LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Mosman solar fact
Mosman's average solar system size is 11.4kW — 74% larger than the Sydney median — reflecting the suburb's combination of large north-facing rooftops and very high electricity consumption from ducted HVAC
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (527 kWh)
Solar in Mosman — What You Need to Know
Mosman occupies the entirety of the Middle Harbour peninsula, giving its homes some of Sydney's most dramatic north-facing hillside positions. The suburb's pre-war harbourside estates on Mosman Bay, Balmoral and Cremorne Point were built with large, well-orientated rooftops that are near-ideal for solar. The planning challenge is Mosman's conservation overlay, which covers approximately 65% of the suburb — however, the council has streamlined approval for all-black monocrystalline panels on rear and side elevations, with 94% of applications approved without objection. Premium installer demand here supports system sizes averaging 11kW+, and the combination of large homes, pools, and ducted air conditioning means Mosman households have among Sydney's highest electricity bills — making payback periods shorter than the postcode's wealth might suggest.
Solar Panel Cost in Mosman 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 Mosman
How much do solar panels cost in Mosman?
A 6.6kW system in Mosman 2088 costs $4224–$5664 after federal STC rebates in 2026.
Is solar worth it in Mosman?
Mosman earns a B+ (Good) solar grade with a score of 75/100. 21% of homes here already have solar.
What size solar system for Mosman?
6.6kW suits most Mosman homes. Larger homes with pools or EVs should consider 10kW+. NSW's feed-in tariff is 5.5c.
Solar in Nearby Suburbs
FREE · 60 SECONDS · NO PHONE CALLS