LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Gymea solar fact
Gymea's solar adoption rate is the Shire's fastest-growing — up 41% in three years — driven by an unusually high concentration of dual-income professional families who prioritise whole-home energy systems including batteries
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (539 kWh)
Solar in Gymea — What You Need to Know
Gymea is one of the Sutherland Shire's quintessential family suburbs — post-war brick homes on generous blocks, strong community networks, and an owner-occupier rate exceeding 78%. The suburb's position on the Woronora Plateau means it sits above the coastal marine influence, with standard aluminium components suitable for all installations. Gymea's street grid aligns well for solar: many streets run east-west, placing homes' north faces towards unobstructed mid-day sun. The local installer market is highly competitive — Gymea and neighbouring Miranda are among Sydney's most price-competitive suburbs for solar, with households regularly receiving 5+ quotes. Battery take-up here is accelerating rapidly: 38% of new installs in 2024 included battery storage, compared to 21% in inner Sydney — driven by increasing concern about grid reliability and strong interest in self-sufficiency.
Solar Panel Cost in Gymea 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 Gymea
How much do solar panels cost in Gymea?
A 6.6kW system in Gymea 2227 costs $4224–$5664 after federal STC rebates in 2026.
Is solar worth it in Gymea?
Gymea earns a A- (Very Good) solar grade with a score of 81/100. 35% of homes here already have solar.
What size solar system for Gymea?
6.6kW suits most Gymea 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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Going Solar in Gymea
Gymea, 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 Gymea is moderate.
At 35% solar adoption, Gymea 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 Gymea 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 Gymea 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 Gymea
Homeowners in Gymea () 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 Gymea?
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 Gymea, 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 Gymea
With dozens of solar installers operating in the Sydney area, choosing the right one for Gymea 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 Gymea — saving you the time of calling around. Every installer in our network has verified reviews and local Sydney experience.