NT STC Rebate Calculator: Solar & Battery Incentives
How STCs Work in Northern Territory
Darwin and the Top End are in Zone 1 (factor 1.622), the highest STC zone in Australia. 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.
The Northern Territory receives the highest STC values in Australia due to exceptional solar irradiance in tropical regions.
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NT STC Zone Factors
Darwin and the Top End are in Zone 1 (factor 1.622), the highest STC zone in Australia
Feed-in Tariffs in Northern Territory
Northern Territory retailers offer some of the highest feed-in tariffs in Australia, ranging from 9.3 to 11.0 c/kWh. Combined with Zone 1 STC values, the NT offers exceptional solar returns.
NT offers both the highest STCs (Zone 1) and highest feed-in tariffs in Australia. Compare rates at EnergyMadeEasy.gov.au.
STC Rebates in Darwin
A 6.6 kW solar system installed in Darwin (postcode 870) in 2025 will generate 64 STCs, worth approximately $2,432. This rebate is deducted directly from your installation cost upfront.
Darwin's STC Zone Factor
Darwin is located in Zone 1 with a rating factor of 1.622. This is the highest STC zone in Australia, offering maximum rebate value due to exceptional solar irradiance.
Darwin is in Zone 1, the highest STC zone in Australia, offering maximum rebate value due to exceptional tropical solar irradiance.
Why Solar Works Well in Darwin
Darwin receives an average of 8.4 hours of sunshine per day, providing excellent conditions for solar energy generation. A 6.6 kW system typically generates 26-30 kWh per day in Darwin, which covers most household electricity needs.
With the STC rebate reducing upfront costs, Darwin households typically see payback periods of 2-4 years for solar systems.
STC Rebates in Alice Springs
A 6.6 kW solar system installed in Alice Springs (postcode 870) in 2025 will generate 64 STCs, worth approximately $2,432. This rebate is deducted directly from your installation cost upfront.
Alice Springs's STC Zone Factor
Alice Springs is located in Zone 1 with a rating factor of 1.622. This is the highest STC zone in Australia, offering maximum rebate value due to exceptional solar irradiance.
Alice Springs is in Zone 1, offering the highest STC values in Australia due to central desert location with exceptional solar irradiance.
Why Solar Works Well in Alice Springs
Alice Springs receives an average of 8.8 hours of sunshine per day, providing excellent conditions for solar energy generation. A 6.6 kW system typically generates 28-32 kWh per day in Alice Springs, which covers most household electricity needs.
With the STC rebate reducing upfront costs, Alice Springs households typically see payback periods of 2-4 years for solar systems.
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