Solar Panel Savings Calculator
All calculations run in your browser. No data is uploaded.
Annual generation (kWh)—
Yearly savings—
Subsidy amount—
Net cost—
20-year cumulative—
Payback years—
All calculations happen locally in your browser · CalcGuide
Data Disclosure & Disclaimer
Data source
System cost, electricity rate and subsidy reference NREL 2026 Q3 Solar PV Cost Benchmark. Accessed 2026-09-20.
Last updated
2026-09-20 (Author/Editor: CalcGuide Editorial)
Disclaimer
This tool is for educational and estimation purposes only. It does not constitute energy investment or financial advice. Actual generation depends on sunlight, panel efficiency, inverter performance, and subsidy policy; returns assume an industry-average 0.5%/year degradation. Consult licensed professionals before making any investment decision.