Comstel Energy · Solar Inverters · Australia

Solar Inverters
The Heart of Every Solar System

Inverters are the core of any solar system — they convert direct current (DC) from your panels into alternating current (AC), the type of electricity your business uses every day. Comstel Energy supplies inverters engineered for maximum efficiency, safety, and reliability — built tough for Australian conditions to deliver consistent output and reduce system costs over time.

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3 Inverter Types AS/NZS 4777 Compliant Australian Conditions Premium Brands
String
Optimised
Microinverter
Compliant
Optimised for Output
Right inverter, right system — engineered for maximum lifetime energy yield.
Why Inverters Matter
Optimised Energy Production. Lower Lifetime Costs. Site Safety.

Your inverter determines how much of your panels' potential energy actually reaches your business as usable electricity. Choosing the right inverter type for your roof and load profile can mean the difference between a system that generates 95% of its potential and one that generates only 75%. Comstel Energy specialises in matching inverter type to site conditions for maximum lifetime yield.

3
Inverter Types
String, optimised, micro
98%
Peak Efficiency
On premium models
10-15 yr
Inverter Life
Standard warranty range
AS/NZS
4777 Compliant
All Comstel installs
The Three Inverter Types
Match the Right Technology to Your Site

Three core inverter technologies serve different needs. String inverters are the most cost-effective for unshaded sites. Optimised string inverters add per-panel optimisers for partial shading. Microinverters deliver maximum flexibility for complex roofs. Comstel Energy specifies the right type for your site during the design phase.

Most Common
String Inverters
String inverters are the most widely used type, offering excellent value for money. Highly efficient at converting nearly all the solar energy captured by your panels into usable electricity for your business.
B
Bring in solar energy from a string of panels
B
Break down DC power into AC electricity
B
Balance performance to deliver reliable, cost-effective power
Benefit
Proven technology, strong efficiency, and great affordability.
Best Value Unshaded Sites Proven
Hybrid Approach
Optimised String
Optimised string inverters work like standard string inverters but include individual optimisers on each panel, allowing each panel to perform at its best — similar benefits to microinverters at lower cost.
B
Bring in energy from each panel individually
B
Break down DC into AC power for your business
B
Balance output from each panel for maximum efficiency
Benefit
Enhanced energy yield, reduced shading losses, and reliable performance across your system.
Per-Panel Partial Shade Mid-Range
Premium Tech
Microinverters
Microinverters are compact units installed on the back of each solar panel, enabling panels to operate independently and maximise overall system performance. Ideal for spaces with shading or complex layouts — offering greater flexibility in system design.
B
Bring in power from each individual panel
B
Break down DC into AC electricity right at the panel
B
Balance output so each panel performs at its best
Benefit
Optimised energy production, improved performance in shaded areas, and flexible system design.
Maximum Yield Complex Roofs Shaded Sites
Choosing the Right Inverter
Comstel Energy's Four-Step Selection Process

Selecting the optimal inverter is part design, part economics. Our process accounts for your roof, expected shade, panel layout, and budget — balancing upfront cost against lifetime energy yield to find the right fit.

1
Site Analysis
Assess your roof orientation, tilt, structural condition, and shading patterns throughout the year. Drone or 3D modelling for complex sites.
2
Yield Modelling
Compare expected lifetime energy yield across inverter types using your site data. We show you the trade-offs in dollar terms, not just technical specs.
3
Inverter Selection
Specify the right inverter type, brand, and capacity. We work with premium Australian-supported brands — Fronius, SMA, Sungrow, Enphase, SolarEdge.
4
Install & Commission
CEC-approved install, AS/NZS 4777 compliant commissioning, monitoring setup, and ongoing performance support across the inverter's life.
What Matters in an Inverter
Six Things Comstel Energy Looks For
Conversion Efficiency
Premium inverters reach 97-98% peak efficiency. The higher the efficiency, the more solar energy reaches your business as usable power.
Heat Tolerance
Australian summers are brutal. Quality inverters maintain output at 50°C+ ambient — cheaper units derate or shut down on hot days.
AS/NZS 4777 Compliance
All inverters supplied by Comstel comply with Australian standard AS/NZS 4777 for grid-connect inverter safety and performance.
Monitoring Capability
Real-time generation data, fault alerts, and historical reporting. Catch issues before they cost you generation.
Australian Support
Local technical support, spare parts availability, and warranty handling. Avoid imported brands with no Australian presence.
Warranty Strength
Premium inverters carry 10-15 year warranties. Comstel manages all warranty claims directly — you never deal with the manufacturer.
Why Choose Comstel Energy
Australia's Trusted Solar Inverter Specialist
30+
Years in Business
Serving Australia since 1992
Premium Brands Only
Fronius, SMA, Sungrow, Enphase
CEC-Approved
AS/NZS 4777 compliant install
24/6
Support Available
Local Australian team
Frequently Asked Questions
Common Questions About Solar Inverters
What does an inverter actually do?
Solar panels generate direct current (DC) electricity. The Australian power grid and almost every device in your business runs on alternating current (AC). The inverter converts DC to AC, makes the electricity grid-compliant, and feeds it into your switchboard for use on-site or export.
Which inverter type should I choose?
If your roof is unshaded with a single orientation, string inverters offer the best value. If you have partial shading or multiple roof orientations, optimised string often wins. For complex roofs, heavy shading, or maximum yield priority, microinverters are ideal. Our design phase identifies the best fit.
How long do inverters last?
Quality string and optimised string inverters last 10-15 years typically and may need replacement once during the system's 25+ year life. Microinverters often carry 20-25 year warranties matching panel life. Comstel Energy advises on the lifecycle economics during your quote.
What brands does Comstel install?
Comstel works with premium Australian-supported brands including Fronius, SMA, Sungrow, SolarEdge, and Enphase. We avoid budget brands without local support — these often fail early and leave you with no recourse.
Will the inverter work with future battery upgrades?
Yes — Comstel Energy specifies battery-ready inverters from day one if you plan to add storage later. Hybrid inverters can run both panels and batteries from a single unit, while DC-coupled and AC-coupled battery solutions also exist for retrofit.
Where does the inverter get installed?
String and optimised inverters are typically wall-mounted in a sheltered location — a switchboard room, plant room, or garage. Microinverters install directly behind each solar panel on the roof. Inverters need ventilation — we don't install them in direct sun or unventilated cabinets.
What happens if my inverter fails?
Comstel Energy handles all warranty claims directly with the manufacturer — you never deal with paperwork. Our monitoring catches faults early. Failed inverters are typically replaced or repaired within days, with no out-of-pocket cost during warranty.
How do I get started?
Click Get a Free Quote or call 1300 070 747. A Comstel Energy specialist will respond same business day, arrange a free site assessment, and provide a fixed-price quote with the right inverter specified for your premises.

The right inverter pays for itself

Optimised energy production, lower lifetime costs, enhanced site safety. Comstel Energy specifies the right inverter for your roof and load profile — engineered for Australian conditions.

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Build the full solar stack

Pair the right inverter with quality panels, batteries, and EV charging for the complete energy ecosystem — all from Comstel Energy.

Solar Panels Batteries Hybrid Systems 1300 070 747
Solar inverters supplied and installed by Comstel Energy, a division of Comstel ICT. Brand availability and pricing depend on system size and configuration. All installations comply with AS/NZS 4777 by CEC-approved installers. Fronius, SMA, Sungrow, SolarEdge, Enphase are trademarks of their respective owners.
Comstel ICT · 1300 070 747 · sales@comstel.com.au · comstel.com.au