Solar Calculator Malaysia 2025 - Updated TNB Tariff

The most accurate solar calculator for Malaysia, updated August 2025 with latest TNB tariff rates. With NEM currently suspended, our calculator factors in potential future NEM policies to provide more relevant estimates. Our calculator uses real TNB billing logic and helps you decide whether to install solar now or wait for new NEM policies.

Accurate Solar ROI Calculator - Post-NEM Analysis
Get precise solar savings estimates using current TNB tariff structure and energy efficiency incentives. Compare battery vs non-battery options and receive expert guidance on optimal installation timing.

💡 If you're not sure, select General tariff as it won't make a big difference in analyzing your solar decision.

💡 Enter your recent monthly TNB bill amount. We'll estimate your kWh usage from this.

Using Default Estimates:

Without Battery:
RM 25,000
With Battery:
RM 42,500
Panels:
12 × 620Wp
Maintenance:
RM 500/year
Peak Sun Hours:
3.5 hours

💡 These are typical market prices for residential solar systems in Malaysia.

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