Last updated: March 2026 · Data: Clean Energy Regulator & State Sources
Solar Panels South Australia
South Australia averages 5.1 peak sun hours per day and has been a solar pioneer — leading the nation in per-capita rooftop solar. With excellent STC rebates, a Home Battery Scheme, and high electricity costs, SA homeowners enjoy payback periods of 2–4 years.
Avg Score
80/100
Sun Hours
5.1h/day
Avg Savings
$1,700/yr
Population
1.8M
National solar ranking
SA ranks #3 of 8 states & territories
South Australia solar cities
Browse by City
Highest rated in SA
Top Rated Suburbs
SA solar incentives 2026
Up to $4,000 off your solar system
Federal STC rebate (Zone 2) + SA Home Battery Scheme subsidy up to $4,000 for battery storage
Solar in South Australia: Key Facts
Find Your South Australia Suburb
25 suburbs across 2 cities — solar grade on every card
Solar in South Australia: Key Facts
SA Solar Rebates 2026
Federal STC rebate (Zone 2, $3,000–$4,000 off a 6.6kW system) plus the SA Home Battery Scheme — subsidised loans up to $3,000 for battery storage.
View full SA rebate guide →Solar Panel Costs in SA 2026
| System | Cost after STCs | Annual savings | Payback |
|---|---|---|---|
| 5kW | $3,000–$4,000 | $1,100+ | 3–5 yrs |
| 6.6kW ★ | $3,600–$5,600 | $1,700 | 2–5 yrs |
| 10kW | $4,700–$7,200 | $2,400+ | 2–4 yrs |
Frequently Asked Questions
How much do solar panels cost in South Australia?
A 6.6kW solar system in SA costs $3,600–$5,600 after federal STC rebates. South Australia is in Zone 2, qualifying for $3,000–$4,000 off upfront.
What solar rebates are available in South Australia?
Federal STC rebate (Zone 2, $3,000–$4,000 off 6.6kW) plus the SA Home Battery Scheme which offers subsidised loans up to $3,000 for battery storage.
Is solar worth it in South Australia?
Yes — SA has 5.1h average daily sun and some of Australia's highest electricity rates. A 6.6kW system saves $1,700/year with payback in 2–4 years.