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LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Corrimal solar fact
Corrimal's position on the Illawarra escarpment's lower slopes gives it an extra 0.25 peak sun hours per day compared to coastal Wollongong — the Illawarra escarpment acts as a natural reflector for morning sun
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (561 kWh)
Solar in Corrimal — What You Need to Know
Corrimal sits on the lower Illawarra escarpment, north of Wollongong, where the flat coastal strip meets the dramatic sandstone cliffs of Bald Hill. The suburb's 1950s–70s housing stock occupies a sun-rich position: the escarpment to the west blocks cold south-westerly winds but reflects additional radiation from its pale sandstone face, while the unobstructed eastern horizon gives homes clear solar access from early morning. Wollongong City Council's sustainability strategy has identified the Illawarra escarpment suburbs as priority areas for solar adoption, and Corrimal benefits from competitive installer pricing in the Wollongong market where multiple CEC-accredited businesses compete for the suburb's consistent demand. The suburb's working-class heritage — the coal and steel industry that shaped the Illawarra — has given way to a mixed demographic of families, retirees and professionals who are increasingly motivated by electricity cost reduction.
Solar Panel Cost in Corrimal 2026
| System | Cost after STCs | Annual savings | Feed-in |
|---|---|---|---|
| 5kW | $3590–$4224 | $1920+ | 5.5c |
| 6.6kW ★ | $4224–$5664 | $2560 | 5.5c |
| 10kW | $5491–$7363 | $3584+ | 5.5c |
FAQs — Solar in Corrimal
How much do solar panels cost in Corrimal?
A 6.6kW system in Corrimal 2518 costs $4224–$5664 after federal STC rebates in 2026.
Is solar worth it in Corrimal?
Corrimal earns a B+ (Good) solar grade with a score of 78/100. 27% of homes here already have solar.
What size solar system for Corrimal?
6.6kW suits most Corrimal homes. Larger homes with pools or EVs should consider 10kW+. NSW's feed-in tariff is 5.5c.
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Going Solar in Corrimal
Corrimal, in the Wollongong region of NSW, receives approximately 4.6 peak sun hours per day — above the national average of 4.2 hours. With electricity rates of approximately 33c/kWh and Zone 2 Small-scale Technology Certificates (STCs) applying in this area, the financial case for solar in Corrimal is moderate.
At 27% solar adoption, Corrimal is in the growth phase of solar adoption. This means experienced local installers are readily available and the grid operator has well-established processes for residential solar connections.
A 6.6kW solar system in Corrimal costs approximately $4224–$5664 after STC rebates. At 4.6h daily sun and 33c/kWh electricity, you can expect annual savings of approximately $70 — giving a payback period of 57.1–92.9 years, followed by 20+ years of near-free electricity.
The electricity network in Corrimal is managed by Ausgrid, Endeavour Energy, or Essential Energy. Ausgrid covers northern Wollongong; Essential Energy covers some southern areas. Check your specific address before system design. For residential systems above 5kW, a network connection application is typically required — your installer will handle this as part of the installation process.
Solar Rebates in Corrimal
Homeowners in Corrimal () access the following solar incentives in 2026:
Zone 2 FEDERAL STCs
Zone 2 STCs worth approximately $2,800–$3,400 off a 6.6kW system. STCs are applied as a point-of-sale discount — your installer handles the paperwork.
STATE: NSW
Empowering Homes interest-free loans for eligible households
FEED-IN TARIFF
NSW currently offers approximately 5.5c/kWh for excess solar exported to the grid. Self-consumption saves 33c/kWh — 6.0x more than exporting.
What Size Solar System for Corrimal?
The right system size depends on your electricity usage. A quick rule: divide your quarterly bill by $100 to get your ideal system size in kW. For Corrimal, common household sizes are:
With NSW's feed-in tariff at 5.5c/kWh and electricity at 33c/kWh, the priority is maximising self-consumption rather than grid export. If your household is away during peak solar generation hours (10am–3pm), adding a battery to shift solar to evening use improves payback. See our solar battery guide for battery options and payback analysis.
Compare all system sizes — 5kW to 13kW →More Guides
How to Choose a Solar Installer in Corrimal
With dozens of solar installers operating in the Wollongong area, choosing the right one for Corrimal requires a few checks. Here's what to look for:
Our free solar score tool connects you with up to 3 CEC-accredited, vetted installers in Corrimal — saving you the time of calling around. Every installer in our network has verified reviews and local Wollongong experience.