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
Going Solar in Mosman
Mosman, 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 Mosman is moderate.
At 21% solar adoption, Mosman is in the growth phase of solar adoption. This means solar installation is well-understood here, with competitive pricing from multiple CEC-accredited installers.
A 6.6kW solar system in Mosman 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 Mosman 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 Mosman
Homeowners in Mosman () 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 Mosman?
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 Mosman, 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 Mosman
With dozens of solar installers operating in the Sydney area, choosing the right one for Mosman 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 Mosman — saving you the time of calling around. Every installer in our network has verified reviews and local Sydney experience.