LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Kellyville solar fact
Kellyville's Ridge estate has Sydney's highest cul-de-sac solar density — a 2019 community information event at Kellyville Ridge Public School led to 340 installations within 8 months, driven by parents comparing installer quotes through the school's Facebook group
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (536 kWh)
Solar in Kellyville — What You Need to Know
Kellyville is the Hills District's established residential heartland, a suburb of 1990s–2010s brick homes that bridges the gap between older Hills suburbs like Baulkham Hills and the newer master-planned communities of Rouse Hill and The Ponds. The suburb's solar market is characterised by its strong community social networks centred on the suburb's primary schools — the Kellyville Ridge and Kellyville public school communities have become de facto solar information exchanges where parents compare quotes, share installer experiences, and coordinate installation timing. Hills Shire Council's streamlined approval process handles the suburb's high installation volume efficiently. The Kellyville Ridge precinct's elevated position gives excellent solar access across north-facing lots, and the suburb's large-format brick homes on 500–700m² lots support 8–13kW systems comfortably.
Solar Panel Cost in Kellyville 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 Kellyville
How much do solar panels cost in Kellyville?
A 6.6kW system in Kellyville 2155 costs $4224–$5664 after federal STC rebates in 2026.
Is solar worth it in Kellyville?
Kellyville earns a A- (Very Good) solar grade with a score of 82/100. 35% of homes here already have solar.
What size solar system for Kellyville?
6.6kW suits most Kellyville homes. Larger homes with pools or EVs should consider 10kW+. NSW's feed-in tariff is 5.5c.
Solar in Nearby Suburbs
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