Solar rebates by state — 2026–27
The one rebate everyone gets is federal: the STC discount, already built into any normal quote. On top of that, a shrinking set of state schemes add battery or PV support; several were closed when verified on 17 July 2026. Every scheme carries its verified date.
| State | STC zone | STCs | Discount | State scheme highlights |
|---|---|---|---|---|
| New South Wales | 3 | 45 | $1,796 | Peak Demand Reduction Scheme (PDRS) battery incentive |
| Victoria | 4 | 39 | $1,556 | Solar Victoria solar panel (PV) rebate; Solar Victoria hot water rebate |
| Queensland | 3 | 45 | $1,796 | Federal programs only |
| South Australia | 3 | 45 | $1,796 | REPS VPP incentive |
| Western Australia | 3 | 45 | $1,796 | WA Residential Battery Scheme |
| Tasmania | 4 | 39 | $1,556 | Federal programs only |
| Australian Capital Territory | 3 | 45 | $1,796 | Sustainable Household Scheme |
| Northern Territory | 2 | 50 | $1,995 | Federal programs only |
How the discount varies
- Darwin's Zone 2 rating gives the biggest discount on a 6.6 kW system, 50 STCs ($1,995), against 39 ($1,556) in Melbourne: a gap of $439.
- Deeming steps down every 1 January: the same Darwin system installed in 2027 earns 40 STCs, $399 lower than in 2026.
- The battery factor was set at 6.8 STCs per kWh from 1 May 2026, down from 9.3 in 2025 (−26.9%).
Related
Sources — figures current as at 17 July 2026.
- Clean Energy Regulator — STC calculation & zone ratingsverified
- Ecovantage certificate market update (REC Registry spot)cross-checked
STC spot as at 10 July 2026; the certificate price floats daily near the $40 cap. Scheme status re-checked quarterly.