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Off-Grid System

OffGrid Essentials

A standalone off-grid solar, battery and inverter system engineered for reliable, independent power.

Example loadEveryday household
From$35,200+
Best forFamily homes & holiday homes
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  • WA owned & operated
  • Local WA installation & service team
  • NETCC approved
  • EC 010556
Special*Purchase this package and receive a free Sigenergy 22kW AC EV charger.

Overview

A capable off-grid system with 19 kW of Longi panels and 36.16 kWh of usable Sigenergy storage for around 73.6 kWh of estimated daily production.

Specifications

Solar19 kW (40 × 475W)
Battery36.16 kWh usable
InverterSigenergy 12kW single-phase
Est. daily production73.6 kWh
Backup current60A max, 81.8A peak 10s
Inverter warranty10 years
Battery warranty10 years / 33.29 MWh throughput
Panel warranty25-yr materials, 30-yr output
Estimated output

Key features

• Generator integration
• mySigen app control
• Modular design for future expansion
• VPP-compatible — eligible for the federal battery subsidy scheme
• Extended warranty available

System Design

Solar panels
Inverter & battery
Gateway
  • ✓40 × Longi LR7 X10 475W panels (19 kW)
  • ✓Sigenergy 12kW single-phase inverter/controller
  • ✓Sigenergy gateway (off-grid application)
  • ✓4 × Sigenergy 10.0 battery modules (36.16 kWh usable)

Example load profile

  • Lights: 10–20 × LED lights (9–20W)
  • General powerpoints: TV, stereo, phone chargers
  • Heating/cooling: 2–3 × small split systems (2–3.5kW)
  • Cooking: small dishwasher, small 2–3kW oven, kettle, toaster, standard fridge and freezer, coffee machine
  • Laundry: 2–3kW washing machine (dryers not recommended)
  • Water: 1–2 × 500W small variable-speed water pump only.

Pricing & eligibility

Pricing is indicative only; final system design and price vary with your property and load requirements. Government subsidy estimates are based on STC zone 3 for installations on or before 31/12/26, vary with market price and location, and decrease each calendar year — eligibility is assessed by OffGrid WA. Pricing applies within 100km of Wangara, Perth; rural sites may attract additional travel, logistics and accommodation costs. Groundworks, trenching, concreting and bespoke electrical works are not included. All off-grid systems require a support generator for redundancy during prolonged poor weather; OffGrid WA recommend a 10 kVA diesel generator (240V single-phase).

Recent installs

FAQs

Who is the OffGrid Essentials package best suited to?
Average family homes, sheds and holiday homes with low surge loads.
How much does the OffGrid Essentials package cost?
The OffGrid Essentials package starts from $35,200+. Final pricing depends on your property and load, confirmed after a site assessment. Estimated government subsidy up to $7,334 (STC zone 3; conditions apply).
What's included in the OffGrid Essentials package?
The system includes: 40 × Longi LR7 X10 475W panels (19 kW); Sigenergy 12kW single-phase inverter/controller; Sigenergy gateway (off-grid application); 4 × Sigenergy 10.0 battery modules (36.16 kWh usable). Full installation and support are included.
Do I need a backup generator with an off-grid system?
Yes. All off-grid systems need a support generator for redundancy during prolonged poor weather. We recommend a 10 kVA diesel generator (240V single-phase).
What warranty comes with the OffGrid Essentials?
Warranty cover includes: Inverter warranty — 10 years; Battery warranty — 10 years / 33.29 MWh throughput; Panel warranty — 25-yr materials, 30-yr output.
Get in touch

Enquire about this system

Tell us a little about your property and we’ll be in touch with a tailored quote. No pressure.

08 9206 5000
6/28 Prindiville Drive, Wangara WA 6065
 
 
 
 
 
 
 
  
 
 
 
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 Blake George profile picture 
 
 
 Blake George 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
Really happy with the battery system from Off Grid WA. The whole experience was great from start to finish. The install was neat and professional, the pricing was fair, and the team clearly knew what they were doing. They took the time to explain everything properly and answered all my questions without making anything feel rushed. Customer service was excellent throughout the whole process. I’d definitely recommend Off Grid WA to anyone looking at a battery system in WA.
  
 
  
 
 
 
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 Robin Mc Mahon profile picture 
 
 
 Robin Mc Mahon 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
We couldn’t be happier with the service from Off Grid WA. From the initial consultation through to the final installation, the entire team was professional, knowledgeable, and a pleasure to deal with. They installed our system consisting of 45 solar panels, a 3-phase inverter, and 4 battery units providing a total of 32 kWh of storage, and the quality of workmanship is outstanding. Everything was installed neatly, explained thoroughly, and completed to an exceptionally high standard. The team took the time to answer all of our questions and designed a system that perfectly suits our home’s energy needs. It’s fantastic seeing our solar generation and battery storage working together so efficiently, giving us greater energy independence and significantly reducing our reliance on the grid. Off Grid WA exceeded our expectations in every way. Their communication, attention to detail, and commitment to quality were first-class. If you’re considering a solar and battery system, we would highly recommend Off Grid WA. Investing in this system has been one of the best decisions we’ve made, and we’re grateful to the entire team for making the process so easy and stress-free. R & J Yanchep
  
 
  
 
 
 
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 Craig profile picture 
 
 
 Craig 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
Jason and the team were a pleasure to deal with from start to finish. Incredibly knowledgeable and guided us through every stage. The attention to detail was second to none, even the black solar rail as standard to create a seem less look was a nice touch. A lot more aesthetically pleasing than standard silver.
  
 
  
 
 
 
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 Lee mo profile picture 
 
 
 Lee mo 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
Jason, Tyson and team are amazing. From quote to installation very professional. I would definitely highly recommend them for your solar and battery needs. Very competitive pricing. Great communication from Jason and the girls in the office, Christy and Trish 😊 I give them AAA+++ Thanx soooo much guys 🙂🙂
  
 
  
 
 
 
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 Trampus Nugent profile picture 
 
 
 Trampus Nugent 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
I have to say OffGrid did an awesome job installing our new system.  We got a 16 kw system put in and it definitely suits our needs. Jason was great sorting out the type of system we needed and Tyson and his crew did a great job installing.  I would definitely recommend these guys for your new system.  Thanks again.
  
 
  
 
 
 
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 Eric Isaachsen profile picture 
 
 
 Eric Isaachsen 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
Jason provides excellent information of system and capabilities. Installation efficient, debris and old system fully removed. Assisted after hours when low temperature and days of minimal solar needed attention. eric@toodyay
  
 
  
 
 
 
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 James Wall profile picture 
 
 
 James Wall 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
Highly recommend OffGrid WA, they installed an off grid battery system for my farm - it's been working great! Jason and his team were very professional, and the communication throughout the process has been great. They really spent the time to answer all my questions and help design the best system to meet my needs. Really happy with the service I received, definitely recommend these guys.
  
 
  
 
 
 
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 Andrew Millea profile picture 
 
 
 Andrew Millea 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
I wish we found them first when getting an offgrid battery system. We had been led down the garden path and ripped off by another company,  left with a real mess. We reached out to several very companies that wouldnt touch our job. Until Jason and his very knowledgable team came to the rescue and really saved our skins. We are located in the wheatbelt and 'OffGrid Solar' turned our fortunes around and we couldnt be happier with the equipment and installation.  Cannot recommend these guys enough for an offgrid battery system. Punctual, proffessional and the post installation follow up support is top tier. Dont waste your time with anybody else 👍
  
 
  
 
 
 
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 Darren Cranmer profile picture 
 
 
 Darren Cranmer 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
Wow what an amazing service, the guys done an outstanding job with our new solar and battery package I would certainly recommend Jason and his team for any solar /battery packages
  
 
  
 
 
 
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 Geoff Jansen profile picture 
 
 
 Geoff Jansen 
 
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google. 
These guys went over and above expectations, I couldn’t fault there work.

Enquire today

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