh today, 31 panels. 23kWh consumed and 23 kWh imported thanks to being a 3 phase system.

Stu1

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#3384878 16-Jun-2025 21:08

compound:

Sunny day for me I guess. 40.083kWh today, 31 panels. 23kWh consumed and 23 kWh imported thanks to being a 3 phase system.

Thats fantastic for winter what are you pulling in summer?

compound

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Master Geek
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#3384883 16-Jun-2025 21:28

Stu1:

compound:

Sunny day for me I guess. 40.083kWh today, 31 panels. 23kWh consumed and 23 kWh imported thanks to being a 3 phase system.

Thats fantastic for winter what are you pulling in summer?

Hit 69kWh in January as a peak with most fine days around 50-65 kWh

MadEngineer

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#3384884 16-Jun-2025 21:30

kiwifidget:

MadEngineer:

What inverter do you have and how many panels?

Moi? 42 panels and a Powerwall3 10kW.

Crickey, that's a bunch of panels, and you're asking if you need more? I've a 10KW inverter with 24 panels, 440W each. Not sure what it can do in summer yet but I've managed to hit a peak of over 8KW in April.

I had to click back quite a few days to get this

You're not on Atlantis anymore, Duncan Idaho.

Stu1

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#3384934 16-Jun-2025 21:55

compound:

Stu1:

compound:

Sunny day for me I guess. 40.083kWh today, 31 panels. 23kWh consumed and 23 kWh imported thanks to being a 3 phase system.

Thats fantastic for winter what are you pulling in summer?

Hit 69kWh in January as a peak with most fine days around 50-65 kWh

i need more power 8.19 kw 18 panels , top is only 29.3 in May , system is only 2 months old but get Solar envy seeing some of the stats on here

timmmay

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#3384936 16-Jun-2025 22:21

I have only a few panels more than you, but only 6kw inverter. I did max 35kwh in May, did 48kwh one day late April right after the system was installed. I reckon around Christmas 60 - 70kwh should be possible, with less power use, so more export.

Jase2985

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#3384993 17-Jun-2025 00:03

timmmay:

I have only a few panels more than you, but only 6kw inverter. I did max 35kwh in May, did 48kwh one day late April right after the system was installed. I reckon around Christmas 60 - 70kwh should be possible, with less power use, so more export.

Think you will pushing to get that on a 6kW inverter.

48kWh is 8h at max output of the inverter, yes it may peak more than 6kW but not that much more. if you have an E/W split it will help hold the max power level a bit longer.

Jase2985

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#3384994 17-Jun-2025 00:07

kiwifidget:

@jase2985 thanks for explaining that.

I'm not sure we've hit that limit since installing.

Maybe this summer.

Right now we are exporting very little, most days not at all.

You dont want to hit the limit, its a bad thing

timmmay

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#3384996 17-Jun-2025 07:20

Jase2985:

Think you will pushing to get that on a 6kW inverter.

48kWh is 8h at max output of the inverter, yes it may peak more than 6kW but not that much more. if you have an E/W split it will help hold the max power level a bit longer.

Yeah it was just a guess, I'll wait and see. We have a North / East split, 9.2kw of panels, inverter peaks at 6.6kw.

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