Find your perfect
energy system.
Compare solar panels, batteries and inverters side by side. Use our savings calculator to get a personalised estimate for your property.
Estimate your
annual savings.
Estimate Your Savings
Estimates based on a solar + battery system, Australian tariff rates and BOM irradiance data. Actual savings vary by usage and location.
Batteries
side by side.
| Feature | BYD Battery-Box | Tesla Powerwall | Sungrow SBR | Alpha ESS | Enphase IQ |
|---|---|---|---|---|---|
| Capacity | 5.1-22.1kWh | 13.5kWh | 9.6-25.6kWh | 5-20kWh | 3.4-42kWh |
| Chemistry | LFP | NMC/LFP | LFP | LFP | LFP |
| Cycle Life | 10,240+ | Unlimited* | 9,000+ | 9,000+ | 7,000+ |
| Efficiency | 96% | 97.5% | 96% | 95% | 96% |
| Warranty | 10 years | 10 years | 10 years | 10 years | 15 years |
| Modular | Yes | Stackable | Yes | Fixed | Yes |
| Backup | Yes | Yes | Yes | Yes | Yes |
| VPP Ready | Yes | Yes | Yes | Yes | Yes |
| Best For | Flexibility | Ecosystem | Value | Compact | Reliability |
Solar panels
compared.
| Brand | Technology | Efficiency | Warranty | Best For |
|---|---|---|---|---|
| Jinko Solar | N-type TOPCon | 22.27% | 25 years | Best Value |
| REC Group | HJT | 22.3% | 25 years | Premium Quality |
| LONGi Solar | HPDC | 22.5% | 25 years | Reliability |
| SunPower | IBC Maxeon | 22.8% | 40 years | Maximum Output |
| Q CELLS | Half-cut | 21.4% | 25 years | Shade Tolerance |
| Canadian Solar | N-type TOPCon | 22.5% | 25 years | Bankability |
Your energy
independence score.
How close are you to energy freedom? Answer three quick questions and we'll rate your home's energy independence on a 0–100 scale.
Rate Your Energy Independence
Battery ROI
simulator.
Model the financial return of adding a battery to your solar system. See payback period, lifetime savings and VPP income potential.
Simulate Battery ROI
Inverter options
explained.
String Inverter
Traditional centralised inverter. Cost-effective for simple, unshaded roofs. Fronius and Sungrow are top choices.
DC Optimised
SolarEdge inverter with panel-level optimisers. Panel-level monitoring and shade mitigation. Mid-range pricing.
Microinverter
Enphase IQ microinverters on every panel. Maximum reliability, no single point of failure. Premium option.
Your concerns,
answered.
Design your perfect setup.
Drag the sliders to configure your ideal solar and battery system. See real-time cost and savings estimates.