How much solar do I need for my Chennai home?
A simple walkthrough to translate your TANGEDCO bill into the right-sized rooftop system — and why "bigger is always better" is a myth.
PM Surya Ghar: the subsidy, explained
Up to ₹78,000 off your rooftop solar system. Who qualifies, how to apply, and what the process actually looks like on the ground in Tamil Nadu.
Net metering in Tamil Nadu: how it really works
Your solar panels can earn you credits from TANGEDCO — here's the exact process, timeline, and what to watch out for.
Solar vs diesel generator: the 25-year math
For businesses with backup power needs, the numbers are surprising. We ran the full cost comparison over 25 years including fuel, maintenance, and opportunity cost.
5 maintenance tips that extend solar panel life
Your system will last 25+ years — but only with a little care. Simple habits (and a few things to avoid) that keep output high and warranties intact.
Commercial ROI case study: Guindy textile factory
A 120 kW installation, full cost breakdown, and the exact month the system paid for itself. A transparent look at commercial solar economics.
Do you actually need a solar battery?
Batteries sound great until you see the price tag. Here's when they pay off for Chennai homes — and when net metering is the smarter bet.
Solar for apartment societies: a practical guide
Common-area power, lifts, water pumps — how apartment societies in Chennai are cutting costs and what approvals you'll need from the association.
Solar water heaters: worth it in Chennai?
Cheaper than rooftop PV, faster payback, and ideal for Chennai's climate. Why every Chennai home with a geyser should at least consider one.
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