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How Piara Waters compares with nearby suburbs

Estimated 6.6kW output uses each suburb's own sun-hours (derived from its latitude and climate zone), with the same rebate and tariff assumptions across the board.

SuburbEst. annual outputInstalled cost after rebatesEst. annual savings
Piara Waters this page10,689 kWh$2,600-$5,300$1,129-$1,494
Harrisdale10,689 kWh$2,600-$5,300$1,129-$1,494
Forrestdale10,689 kWh$2,600-$5,300$1,129-$1,494
Canning Vale10,709 kWh$2,600-$5,300$1,131-$1,497
Southern River10,709 kWh$2,600-$5,300$1,131-$1,497

Solar Panel Cost in Piara Waters, WA

Piara Waters (6112) is a metro area in Western Australia with a warm temperate climate with good solar output. A 6.6kW solar system in Piara Waters costs $2,600 to $5,300 after all available rebates, generating approximately 10,689 kWh per year. Good solar conditions with moderate seasonal variation. Summer months will see peak production. A north-facing roof orientation is important to maximise output in the cooler months.

Piara Waters is in a metro area with strong competition among solar installers, which keeps prices competitive. Expect 3-5 quotes to range by $1,000-$2,000 for the same system.

With 5.22 average peak sun hours per day, a 6.6kW system in Piara Waters will generate approximately 10,689 kWh per year.

Western Australia has the lowest feed-in tariff in the country (around 2.25c/kWh from Synergy). This means maximising self-consumption is critical. Consider a battery or shifting usage to daytime.

$2,600-$5,300
6.6kW after rebates
$5,800-$8,500
Before rebates
10,689 kWh
Annual output (6.6kW)
$1129-$1494
Annual savings

Recommended Solar Brands for Piara Waters

Jinko Solar

Budget-conscious homeowners wanting proven reliability at the best price

Efficiency: 22%Warranty: 25yrTier: budget
$900-$1300
per kW installed

LONGi

Homeowners wanting top-tier technology at a mid-range price point

Efficiency: 22.3%Warranty: 25yrTier: mid-range
$1000-$1500
per kW installed

Trina Solar

Those wanting a proven, bankable brand with strong warranty at a competitive price

Efficiency: 22.1%Warranty: 25yrTier: budget
$950-$1400
per kW installed

Canadian Solar

Homeowners wanting a non-Chinese headquartered Tier-1 brand at a competitive price

Efficiency: 22%Warranty: 25yrTier: mid-range
$950-$1350
per kW installed

SunPower

Homeowners wanting the absolute best panels with the longest warranty, especially on limited roof space

Efficiency: 22.8%Warranty: 40yrTier: premium
$1500-$2200
per kW installed

Frequently Asked Questions

How much does solar cost in Piara Waters?
A 6.6kW solar system in Piara Waters costs between $5,800 and $8,500 installed before rebates. After federal STCs and any Western Australia rebates, expect to pay $2,600 to $5,300. Larger systems (10kW+) cost more upfront but produce proportionally more electricity.
What rebates are available for solar in Piara Waters?
Piara Waters residents can access federal Small-scale Technology Certificates (STCs) worth $2,500-$3,800 depending on system size and climate zone. This is applied as a point-of-sale discount by your installer. Check current Western Australia programs for additional incentives.
How much electricity will solar produce in Piara Waters?
With 5.22 peak sun hours per day, a 6.6kW system in Piara Waters will generate approximately 10,689 kWh per year. Good solar conditions with moderate seasonal variation. Summer months will see peak production. A north-facing roof orientation is important to maximise output in the cooler months.
What is the payback period for solar in Piara Waters?
Based on current electricity prices and feed-in tariffs in Western Australia, a 6.6kW system in Piara Waters will save $1,129-$1,494 per year. At an after-rebate cost of $2,600-$5,300, the payback period is typically 3-6 years.
What size solar system do I need in Piara Waters?
For an average Piara Waters household using 20-25kWh per day: a 6.6kW system covers most needs. Larger households (30kWh+) should consider 10kW or 13.3kW systems. If you have or plan to add an EV charger or heat pump hot water, size up. Your sunny climate means a standard-sized system will perform well.
What direction should solar panels face in Piara Waters?
North-facing is ideal for maximum annual output in Piara Waters. West-facing produces more in the afternoon (good if you use more power in the evening). East-facing produces more in the morning. Even a flat roof works well. Avoid south-facing if possible, as output can be 20-30% less than north-facing in Western Australia.

Related Guides

Heat Pump vs Solar Hot WaterComplete Rebates Guide

Also in Piara Waters

Heat Pump Hot Water Cost in Piara WatersWestern Australia Solar Rebates

Nearby Suburbs

HarrisdaleForrestdaleCanning ValeSouthern River
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