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LONGi Solar Panel Prices in New South Wales

A 6.6kW LONGi solar system is $6,600-$9,900 installed in New South Wales before rebates. After New South Wales rebates and federal STCs, most households pay around $3,000-$6,300 out of pocket. LONGi is the world's largest monocrystalline silicon producer and a top-3 panel manufacturer. Their Hi-MO series panels use proprietary HPBC cell technology for industry-leading efficiency. Known for investing heavily in R&D and manufacturing quality control. A strong mid-to-premium option.

LONGi 6.6kW price in New South Wales (2026)

Installed, before rebates
$6,600-$9,900
NSW rebates + STCs
~$3,600
Out of pocket (after stack)
~$3,000-$6,300

Based on a 6.6kW system at $1,000-$1,500 per kW. Out-of-pocket assumes federal STCs plus New South Wales's available solar rebate, applied by your installer at point of sale. Estimated output for a 6.6kW LONGi system in New South Wales: ~9,829 kWh/yr, saving ~$1,164-$1,557/yr.

15yr
Product warranty
25yr
Performance warranty
22.8%
Panel efficiency
mid-range
Market tier

LONGi solar rebates in New South Wales

Federal

Small-scale Technology Certificates (STCs)

Point-of-sale discount on your LONGi system. Value scales with system size, climate zone and the STC spot price.

~$3,200
on 6.6kW
State

NSW Energy Savings Scheme (ESS)

NSW households. Value varies by system size. Applied as point-of-sale discount through participating retailers.

$400-$800
estimated value

LONGi panels available in New South Wales

LONGi Hi-MO 6 445W

Panel wattage
445W
Efficiency
22.3%
Degradation
0.4%/yr
Type
HPBC Monocrystalline

LONGi Hi-MO 7 590W

Panel wattage
590W
Efficiency
22.8%
Degradation
0.35%/yr
Type
HPBC Monocrystalline

Solar prices across New South Wales

Local solar pricing and free quotes in major New South Wales areas.

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Solar costs in New South WalesFind installers in New South WalesAll New South Wales solar rebates

LONGi solar in New South Wales: FAQ

How much does a LONGi solar system cost in New South Wales?

A 6.6kW LONGi solar system costs $6,600-$9,900 fully installed in New South Wales before rebates ($1,000-$1,500 per kW). After rebates and STCs, most New South Wales households pay around $3,000-$6,300 out of pocket.

What solar rebates can I claim in New South Wales?

On top of federal STCs (worth about $3,200 on a 6.6kW system), New South Wales households can claim NSW Energy Savings Scheme (ESS), taking total support to around $3,600. A LONGi system generates roughly 9,829 kWh a year at New South Wales sun hours, saving about $1,164-$1,557 a year on power.

Is LONGi a good solar brand?

LONGi is the world's largest monocrystalline silicon producer and a top-3 panel manufacturer. Their Hi-MO series panels use proprietary HPBC cell technology for industry-leading efficiency. Known for investing heavily in R&D and manufacturing quality control. A strong mid-to-premium option. LONGi is best suited to homeowners wanting top-tier technology at a mid-range price point. It sits at the mid-range end of the Australian market and carries a 15-year product and 25-year performance warranty.

Where can I get LONGi solar installed in New South Wales?

PumpSwap matches you with local New South Wales installers who quote on LONGi panels. Submit one request and compare up to three quotes from installers covering your suburb, with STCs and rebates already factored in.

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