100kW Solar System | Commercial Solar | Infinite Energy

100kW Commercial Solar PV System

For a business that is more energy intensive, for example a manufacturing facility or a large office building, a 100kW commercial solar PV system may be suitable.

Quick Overview:


Average cost:

$130,000 – $200,000


Number of panels:

380 – 410

Power generated:

430 – 480 units per day


How much can I save?

$30,000 – $40,000 annually

Average payback period:

3 to 5 years


Suited to:

Businesses with a high energy usage, who receive annual bills of around $47,000.

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100kW commercial PV Solar System 100kW commercial PV Solar system 100kW commercial PV Solar system


How much does a 100kW commercial solar PV system cost?

A 100kW solar PV system is comprised of quality components made up of solar PV panels and a solar inverter. These costs can be anywhere between $130,000 – $200,000 and will depend on the brands you select for your solar system.

How big is a 100kW commercial solar PV system?

A 100kW solar system has around 380 to 410 PV panels. Each panel measures around 1.6m x 1m, so you’ll need at least 656m2 of roof space. A size comparison of commercial solar systems can be viewed here.

How much power does a 100kW commercial solar PV system generate?

On average, a 100kW commercial solar power system generates 430 to 480 units per day. For a large manufacturing facility like Diab Engineering, this covers 30% of their electricity consumption.

How much can a 100kW commercial solar PV system save me?

How much money you get back from your solar system will depend on how much electricity you’re able to utilise at your business. Operating at 85% utilisation, Dobbie’s 100Kw solar PV system will save them $37,500 annually.
If you’re able to utilise even more of the solar energy your system generates, this figure could be even higher.

What’s the average payback period of a 100kW commercial solar PV system?

A good quality 100kW solar system will deliver a full return on investment within 3 to 5 years.
Plus, by taking advantage of one of Infinite Energy’s many finance options, like Solar Leasing, you can remain cash flow positive from day one.

What kind of business does a 100kW commercial solar PV system suit best?

This system’s great for large manufacturing facilities and organisations with high energy usage. We’ve installed 100kW systems at Gilmac, a premier exporter of Australian hay and straw located in York; Universal Seafoods, an importer, exporter, distributor and wholesaler of high quality seafood supplies in Canning Vale; and RAC WA in West Perth, to name just a few.

To find out if a 100kW commercial solar power system is the right fit for your business, request a callback with one of our expert energy consultants.

To arrange a no obligation consultation at your home or office:

Partners & Sponsorships

Approved RetailerClean Energy Council
Authorised ResellerTesla Energy
Premier PartnerSunpower

Brands We Carry

ABB Fronius SOLAREDGE SunPower Midea Apricus SMA

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