Guides, minus the jargon
Short, honest reads — including the caveats dealers won't lead with.
PM Surya Ghar: the rooftop solar subsidy, explained
PM Surya Ghar: Muft Bijli Yojana is the central scheme that makes residential rooftop solar dramatically cheaper. The s…
Is your roof solar-ready? A 5-minute check
Shade is the killer. Stand on your terrace at 10 am, noon and 3 pm - water tanks, parapets, taller neighbours and even …
Net metering, in plain words
Net metering is the arrangement that makes on-grid solar pay. Your meter counts in both directions: solar you consume d…
On-grid, off-grid, hybrid - which solar is for you?
On-grid is the default for city homes: panels + inverter tied to the grid, net metering, no batteries. Cheapest per kW,…
Rainwater harvesting at home: storage vs recharge
Every millimetre of rain on one square metre of roof is one litre of water. Delhi NCR's ~790 mm year means a 100 sqm ro…
The honest truth about rooftop wind in the city
Small wind is real technology - on the right site. The physics is unforgiving: power scales with the cube of wind speed…