Choosing the correct inverter is a crucial decision in any solar energy system. In Australia – where solar power is thriving – it becomes even more vital to understand the different types of inverters available in the market and their suitability for specific needs. This solar inverter guide provides insights into choosing the best inverter for your solar panels, ensuring maximum performance and efficiency.

Whether you need solar panels in Cranbourne or solar panels on the Gold Coast, Crowlz is here to lend a hand.

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String Inverters

What Are String Inverters?

String inverters are the most commonly used in Australian residential and commercial installations. They convert the output of multiple solar panels (connected in a series or “string”) into usable electricity.

Benefits of String Inverters

• Cost-Effectiveness: Typically the most affordable option, ideal for those on a tight budget.
• Reliability: Known for their durability, designed to withstand various environmental conditions, and come with robust warranties.
• Compatibility: Widely accessible and compatible with most solar panels.
• Standardisation: Easy maintenance and servicing due to widespread use in the industry.

Drawbacks of String Inverters

• Performance Dependency: The overall performance is dependent on the weakest panel in the string.
• Limited Monitoring: Often have limited monitoring capabilities, making it challenging to detect and troubleshoot individual panel issues.

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Optimised Inverters

What Are Optimised Inverters?

SolarEdge inverters are engineered for complete panel optimisation, with each solar panel equipped with a dedicated power optimiser. This ensures optimal performance without being constrained by the output of less productive panels.

Benefits of Optimised Inverters

• Maximum Energy Production: Each panel operates at peak efficiency, even in partially shaded or mismatched conditions.
• Enhanced Safety: Power optimisers reduce panel voltage during inactive periods or emergencies.
• Individual Panel Monitoring: Allows for quick identification of performance issues.

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String Inverter with Partial Optimisation

Combining Technologies

A string inverter can achieve some benefits of panel-level optimisation by integrating retrofit solutions like Tigo’s optimisers. These can be installed partially or across the entire array, providing a solution to optimise individual panels affected by shading.

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Microinverters

What Are Microinverters?

Microinverters are installed on each solar panel, converting DC to AC at the panel level. This setup is instrumental when shading or panel-level monitoring is essential.

Benefits of Microinverters

• Panel-Level Performance: Each panel functions independently, eliminating performance issues due to shading or panel faults.
• Enhanced Monitoring: Advanced monitoring capabilities enable real-time tracking of each panel’s performance.

Drawbacks of Microinverters

• Higher Cost: More expensive than string inverters due to multiple units.
• Installation Complexity: A dedicated microinverter for each panel is required, making the installation process more complex.

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Hybrid Inverters

What Are Hybrid Inverters?

Hybrid inverters convert DC power from solar panels into AC power and incorporate built-in battery management capabilities, allowing control over the charging and discharging of compatible batteries.

Benefits of Hybrid Inverters

• Stored Solar Power: Utilises excess electricity by storing it in batteries for later use.
• Additional Solar Panels: Many hybrids allow additional PV to maximise inverter output and battery charging.
• Backup Power: Provides backup power during outages by switching to battery backup.
• Advanced Energy Management: Equipped with energy management systems to monitor and optimise energy consumption.

Drawbacks of Hybrid Inverters

• Higher Cost: More expensive than standard inverters.
• Potential Obsolescence: Risk of hybrid becoming obsolete relative to new battery options if a battery is added years later.

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Making the Right Choice

Selecting the best inverter for solar is crucial for maximising the performance and efficiency of your solar energy system. Contact Crowlz Electrical for solar panels in Brisbane or solar installers in Melbourne. Get in touch today to ensure your solar installation is reliable and efficient.