Since then, you may have added new equipment, increased production, expanded your premises or simply started operating for longer hours. 

Now your electricity bills are rising again. 

So, what happens when your business grows beyond the capacity of its existing solar system? 

The answer is not always “install more panels”. First, you need to understand why your energy demand has changed.

How Does a Business Outgrow Solar?

Business growth can happen gradually. 

You might: 

• Add new machinery 
• Expand production 
• Increase operating hours 
• Move into additional space 
• Install EV chargers 
• Add refrigeration or cooling equipment 
• Increase the number of employees and workstations 

Each change can increase electricity consumption.

A solar system that worked well several years ago may therefore no longer match the business’s current energy profile.

Look at Your Current Energy Usage First

Before upgrading, review your electricity consumption. 

Compare your current bills with the period when the solar system was first installed. Look for changes in: 

• Total electricity consumption 
• Daytime energy use 
• Peak demand 
• Operating hours 
• Major electrical loads 
• Seasonal energy requirements 

This can help determine whether the issue is genuinely insufficient solar capacity or simply a change in how the business uses electricity.

Could You Add More Solar?

In some cases, expanding solar generation may be an option. 

However, the existing system, roof space, electrical infrastructure and connection requirements need to be assessed first. 

There may also be practical limits on how much additional solar can be added to the site. This is why a system assessment should come before deciding on an upgrade.

What About Battery Storage?

If your business has substantial electricity demand outside strong solar generation periods, battery storage may also be worth considering. 

A battery can store available solar energy for later use, depending on the system design and business requirements. 

For some businesses, the better solution may involve a combination of additional solar generation and battery storage rather than simply increasing panel capacity.

Plan for the Next Stage of Growth

The next upgrade should not only solve today’s energy problem. 

Think about what your business could look like in the next few years. 

Are you planning another production increase? New equipment? Longer operating hours? More EV charging? 

Including these plans in your energy assessment can help create a more suitable commercial solar strategy.

Common Questions Businesses Ask

1. Can an existing commercial solar system be expanded?
Potentially. The feasibility depends on the existing system, available roof space, electrical infrastructure, equipment and other technical requirements.

2. Should a business add more panels when electricity demand increases?
Not necessarily. The right approach depends on how and when the additional electricity is being used.

3. Can a battery help an expanding business?
It may. Battery storage can provide another way to use solar energy when generation and consumption do not occur at the same time.

What Victorian Businesses Should Consider?

If your business has grown since installing solar, do not assume the existing system is no longer useful. 

Start by reviewing current electricity consumption and comparing it with your original energy requirements. 

A professional assessment can then help identify whether the next step should involve additional solar, battery storage, system changes or simply better energy management.

Key Takeaways

✔ Business growth can increase electricity demand.
✔ An existing solar system may eventually become too small for changing requirements.
✔ Review current energy usage before upgrading.
✔ Roof space and electrical infrastructure can affect expansion options.
✔ Battery storage may complement additional solar.
✔ Future business growth should be included in upgrade planning.

When Your Business Grows, Your Energy Strategy May Need to Grow Too?

Your solar system was designed for the business you had at the time. 

If the business has changed, it may be time to review whether your energy system still matches the way you operate. 

For a tailored commercial solar assessment, talk to our expert by calling Prosolar Global on 1300 181 191.