3.3 kw Solar Power System - Perfect for Smaller Houses

3.3kW solar system comes with 12 solar panels of 275w each with 5kw upgradable inverter, 3.3kW system generate approximately 14.0 kwh a day.

A 3.3kW solar power system is perfect for smaller houses. Solar panel’s size is around 1.69m in length by 1m wide. So to install 3.3kW system with 12 solar panel you need 21m2 roof area.

A good quality 3.3kW solar power system generates average 14.0 kwh per day which can gives you up to $1200 annually return on your solar system investment depending on location of the panels and daytime power consumptions, suitable for home with $350+ quarterly power bill.

According to current feed in tariff we suggest with any solar system you use most of electricity from your solar power system during the daytime as current feed in tariff is approximately 11c to 20c depends on power retailer offer other side you pay almost 4 times more on each kwh for electricity so more you use more you will save.

We design most affordable 3.3kW solar system package that your payback remain approximately 4 to 5 years. So you can cover your investment in warranty period.

Give us a call on 1300 220 990 and we will help you to get best solar system for your needs depends on your daily electricity consumption.


We use quality solar panels with

  • High performance so that can work even under low light and cloudy conditions.
  • Multi by-pass diodes assuring good product protection
  • rust-resistant anodized aluminum that prevents corrosion in humid environments
  • 25 years performance warranty from manufacturer.


Our solar expert recommends inverters with

  • MPPT technology controller performs an extra function to improve your system efficiency.
  • The transformer less Inverter works so efficiently without requires the usual fan to reduce noise.
  • The inverter comes with 5 years warranty with the option to increase to 10 years warranty
  • RS485,WIFI and 3G (optional) communication for monitoring
  • High protection class IP65 (indoor/outdoor use)

Installation includes

Techno Solar guarantees high quality installation from Clean Energy Council accredited solar Installer.

  • Clean Energy Council accredited Electrician,
  • High quality electrical material
  • Corrosion resistant aluminum racking system and mounting components can stand up to the extreme weather complied with the AS/NZS 1170