LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Penrith solar fact
Penrith has western Sydney's most extreme solar thermal advantage — summer temperatures regularly reach 42°C, 8°C above coastal Sydney, creating electricity bills 34% higher from air conditioning that make solar's financial case more compelling here than anywhere east of the Mountains
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (537 kWh)
Solar in Penrith — What You Need to Know
Penrith is the gateway to the Blue Mountains and western Sydney's second city, a regional hub that experiences the full Continental climate intensity of the inland: summer temperatures 8–10°C hotter than coastal Sydney, cold winters, and clear air that gives the suburb 4.7 peak sun hours per day. The summer heat drives electricity consumption that makes Penrith households among Greater Sydney's highest average bill payers — $2,900/year — creating exceptional solar ROI. Penrith City Council has been among Sydney's most solar-progressive municipalities, running community solar programs and maintaining an expedited approval pathway. The suburb's housing stock is predominantly 1980s–2000s brick on generous lots, with increasing new estate development that frequently includes solar as a builder upgrade. The Blue Mountains' visual backdrop and Penrith's position at the foot of the escarpment give the suburb its distinctive identity as the western edge of Sydney's metropolitan footprint — and its solar data reflects a community that takes energy self-sufficiency seriously.
Solar Panel Cost in Penrith 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 Penrith
How much do solar panels cost in Penrith?
A 6.6kW system in Penrith 2750 costs $4224–$5664 after federal STC rebates in 2026.
Is solar worth it in Penrith?
Penrith 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 Penrith?
6.6kW suits most Penrith 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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