Solar rebates & savings in Perth.
Perth enjoys some of the highest generation per kW of any capital. WA's Distributed Energy Buyback Scheme also rewards evening exports, making batteries especially valuable.
Perth sits in STC Zone 3, while WA's vast north climbs into Zones 1 and 2.
2026 solar rebates in Western Australia
With Perth in STC Zone 3, here's the approximate federal STC rebate by system size this year. The rebate shrinks each year toward the 2030 scheme end, so installing sooner locks in more.
| System size | STCs | Est. STC rebate |
|---|---|---|
| 6.6 kW | 45 | $1,710 |
| 10 kW | 69 | $2,622 |
| 13.2 kW | 91 | $3,458 |
| + 13.5 kWh battery | Federal | $3,402 |
Estimates only, based on an STC price of $38 and 5-year deeming. Confirmed at installation.
WA Residential Battery Scheme rebate (Synergy/Horizon network areas).
View official schemeWhat you'll generate
Near Perth, expect roughly 4.4 kWh per kW each day — about 10,600 kWh a year from a 6.6 kW system, avoiding around 6,996 kg of CO₂. Grid power costs about 30c/kWh here, so self-consuming that solar is where the savings come from.
Solar in other states
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