Commercial Solar

Solar Sized To What You Actually Use

Systems designed around your interval data, not your roof size. For Melbourne businesses, owners corporations and property managers looking to cut daytime consumption and peak demand charges.

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Commercial solar works best where a business consumes what it generates, which is why daytime-trading premises see the strongest returns - solar output and business load peak at the same time. We design systems around your actual interval data rather than roof area, so the system is sized to self-consumption rather than to exporting at low feed-in rates. Also available for owners corporations on common property.

What We Offer

Commercial Solar Features

Interval Data Design

We size the system from your actual half-hourly consumption, so generation matches load rather than exporting at low feed-in rates.

Peak Demand Reduction

Commercial tariffs charge on peak demand as well as consumption. Solar, and where it stacks up storage, shaves the peaks that drive that charge.

Three-Phase Systems

Three-phase inverters with balanced phase loading, and distribution board works where the existing switchboard needs to accommodate the connection.

Common Property Systems

Solar for owners corporations offsetting common-property load - lifts, carpark lighting, ventilation and pumps - with the metering configured correctly.

Monitoring & Reporting

Generation, consumption and export reporting so the business case can be checked against reality rather than taken on faith.

Ongoing Maintenance

Panel cleaning, inverter servicing, string testing and performance review, available as part of a scheduled maintenance agreement.

Where It Works

Where Commercial Solar Pays Back Fastest

The economics turn on one thing: how much of your load sits in daylight hours. These are the profiles where it stacks up hardest.

Daytime Trading Retail

Lighting, refrigeration, HVAC and point-of-sale running through the middle of the day. Generation and load line up almost exactly, so most of what's produced is consumed on site.

Medical & Dental Practices

Consulting hours are daylight hours, and the load is steady rather than spiky - imaging, sterilisation, HVAC and lighting. Predictable consumption makes the modelling reliable.

Owners Corporations

Common-property load runs continuously and is billed to the body corporate. Lifts, carpark lighting, ventilation and pumps make a stable daytime base load to offset.

Cafés & Kitchens

Heavy refrigeration and extraction load through trading hours. High consumption in daylight is exactly the profile solar suits, though switchboard capacity often needs checking first.

Considerations

What We Check Before Quoting

Four things decide whether a commercial system is worth installing, and all four are checked before you get a price.

Interval Data

Half-hourly consumption from your retailer shows how much load actually sits in daylight. Without it, any system size is guesswork dressed up as a proposal.

Tariff Structure

Demand charges, time-of-use rates and the feed-in rate you'd actually receive. These change the answer more than panel pricing does.

Switchboard Capacity

Whether the existing main switchboard can accommodate the inverter connection, or whether distribution board works need to be part of the scope.

Export Limits

Distributors frequently cap how much a commercial site may export, which affects system sizing. We confirm the limit before design rather than after approval.

Our Process

How It Works

Data & Feasibility

We pull your interval data and tariff structure, assess roof or carpark structure and available switchboard capacity, and model what is genuinely achievable.

System Design

A design sized to self-consumption with a modelled payback, including STC entitlement and any distributor export limit that applies.

Approvals & Install

Distributor connection application, structural sign-off where required, then installation scheduled around your trading hours.

Commissioning & Handover

Testing, metering configuration, monitoring set up, and the compliance and warranty documentation for your records.

FAQ

Frequently Asked Questions

What size commercial solar system will we need?

It comes from your interval data rather than your roof. We look at your half-hourly consumption to find how much load sits in daylight hours, then size the system to cover that rather than to fill the roof. Exporting to the grid earns very little under current feed-in rates, so a system sized to self-consumption almost always pays back faster than a larger one.

How does commercial solar affect peak demand charges?

Most commercial tariffs bill on peak demand - the highest half-hour of usage in the period - as well as total consumption. If your demand peak falls in daylight hours, solar reduces it directly. If it falls in the evening, solar alone won't help and a battery sized to shave that peak is what makes the difference. We check which applies before recommending either.

Can an owners corporation install solar on common property?

Yes. Common-property solar offsets common-property load - lifts, carpark and corridor lighting, ventilation, pumps and hot water - which is billed to the owners corporation and usually runs day and night. It typically requires a resolution at general meeting, so we quote in a form that can be tabled, and configure metering so the generation offsets the common-property account correctly.

What rebates apply to commercial solar?

Systems up to 100kW attract Small-scale Technology Certificates, which are applied as an upfront discount on the quoted price. Above 100kW, systems generate Large-scale Generation Certificates instead, which work differently and are handled as ongoing revenue rather than an upfront discount. The Victorian Solar Homes rebate is a residential programme and does not apply to commercial installations.

Will installation disrupt trading?

Most of the work happens on the roof and doesn't affect the premises below. The exception is the switchboard connection and commissioning, which requires a short shutdown - usually a few hours - and we schedule that outside trading hours or during a planned closure.

Related Services

Send Us Twelve Months of Bills

That's all we need to model whether commercial solar stacks up for your site, and at what size. Fully insured to $20 million, SWMS and induction ready.

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