How Much Can Solar Save You in Sydney?
The average Sydney household uses around 18–28 kWh per day and pays approximately 6c/kWh. At those rates, a properly sized solar system can eliminate 500–80% of your electricity bill — saving $2,800 or more per year.
But averages are misleading. A household that runs ducted air-conditioning will have very different savings to a household on a single-phase connection. That's why SolarBill reads your actual electricity bill — so your recommendation is based on your real usage, not a guess.
Most Common System Size in Sydney
The most popular system size for Sydney households is 10kW — large enough to cover most daytime usage while remaining cost-effective. Higher-usage households often benefit from a 10–16.6kW system.
Battery Storage in Sydney
A 10kWh battery in Sydney typically covers evening usage until around midnight. A 25.6kWh battery provides overnight coverage for most households. NSW feed-in rates are relatively low, making self-consumption via battery more valuable than exporting.
Solar in Sydney — What You Need to Know
Sydney's coastal climate means mild temperatures year-round but summer cooling loads can be significant. A north-facing roof in Western Sydney will outperform an east-facing roof in the Inner West — SolarBill accounts for this in your recommendation.
STC Rebate for Sydney
Sydney sits in STC Zone 3. The STC rebate for a 10kW system in Sydney is currently worth approximately $3,200–$4,000 depending on the current STC price — deducted from your installation cost upfront.
Peak Sun Hours in Sydney
Sydney receives an average of 4.8 peak sun hours per day annually. Summer peaks at around 5.6 hours and winter drops to around 3.6 hours. SolarBill uses your actual location for all calculations.
Get Your Personalised Sydney Solar Recommendation
Upload your Sydney electricity bill and SolarBill will calculate exactly what size system you need — based on your actual usage, your tariff, and Sydney's solar data. Free, instant, no account needed.
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Solar Calculator — Other Australian Cities
SolarBill covers all of Australia. Select your city for location-specific solar data and savings estimates.