Solar Panels Thirroul
1920s–1960s homes in Wollongong City. Local costs, rebates & the honest truth about solar in Thirroul.
Get My Solar Score — Thirroul ☀Home / Locations / Wollongong / Thirroul
LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
$4,000
6.6kW from
$1,500
Annual savings
4.5h
Daily sun
3–5yr
Payback
33%
Have solar
Solar in Thirroul — What You Need to Know
Thirroul sits on the Illawarra escarpment with excellent coastal sun and low tree canopy. It's one of the Wollongong LGA's most solar-friendly suburbs. The housing mix of weatherboard cottages and 1950s brick homes on large blocks gives excellent roof access. Being coastal, salt air hardware considerations apply. Thirroul is well-served by local solar installers from Wollongong and doesn't require the premium pricing of Sydney-based companies.
Thirroul solar fact
Thirroul homeowners pay 15–20% less for installation than equivalent suburbs in Sydney's south, with the same system performance
Estimated Monthly Output — 6.6kW in Thirroul
kWh/month · peak month: Dec (560 kWh)
System Costs in Thirroul 2515
| System | Cost after STCs | Annual savings | Payback |
|---|---|---|---|
| 5kW | $4,000–$4,400 | $1,125+ | 3–5 yrs |
| 6.6kW ★ | $4,000–$6,000 | $1,500 | 3–5 yrs |
| 10kW | $5,200–$7,800 | $2,100+ | 3–5 yrs |
Rebates for Thirroul Homeowners
All Thirroul homeowners access the federal STC rebate — worth $3,000–$4,500 off a 6.6kW system in Zone 2. Your installer applies this at point of sale.
FAQs — Solar in Thirroul
How much do solar panels cost in Thirroul?
A 6.6kW system in Thirroul (2515) costs $4,000–$6,000 after federal STC rebates. Thirroul is in STC Zone 2, meaning $3,000–$4,500 off upfront.
What solar rebates are available in Thirroul?
Thirroul homeowners access the federal STC scheme ($3,000–$4,500 off). See current NSW state programs at our rebates page.
Is solar worth it in Thirroul?
Yes — Thirroul earns a Solar Suitability Grade of B+ (Good). With 4.5h daily sun and 33c/kWh rates, a 6.6kW system saves $1,500/year and pays back in 3–5 years.
FREE · 60 SECONDS · NO PHONE CALLS