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Is my property suitable for a solar PV system?

The short answer is: Usually YES!

The suitability of a solar PV system depends on several key factors:

Roof Characteristics:‍

Orientation: Ideally north, northeast, or northwest-facing
Sufficient unobstructed space
In good condition to support panel weight

‍Sunlight Exposure: ‍

Minimal shading from trees or nearby structures

Electrical System:

Current setup able to accommodate solar integration

Can I get solar if I live in a unit?

Yes, it's possible to get solar power for units or apartments, but there are specific considerations.

Options include shared solar systems on the common roof to power common areas (reducing strata levies) or a single system shared among multiple units.

In some cases, individual systems can be installed for each unit, but this requires fair allocation of roof space and may result in smaller systems per unit.

Before proceeding, you'll need approval from fellow owners and the owners' corporation (or strata). We can assist you in presenting a proposal to your strata and make solar a reality for you.

How much electricity will my solar PV system generate?

The electricity generated by your solar power system depends on several factors:

Sunlight Exposure
System Size
Panel Efficiency
Orientation and Tilt
Shading
Temperature

As a rough estimate, 1kW of solar PV typically generates about 1,450kWh of electricity annually when installed. Daily generation varies significantly based on season and weather conditions, ranging from less than 1kWh on a dark, rainy day to 8kWh on a cool, late spring day.

How do solar panels perform on cloudy days?

On cloudy days, solar panels can still generate electricity, but their efficiency is reduced.

Solar panels typically produce between 10% to 25% of their normal power output on cloudy days, depending on the thickness of the cloud coverage. Even when clouds block direct sunlight, solar panels can use diffuse light to generate power, albeit at a lower rate.

Do solar PV systems require maintenance?

Yes, solar panels require minimal maintenance to ensure optimal performance.

It is recommended to clean them once a year, especially if dirt or debris obstructs sunlight. Regular inspections, ideally every two years for small systems and annually for commercial systems, can help identify any issues.

Signs that maintenance may be needed include a drop in power output or visible obstructions on the panels.

Overall, with proper care, solar panels can operate efficiently and have a long lifespan.

Can I go off-grid?

Yes, you can go off-grid with a solar power system, but it requires careful planning and design. An off-grid setup typically includes solar panels, energy storage batteries, and possibly a backup generator to ensure a reliable power supply.

Accurate load profiling is essential to size the system according to your energy needs. It's crucial to work with experienced professionals for installation and to consider your location's suitability for solar energy.

However, off-grid systems are mostly advisable where a grid connection is not achievable.
If you have a system (Solar panels & battery) where you seldom require energy from the grid and try to minimize your energy bill, selecting an energy provider with the lowest daily charge may be a better option.

How much can I save on electricity bills with a solar PV system?

As a general rule, you can expect to save up to $400 per year for each kW of solar capacity installed.

For example, a 5kW system could potentially save you around $2,000 annually, while larger systems like 10kW could save up to $4,380 per year.

The exact savings depend on factors such as your location, system size, energy consumption patterns, and local electricity rates. With current technology and prices, many homeowners can see a return on their solar investment within three to five years.

How much should I expect to pay for a solar PV system?

For residential systems, prices typically range from approximately $1,300 to $700 per kW.

Commercial systems tend to be more expensive, ranging from $1,500 to $900 per kW.

These prices generally include government rebates and GST, but actual costs can vary based on system size, location, roof type, accessibility and technology. This cost does not include batteries.

Are there government rebates for solar PV systems? Am I eligible?

For residential and commercial systems up to 100kW, the government provides Small-scale Technology Certificates (STCs) which act as discount vouchers on your quote.

There are different schemes for larger commercial systems, contact us for more information.

To qualify, the system must be a small-scale renewable energy system (such as rooftop solar panels) installed by an accredited professional like SOLAI. It must comply with relevant standards, be registered, and be capable of generating renewable energy for over 15 years.

The scheme is open to homeowners and small businesses for new installations, reducing each year until 2030.
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The best time to buy a solar system was in 2020. The second best time is today.

What are my options for funding a solar PV system?

Funding options for solar PV systems include:

Cash payment: Most cost-effective in the long run if funds are available.
Green loans: Personal loans for eco-friendly purchases, often with lower interest rates.
Standard personal loans: Shop around for competitive rates.
Mortgage addition: Potentially add solar panel costs to your existing mortgage.
Power Purchase Agreements (PPAs): For commercial systems, pay for electricity generated over time with no upfront cost.

We can assist you in exploring these financing options, if needed.

How long is the lifecycle of a solar PV systems?

Solar PV systems typically have a lifespan of about 25 years, with solar panels backed by 25-year performance manufacturers' warranties.
Panels generally degrade at a rate of about 0.5% per year, meaning they can still operate at around 85% of their original capacity after 25 years.

Inverters, however, usually have a shorter lifespan of 10 to 15 years and may need replacement during the system's lifetime.

The longevity of the system can be influenced by the quality of components, installation, environmental conditions, and maintenance. While systems may continue to generate electricity beyond 30 years, their efficiency will gradually decline over time. Regular maintenance and high-quality components can help extend the system's lifespan and performance.

Realistically, just like a new car, expect your solar system to last 15 years. After that period, you may want to consider replacing it with a new system rather than spending money to maintain a less efficient system.

I am interested in a solar installation, what are the next steps?

We make the process simple. To get started, just fill out the contact form below, and we will handle the rest.

Our team will design a solar system tailored to your building and may reach out for any additional information if needed.

Once you approve the design proposal, we will schedule an installation date, typically within 2-4 weeks.

We will also contact your electricity retailer to inform them of your solar installation; they may need to visit your property to upgrade your meter at no extra cost to you. Additionally, we will register the system with the relevant authorities on your behalf.

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