Illustrative scenario — not a Trexon project. The household and the figures below are a worked example using TNB's July 2025 tariff and Solar ATAP rules. They are estimates, not a customer's actual bills.
Scenario Details (hypothetical)
- Location: Puchong, Selangor
- House Type: Semi-D Corner
- System Size: 9.30 kWp
- Monthly Bill (Before): RM 650
The Estimate
- Solar output: about 977 kWh / month (9.30 kWp x 3.5 peak sun hours x 30 days)
- Estimated bill after solar: about RM 298 (assuming 40% of output is used on site and the rest is exported at the Energy Charge; export credit that exceeds the bill is forfeited)
- Estimated monthly saving: about RM352, or about RM4,224 a year
Your own result depends on your usage pattern, roof and tariff. Exported credit cannot be carried over between billing periods.
Next Step
Want to model your own savings? Try our solar calculator to get a personalised estimate. When you're ready, browse our solar packages to find a system sized for your home.
