Solar Calculator Perth

Calculate your solar savings in Perth. With 5.5 average sun hours daily and feed-in tariffs of 3-10c/kWh, solar is a smart investment for WA residents.

5.5hrs

Daily Sun Hours

$400

Avg Quarterly Bill

3-10c

Feed-in Tariff

5-7yrs

Typical Payback

Solar System Size Calculator

Find out what size solar system you need based on your electricity usage

Optional - helps determine if system will fit

Solar ROI & Savings Calculator

Calculate your return on investment and payback period

Optional - we'll use average for your state

Optional - we'll estimate based on size

Battery Storage Calculator

Find the right battery size for your solar system

Hours of backup during blackout

Earn money by sharing your battery with the grid during peak times

Feed-in Tariff Calculator

Calculate how much you'll earn from exporting solar power to the grid

Percentage of solar used in your home

Find Solar Installers

Connect with certified solar installers in your area

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Solar Power in Perth

Perth residents enjoy excellent conditions for solar power generation, with an average of 5.5 peak sun hours per day. The WAgovernment offers various incentives including STCs (Small-scale Technology Certificates) that can reduce your solar system cost by $2,000-$5,000.

Why Go Solar in Perth?

  • Average electricity bills in Perth: $400 per quarter
  • Feed-in tariffs: 3-10c per kWh for excess energy
  • Typical payback period: 5-7 years
  • 25+ year system lifespan
  • Increase property value

Popular Solar System Sizes in Perth

  • 6.6kW System: Most popular for average homes
  • 10kW System: Large homes or those with pools
  • 13kW System: Future-proofing for EVs