NSW STC Rebate Calculator: Solar & Battery Incentives
How STCs Work in New South Wales
Primarily Zone 3 (factor 1.382) in Sydney and coastal areas, with Zone 2 (factor 1.536) in some regional areas. The number of STCs you receive depends on your specific postcode's zone factor, your system size, and the installation year. STCs are claimed by your installer and the rebate is deducted directly from your system price upfront.
STC Calculator
NSW STC Zone Factors
Primarily Zone 3 (factor 1.382) in Sydney and coastal areas, with Zone 2 (factor 1.536) in some regional areas
Feed-in Tariffs in New South Wales
Feed-in tariffs in New South Wales are set by individual energy retailers, typically ranging from 4 to 10 cents per kilowatt-hour. Most retailers offer flat-rate feed-in tariffs, though some provide time-of-use rates that pay more during peak demand periods.
Compare current feed-in tariff offers from NSW retailers to maximize your solar savings. Compare rates at EnergyMadeEasy.gov.au.
STC Rebates in Sydney
A 6.6 kW solar system installed in Sydney (postcode 2000) in 2025 will generate 54 STCs, worth approximately $2,052. This rebate is deducted directly from your installation cost upfront.
Sydney's STC Zone Factor
Sydney is located in Zone 3 with a rating factor of 1.382. This provides strong STC rebate values for solar installations.
Why Solar Works Well in Sydney
Sydney receives an average of 7.2 hours of sunshine per day, providing excellent conditions for solar energy generation. A 6.6 kW system typically generates 22-26 kWh per day in Sydney, which covers most household electricity needs.
With the STC rebate reducing upfront costs, Sydney households typically see payback periods of 3-5 years for solar systems.
STC Rebates in Newcastle
A 7.0 kW solar system installed in Newcastle (postcode 2300) in 2025 will generate 58 STCs, worth approximately $2,204. This rebate is deducted directly from your installation cost upfront.
Newcastle's STC Zone Factor
Newcastle is located in Zone 3 with a rating factor of 1.382. This provides strong STC rebate values for solar installations.
Why Solar Works Well in Newcastle
Newcastle receives an average of 7.0 hours of sunshine per day, providing excellent conditions for solar energy generation. A 7.0 kW system typically generates 21-25 kWh per day in Newcastle, which covers most household electricity needs.
With the STC rebate reducing upfront costs, Newcastle households typically see payback periods of 3-5 years for solar systems.
STC Rebates in Wollongong
A 6.6 kW solar system installed in Wollongong (postcode 2500) in 2025 will generate 54 STCs, worth approximately $2,052. This rebate is deducted directly from your installation cost upfront.
Wollongong's STC Zone Factor
Wollongong is located in Zone 3 with a rating factor of 1.382. This provides strong STC rebate values for solar installations.
Why Solar Works Well in Wollongong
Wollongong receives an average of 6.8 hours of sunshine per day, providing excellent conditions for solar energy generation. A 6.6 kW system typically generates 20-24 kWh per day in Wollongong, which covers most household electricity needs.
With the STC rebate reducing upfront costs, Wollongong households typically see payback periods of 4-6 years for solar systems.
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