Solar options for home in 2022

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74 posts

Master Geek
+1 received by user: 15

#3457836 2-Feb-2026 09:30

Hah fair enough.

Installed near East Auckland with Planet Electrical.

Paid about 30,000, 1/3rd was just the battery.

SigEnergy system with a gateway, Trina Vertex S+ solar panels 440W.

That sounds a lil rough mate - I understand wholesale cost of the newer SigenStor BAT 10.0 is just under $5K +GST (to your installer)

Out of interest, why'd you go for the Gateway? In a spotty supply area?

Sinuation

151 posts

Master Geek
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#3457908 2-Feb-2026 10:32

dukezoid:

Hah fair enough.

Installed near East Auckland with Planet Electrical.

Paid about 30,000, 1/3rd was just the battery.

SigEnergy system with a gateway, Trina Vertex S+ solar panels 440W.

That sounds a lil rough mate - I understand wholesale cost of the newer SigenStor BAT 10.0 is just under $5K +GST (to your installer)

Out of interest, why'd you go for the Gateway? In a spotty supply area?

I figured I might aswell have the gateway since I plan to get more batteries in the future.

And yeah, not that the supply is spotty, more like whenever it rains drivers magnetize to the pole delivering power. Last time somehow hit the transformer outside when it was raining particularly bad and knocked out power for the street pretty much.

CYaBro

4708 posts

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#3457914 2-Feb-2026 10:55

Thanks Network Waitaki! 🥳

Opinions are my own and not the views of my employer.

s.joseph

606 posts

Ultimate Geek
+1 received by user: 24

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#3458071 2-Feb-2026 13:53

Ive just been around an got multiple quotes for an install based in Auckland,

The winning one looks like :

12.2kw of Jinko panels

SigEnenergy 10kw Inverter

SigenStor 10 SP Battery

Just under $28k

Looks like a good offer? Ive been to about 5 different vendors so far and they were the best in terms of price and quality.

joemate

59 posts

Master Geek
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#3458086 2-Feb-2026 15:18

2025 Stats:

System Size (kW): 6.970 kWp
Inverter Size (kW): 5

Total Consumption (kW/h): 11,390.590
Energy From Grid (kW/h): 7,072.590

Total Production (kW/h): 7,439.570
Energy to Grid (kW/h): 3,328.820

Consumed Directly (kW/h): 4,110.750
Own Consumption %: 55.26
Self Sufficiency %: 36.09

*Note: I am on the Good Nights contract with Contact, meaning that between 21-00 I am maxing out the import charging the 10kW battery, heating the HWC, preheating the house for the night, etc.

CYaBro

4708 posts

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#3458091 2-Feb-2026 15:47

dukezoid:

That sounds a lil rough mate - I understand wholesale cost of the newer SigenStor BAT 10.0 is just under $5K +GST (to your installer)

Out of interest, why'd you go for the Gateway? In a spotty supply area?

Wow, I was just quoted $6,442.95 +gst for one of the those new batteries. (Not including labour, travel etc, just the battery)

That's a nice mark-up for the installer.

Opinions are my own and not the views of my employer.

Sinuation

151 posts

Master Geek
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#3458111 2-Feb-2026 16:56

CYaBro:

Sinuation:

dukezoid:

Hah fair enough.

Installed near East Auckland with Planet Electrical.

Paid about 30,000, 1/3rd was just the battery.

SigEnergy system with a gateway, Trina Vertex S+ solar panels 440W.

That sounds a lil rough mate - I understand wholesale cost of the newer SigenStor BAT 10.0 is just under $5K +GST (to your installer)

Out of interest, why'd you go for the Gateway? In a spotty supply area?

I figured I might aswell have the gateway since I plan to get more batteries in the future.

And yeah, not that the supply is spotty, more like whenever it rains drivers magnetize to the pole delivering power. Last time somehow hit the transformer outside when it was raining particularly bad and knocked out power for the street pretty much.

Wow, I was just quoted $6,442.95 +gst for one of the those new batteries. (Not including labour, travel etc, just the battery)

That's a nice mark-up for the installer.

I imagine it was 10k due to gateway + battery maybe? Without either it was around 20k.

CYaBro

4708 posts

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#3458113 2-Feb-2026 17:03

Sorry @Sinuation, my reply wasn't meant for you! Have edited my post now.

Opinions are my own and not the views of my employer.

ashtonaut

631 posts

Ultimate Geek
+1 received by user: 120

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#3458115 2-Feb-2026 17:14

s.joseph:

Ive just been around an got multiple quotes for an install based in Auckland,

The winning one looks like :

12.2kw of Jinko panels

SigEnenergy 10kw Inverter

SigenStor 10 SP Battery

Just under $28k

Looks like a good offer? Ive been to about 5 different vendors so far and they were the best in terms of price and quality.

That’s a good price. I’m very similar in Chch, I also shopped around and this was the best deal for me:

12.6kW 450W AESolar panels
10kWh Sigenergy battery
Sigenergy SP gateway
10kW Sigenergy SP inverter

$28k including install

Stu1

1892 posts

Uber Geek
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Subscriber

#3458121 2-Feb-2026 17:56

CYaBro:

dukezoid:

That sounds a lil rough mate - I understand wholesale cost of the newer SigenStor BAT 10.0 is just under $5K +GST (to your installer)

Out of interest, why'd you go for the Gateway? In a spotty supply area?

Wow, I was just quoted $6,442.95 +gst for one of the those new batteries. (Not including labour, travel etc, just the battery)

That's a nice mark-up for the installer.

I’ve seen a post on Facebook $4800 at ideal electrical for the 10k sig energy battery massive mark up

dukezoid

74 posts

Master Geek
+1 received by user: 15

#3458123 2-Feb-2026 18:20

ashtonaut:

s.joseph:

Ive just been around an got multiple quotes for an install based in Auckland,

The winning one looks like :

12.2kw of Jinko panels

SigEnenergy 10kw Inverter

SigenStor 10 SP Battery

Just under $28k

Looks like a good offer? Ive been to about 5 different vendors so far and they were the best in terms of price and quality.

That’s a good price. I’m very similar in Chch, I also shopped around and this was the best deal for me:

12.6kW 450W AESolar panels
10kWh Sigenergy battery
Sigenergy SP gateway
10kW Sigenergy SP inverter
$28k including install

Provided roof area (and shading), oh and budget, allows would suggest more panels. Winter production will be significantly less than max. Not to mention (increasingly?) cloudy / precipitous summer days. Sigenstor EC can accept 200% PV

dantheperson

226 posts

Master Geek
+1 received by user: 63

#3458125 2-Feb-2026 19:00

ashtonaut:

s.joseph:

Ive just been around an got multiple quotes for an install based in Auckland,

The winning one looks like :

12.2kw of Jinko panels

SigEnenergy 10kw Inverter

SigenStor 10 SP Battery

Just under $28k

Looks like a good offer? Ive been to about 5 different vendors so far and they were the best in terms of price and quality.

That’s a good price. I’m very similar in Chch, I also shopped around and this was the best deal for me:

12.6kW 450W AESolar panels
10kWh Sigenergy battery
Sigenergy SP gateway
10kW Sigenergy SP inverter
$28k including install

Seems reasonable prices. But who wants to be a Guinea pig and report back on the tradedepot experience? They have a Akl and Chc stores.

10kWp panels Canadian Solar (22x460W)
10kW inverter
20kWh battery
26K installed
https://tradedepot.co.nz/22-panel-home-solar-system-10kw-inverter-20kwh-battery-installation_908720/

cddt

1972 posts

Uber Geek
+1 received by user: 1905

#3458129 2-Feb-2026 20:02

dantheperson:

Seems reasonable prices. But who wants to be a Guinea pig and report back on the tradedepot experience? They have a Akl and Chc stores.

10kWp panels Canadian Solar (22x460W)
10kW inverter
20kWh battery
26K installed
https://tradedepot.co.nz/22-panel-home-solar-system-10kw-inverter-20kwh-battery-installation_908720/

"The installation price of $6000 is an estimate only, and a site visit may be required to determine the final quote."

richms

29104 posts

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#3458130 2-Feb-2026 20:09

dantheperson:

Seems reasonable prices. But who wants to be a Guinea pig and report back on the tradedepot experience? They have a Akl and Chc stores.

10kWp panels Canadian Solar (22x460W)
10kW inverter
20kWh battery
26K installed
https://tradedepot.co.nz/22-panel-home-solar-system-10kw-inverter-20kwh-battery-installation_908720/

https://tradedepot.co.nz/22-panel-home-solar-system-10kw-inverter-1p-20kwh-battery/ is this the same nut without install?

Richard rich.ms

dantheperson

226 posts

Master Geek
+1 received by user: 63

#3458136 2-Feb-2026 21:29

richms:

dantheperson:

Seems reasonable prices. But who wants to be a Guinea pig and report back on the tradedepot experience? They have a Akl and Chc stores.

10kWp panels Canadian Solar (22x460W)
10kW inverter
20kWh battery
26K installed
https://tradedepot.co.nz/22-panel-home-solar-system-10kw-inverter-20kwh-battery-installation_908720/

https://tradedepot.co.nz/22-panel-home-solar-system-10kw-inverter-1p-20kwh-battery/ is this the same nut without install?

More or less, that one is the 1 phase inverter. The 3 phase is $500 more https://tradedepot.co.nz/22-panel-home-solar-system-10kw-inverter-20kwh-battery/

Though that means they are adding 8K for the install. Probably cut-n-paste the 6K allowance as they have the same text on smaller systems.

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