20 kW solar: explore the numbers.
Build your own cost and generation scenario. System size must be assessed against your roof and usage.
Build a planning range.
Illustrative model v1 — not researched Australian market prices. Replace the example rate with a real written quote. No rebate is assumed.
State does not change this model. Network, roof access, wiring, removal and switchboard work need separate quotes.
- Solar base
- 20 × $1,000 × 1 × 1 = $20,000
- Planning uncertainty
- ±20% of solar base (hypothetical)
- Battery allowance
- $0
- Automatic incentives
- None deducted
Your solar, your assumptions.
Explore an illustrative scenario. These defaults are examples, not local irradiation measurements, market prices or a personalised prediction.
Self-used 6,500 kWh · Exported 16,860 kWh
20 kW × 4 hours × 365 × 0.8 performance. Savings use A$0.3/kWh import and A$0.05/kWh export.
Illustration only. Excludes finance, degradation, tariff changes and export curtailment. A professional site design is required.
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