Solar photovoltaic (PV) technology converts sunlight directly into electricity using semiconductor cells — the panels on more than six million small-scale Australian systems. PV is distinct from solar hot water. For homeowners in 2026, “going solar” almost always means grid-connect PV, STCs, DNSP approval and optional batteries under the Cheaper Home Batteries Program.
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Indicative 2026 pricing: a typical 6.6kW system often quotes around $5,000–$8,000 after the STC discount (metro installs often $5,000–$7,500; premium/regional can run higher). See our solar cost guide.
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Cells are wired into modules (panels); modules form an array measured in kWp. Most Australian residential modules are mono-PERC or newer n-type designs in the ~400W+ class. Efficiency and temperature behaviour differ by cell technology — ask for the datasheet, not only the brand billboard.
PV modules produce DC. An inverter (string, micro or hybrid) creates AC for appliances and lawful grid export. Protection devices, isolators and earthing per AS/NZS standards keep the system safe for you and network workers.
High retail electricity prices, strong irradiance in many regions, and the SRES STC discount made rooftop PV mainstream. Roughly a third of homes now host systems. That success is also why export limits are common — networks were not built for every street exporting at noon.
With ~$372/kWh usable federal battery support since 1 July 2025, many quotes now include hybrid options. PV still does the generation; batteries shift energy to evening peaks. Design generation and storage as one household energy plan.
PV systems are largely passive. Occasional cleaning where dust or pollen is heavy, visual checks after storms, and inverter monitoring catch most issues. Bird nesting and corroded earths are the unglamorous failures CEC-accredited service teams see often.
Prioritise CEC-accredited design/install, eligible products for STCs, honest yield and export assumptions, then price. MrSolar helps you compare those fundamentals across installers rather than chasing a single magic panel name.
Plan a PV system around your bills and roof — compare CEC-accredited quotes on MrSolar.
Written and reviewed by Daniel (Marketplace lead, Epic Unicorn Pty Ltd). We build pages from Australian solar datasets and regulatory references, then map you to CEC-accredited installers only.
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