Plain-English explainers from an energy engineer who doesn't sell panels. Read these, run the calculator, then talk to vendors knowing your numbers.
Credible ALMM brands, Mono PERC vs TOPCon, on-grid vs hybrid — and what actually matters when choosing.
Read the guide →Lithium vs lead-acid, credible brands, the inverter-compatibility trap, and why prices are ranges to verify.
Read the guide →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.