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How Knoxfield 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
Knoxfield this page8,621 kWh$1,600-$4,300$777-$1,021
Ferntree Gully8,621 kWh$1,600-$4,300$777-$1,021
Scoresby8,621 kWh$1,600-$4,300$777-$1,021
Wantirna South8,621 kWh$1,600-$4,300$777-$1,021

Solar Panel Cost in Knoxfield, VIC

Knoxfield (3180) is a metro area in Victoria with a mild temperate climate with moderate solar output. A 6.6kW solar system in Knoxfield costs $1,600 to $4,300 after all available rebates, generating approximately 8,621 kWh per year. Decent solar conditions but with more seasonal variation than northern areas. Winter output will be noticeably lower than summer. North-facing roof with minimal shading is especially important here to maximise your return on investment.

Knoxfield 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 4.21 average peak sun hours per day, a 6.6kW system in Knoxfield will generate approximately 8,621 kWh per year.

$1,600-$4,300
6.6kW after rebates
$5,800-$8,500
Before rebates
8,621 kWh
Annual output (6.6kW)
$777-$1021
Annual savings

Recommended Solar Brands for Knoxfield

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 Knoxfield?
A 6.6kW solar system in Knoxfield costs between $5,800 and $8,500 installed before rebates. After federal STCs and any Victoria rebates, expect to pay $1,600 to $4,300. Larger systems (10kW+) cost more upfront but produce proportionally more electricity.
What rebates are available for solar in Knoxfield?
Knoxfield 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. Victoria also offers a $1,400 Solar Victoria rebate for eligible households (offered as an interest-free loan from May 2026 for some applicants).
How much electricity will solar produce in Knoxfield?
With 4.21 peak sun hours per day, a 6.6kW system in Knoxfield will generate approximately 8,621 kWh per year. Decent solar conditions but with more seasonal variation than northern areas. Winter output will be noticeably lower than summer. North-facing roof with minimal shading is especially important here to maximise your return on investment.
What is the payback period for solar in Knoxfield?
Based on current electricity prices and feed-in tariffs in Victoria, a 6.6kW system in Knoxfield will save $777-$1,021 per year. At an after-rebate cost of $1,600-$4,300, the payback period is typically 3-6 years.
What size solar system do I need in Knoxfield?
For an average Knoxfield 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. In cooler climates with lower output, sizing up is recommended.
What direction should solar panels face in Knoxfield?
North-facing is ideal for maximum annual output in Knoxfield. 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 Victoria.

Related Guides

Heat Pump vs Solar Hot WaterComplete Rebates Guide

Also in Knoxfield

Heat Pump Hot Water Cost in KnoxfieldVictoria Solar Rebates

Nearby Suburbs

Ferntree GullyScoresbyWantirna South
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