Plain-English explainers from an energy engineer who doesn't sell panels. Read these, run the calculator, then talk to vendors knowing your numbers.
When solar genuinely pays off, when it doesn't, and the questions to ask before spending a rupee.
Read the guide →Exactly how much you get for 1, 2 and 3 kW, who qualifies, and the state top-ups most people miss.
Read the guide →A realistic price range by system size, what drives it up or down, and your true cost after subsidy.
Read the guide →The back-of-envelope method an engineer uses to match panels to your real usage — no jargon.
Read the guide →The honest math for smaller households — when it still pays off, and when to wait.
Read the guide →How exported units become bill credits, what happens to unused credits, and state differences.
Read the guide →How much upkeep solar really needs, how fast panels degrade, and what protects your investment.
Read the guide →Typical usage patterns by home size, translated into a realistic kW recommendation.
Read the guide →See your system size, cost after subsidy, and payback period in 30 seconds — with every assumption shown.