LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Sutherland solar fact
Sutherland Shire LGA has Sydney's highest proportion of 10kW+ systems — 34% of all installs exceed 10kW, driven by the shire's large-block housing stock and a culture of 'going all in' on renewable energy
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (541 kWh)
Solar in Sutherland — What You Need to Know
Sutherland sits at the geographic heart of the Shire, surrounded by national park ridgelines that create an unusual microclimate: cleaner air and marginally more sunshine than inner Sydney, with afternoon sea breezes keeping panels 3–4°C cooler in summer. The suburb's post-war housing stock — mostly 1960s–80s brick homes on 600–900m² blocks — offers abundant north-facing roof space, and Sutherland Shire Council has maintained one of Sydney's most solar-supportive planning regimes for over a decade. The council's 2030 sustainability strategy targets 50% renewable electricity across the LGA, with free solar assessments for eligible households. Sutherland's proximity to the Woronora River National Park means low tree canopy on residential streets, giving panels clear access to morning and afternoon sun that shaded inner-city suburbs lose.
Solar Panel Cost in Sutherland 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 Sutherland
How much do solar panels cost in Sutherland?
A 6.6kW system in Sutherland 2232 costs $4224–$5664 after federal STC rebates in 2026.
Is solar worth it in Sutherland?
Sutherland earns a A- (Very Good) solar grade with a score of 82/100. 33% of homes here already have solar.
What size solar system for Sutherland?
6.6kW suits most Sutherland 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 Sutherland
Sutherland, in the Sydney 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 Sutherland is moderate.
At 33% solar adoption, Sutherland 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 Sutherland 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 Sutherland is managed by Ausgrid, Endeavour Energy, or Essential Energy. Ausgrid covers most of Sydney metro. Endeavour Energy covers the western suburbs and Illawarra. Essential Energy covers regional NSW. 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 Sutherland
Homeowners in Sutherland () 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 Sutherland?
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 Sutherland, 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 Sutherland
With dozens of solar installers operating in the Sydney area, choosing the right one for Sutherland 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 Sutherland — saving you the time of calling around. Every installer in our network has verified reviews and local Sydney experience.