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How St Lucia 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
St Lucia this page10,156 kWh$2,300-$5,000$1,198-$1,615
Taringa10,156 kWh$2,300-$5,000$1,198-$1,615
Toowong10,156 kWh$2,300-$5,000$1,198-$1,615
Indooroopilly10,156 kWh$2,300-$5,000$1,198-$1,615
West End10,156 kWh$2,300-$5,000$1,198-$1,615

Solar Panel Cost in St Lucia, QLD

St Lucia (4067) is a metro area in Queensland with a warm subtropical climate with good solar potential. A 6.6kW solar system in St Lucia costs $2,300 to $5,000 after all available rebates, generating approximately 10,156 kWh per year. Very good solar conditions for most of the year. Summer output will be strong. Winter will see a moderate drop but you will still generate meaningful electricity even on shorter days.

St Lucia 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 4.96 average peak sun hours per day, a 6.6kW system in St Lucia will generate approximately 10,156 kWh per year.

$2,300-$5,000
6.6kW after rebates
$5,800-$8,500
Before rebates
10,156 kWh
Annual output (6.6kW)
$1198-$1615
Annual savings

Recommended Solar Brands for St Lucia

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 St Lucia?
A 6.6kW solar system in St Lucia costs between $5,800 and $8,500 installed before rebates. After federal STCs and any Queensland rebates, expect to pay $2,300 to $5,000. Larger systems (10kW+) cost more upfront but produce proportionally more electricity.
What rebates are available for solar in St Lucia?
St Lucia 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 Queensland programs for additional incentives.
How much electricity will solar produce in St Lucia?
With 4.96 peak sun hours per day, a 6.6kW system in St Lucia will generate approximately 10,156 kWh per year. Very good solar conditions for most of the year. Summer output will be strong. Winter will see a moderate drop but you will still generate meaningful electricity even on shorter days.
What is the payback period for solar in St Lucia?
Based on current electricity prices and feed-in tariffs in Queensland, a 6.6kW system in St Lucia will save $1,198-$1,615 per year. At an after-rebate cost of $2,300-$5,000, the payback period is typically 3-6 years.
What size solar system do I need in St Lucia?
For an average St Lucia 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 St Lucia?
North-facing is ideal for maximum annual output in St Lucia. 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 Queensland.

Related Guides

Heat Pump vs Solar Hot WaterComplete Rebates Guide

Also in St Lucia

Heat Pump Hot Water Cost in St LuciaQueensland Solar Rebates

Nearby Suburbs

TaringaToowongIndooroopillyWest End
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