Solar Installation in Cairns.Know what it should cost in Cairns.
Tailored to the Cairns, QLD market — local pricing adjustment applied automatically. A few quick questions, no obligation.
A typical solar installation in Cairns costs between $4,860 and $17,280 in 2026, with most projects landing around $9,180.
Last reviewed:
Where is the project?
Enter your postcode so we can apply local pricing.
- LocationCairns
- System size6.6 kW (most common)
- Equipment tierStandard — Tier 1 panels, mid-tier inverter
- When are you hoping to start?In 3–6 months
What goes into the number.
We start from a per-kW installed rate (post-STC) and scale by system size and equipment tier. Batteries and EV chargers are added on top.
- System size in kW.
- Panel and inverter brand / tier.
- Roof type — tile is slower to mount on than tin.
- Switchboard age and 3-phase upgrade requirements.
- Whether you add battery storage and EV charging.
Solar Installation in Cairns.
Cairns pricing tends to be higher than Brisbane due to freight costs, humidity-driven material specs, and cyclone compliance.
Frequently asked questions
How much does a solar installation cost in Cairns?
In Cairns, a typical solar installation costs between $4,860 and $17,280 in 2026, with most projects landing around $9,180. Pricing varies with size, finish level, complexity and your specific site.
Is the STC rebate already in the price?
Yes — the figures here assume the STC rebate is applied at point of sale, which is how nearly all retailers quote.
Is a battery worth it?
It depends on your tariff and self-consumption patterns. Batteries typically have a 7–11 year payback in 2026, but improve resilience and energy independence regardless.
See local pricing for your city
Each city page includes a local pricing adjustment, assumptions and FAQs.
Related calculators
Estimate the cost of installing split-system or ducted air conditioning.
Estimate the cost of replacing or restoring your roof — Colorbond, concrete tile or terracotta.
Estimate the cost of a whole-house renovation — multiple rooms, structural changes, kitchen and bathrooms.