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Off-Grid Solar Western Australia

Off-Grid Solar Solutions Across Western Australia

GES Energy is a solar EPC company that specialises in the supply, design and installation off-grid solar systems for clients in WA, including those who reside in isolated areas without grid access. Our off-grid solar installers are in-house experts and certified by the Clean Energy Council (CEC), so you can rest assured that your system will be installed the right way.

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ground-mounted solar power system

Why Off-Grid?

One of the biggest benefits of a comprehensive off-grid solution is lowered energy costs, as utility companies typically charge excessive grid connection fees for consumers who are situated in remote locations.


If your building isn't connected to a power grid, an off-grid solution is the best choice for you. It's also an ideal solution if you want to cut off a connection from an energy network. They are perfect for worksites and remote areas, especially if you use diesel fuel to keep your business going.


Other reasons for installing an off-grid system include:

  • Avoid power outages
  • Reduction in diesel generation usage and costs
  • No expensive grid connection charges
  • Scalable up to 76 kW (IEC) or 61kW (UL)

Off-Grid Solutions

GES Energy offers a comprehensive range of off-grid power systems for many different types of applications, from small homes to large commercial buildings and agricultural operations.


Our off-grid solar energy systems are flexible and can be scaled to align with changing energy requirements.

Off-Grid Power System

1. Small House Off-Grid Model (3-5kW)

  • Live-in shed
  • Workshop
  • Hobby room
  • Lodges
  • Non-permanent dwelling

This system is a fantastic option for small houses, live-in sheds, and non-permanent dwellings, among others. It includes solar panels, racking systems, solar batteries, and an inverter charge controller, all combined in a plug-and-play system ready to be installed by our CEC Accredited Installers. The capacity of this system varies between 3-5kW.

2. Medium Home Off-Grid System (6-10kW)

  • Weekend homes
  • Small holidays homes
  • Small home with two people

The Medium Home Off-Grid System is the ideal option for small holiday homes and weekend homes, as well as small houses with two occupants. This system’s capacity varies between 6-10kW and includes solar panels, racking options, solar battery systems, and an inverter charge controller, all combined in a plug-and-play system ready for installation by our CEC Accredited Installers. 

3. Large Home Off-Grid System (18-32kW)

  • Houses
  • Stations
  • Farms houses
  • Small businesses

This system is the most popular off-grid solution among consumers. It is best suited for standard three or four-bedroom homes, small businesses, farms, and stations. With a capacity that varies between 18-32kW, this system includes solar panels, racking options, solar energy storage systems, and an inverter charger controller, all combined in a plug-and-play system ready for installation by our CEC Accredited Installers.

4. Commercial Off-Grid System (starts from 40kW)

  • Large houses and properties
  • Agriculture businesses
  • EV charging stations
  • Commercial entities
  • Clinics
  • Offices

The Commercial Off-Grid System gives organisations without access to the grid the ability to use electricity, save on diesel generator costs, and achieve energy independence. It’s perfect for offices, clinics, telecoms, agriculture businesses, cottage industries, retail companies, and other commercial entities.


Off-grid solutions with battery storage offer numerous advantages to remote businesses, particularly those in regional Western Australia. GES Energy designs and installs larger-scale off-grid solar energy systems according to your energy use and needs. This system begins with a storage capacity of 40 kWh.

Portable Off-Grid Solar

GES Energy also provides an extensive selection of portable off-grid solar generators that are excellent for a variety of applications, including rural electrification, mobile worksites, base camps, telecommunications, agriculture, mining, and more. If you are looking for a portable off-grid solution, we have plenty for you to choose from.

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GES Energy Off-Grid Solar System Packages with Batteries

GES Energy offers premium off-grid solar packages that are backed with great warranties. The packages are custom made by our CEC qualified off-grid installers and consist of premium quality products.

Premium Off-Grid

Package #1

(Starts at $20k)

If you’re on the market for a highly capable off-grid system that consists of premium quality Australian-made products and components, then our Premium Off-Grid Package #1 is for you. This package includes x1 DC inverter (Selectronic SP Pro), x1 AC inverter (Fronius), and x1 9.9 kW PowerPlus Energy Lithium.

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Premium Off-Grid

Package #2

(Starts at $18k)

Need a system that can adequately meet your off-grid power needs? Perhaps our Premium Off-Grid Package #2 is what you’re looking for. This package includes x1 SMA Sunny Island hybrid inverter and 1x SMA grid-inverter, both are German-made products that are backed with a 10-year warranty.

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Premium Off-Grid

Package #3

(Starts at $17k)

If you need an off-grid solar package that is relatively budget friendly but also very reliable, look no further than our Premium Off-Grid Package #3. This package starts at $17,000 and includes x1 Ingeteam inverter (10-year warranty) and Hyundai solar modules (25-year warranty).

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Premium Off-Grid

Package #4

(Starts at $15k)

The Premium Off-Grid Package #4 is our most affordable premium off-grid solar package. It’s the perfect option for those who are looking for a complete off-grid solution without burning a hole in their pockets. This package includes one of the best all-in-one hybrid inverters on the market - the Steca Solarix PL15000-48.

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We serve all of Western Australia and have CEC-certified off-grid solar installers in the following areas:

GES Energy are WA's Trusted Specialists in the Design, Supply, Installation and Maintenance of Off-Grid Standalone Power Systems

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