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LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Wollongong solar fact
Wollongong's CBD is flanked by both the escarpment and the sea — creating a 2km-wide solar sweet spot where homes get both the escarpment's radiation reflection and the sea breeze cooling effect simultaneously
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (560 kWh)
Solar in Wollongong — What You Need to Know
Wollongong CBD and its immediate surrounds represent a diverse solar market: high-rise apartments near Crown Street where rooftop access is limited, older fibro and brick homes in the streets behind Wollongong Beach where solar performance is excellent, and commercial buildings increasingly adding large rooftop systems. The residential solar opportunity sits primarily in the lower-density streets between the CBD and the escarpment, where 1950s–70s homes on 600–800m² blocks have north-facing rooftops well-positioned for solar. Wollongong City Council's sustainability agenda has been strengthened by the closure of BlueScope Steel's hot strip mill, with the council now positioning Wollongong as a clean energy transition city. University of Wollongong's large student population creates rental pressure in the CBD area that limits adoption, but the owner-occupier streets around North Beach and Wollongong Golf Course show adoption rates approaching 30%.
Solar Panel Cost in Wollongong 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 Wollongong
How much do solar panels cost in Wollongong?
A 6.6kW system in Wollongong 2500 costs $4224–$5664 after federal STC rebates in 2026.
Is solar worth it in Wollongong?
Wollongong earns a B+ (Good) solar grade with a score of 75/100. 18% of homes here already have solar.
What size solar system for Wollongong?
6.6kW suits most Wollongong 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 Wollongong
Wollongong, 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 Wollongong is moderate.
At 18% solar adoption, Wollongong is in the growth phase of solar adoption. This means solar installation is well-understood here, with competitive pricing from multiple CEC-accredited installers.
A 6.6kW solar system in Wollongong 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 Wollongong 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 Wollongong
Homeowners in Wollongong () 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 Wollongong?
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 Wollongong, 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 Wollongong
With dozens of solar installers operating in the Wollongong area, choosing the right one for Wollongong 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 Wollongong — saving you the time of calling around. Every installer in our network has verified reviews and local Wollongong experience.