Solar ROI in 2026: Will Your System Pay Back in 3 Years or Take 5?
When you invest ₹1 lakh in a Fixed Deposit, you earn ~7% interest (and pay tax on it).Put ₹1 lakh in gold, you might see 8–10% appreciation (with volatility).But when you invest ₹1 lakh in rooftop solar, what do you really get? As engineers, we trust numbers. As homeowners, we value certainty.Financially speaking, rooftop solar […]
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