Solar insights
What we have learned about choosing, sizing, buying and maintaining solar in India.
Technology / Updates
Your rooftop inverter is now a monitored device. Here is what that means
Inverters supplied under PM Surya Ghar must carry a remote monitoring system, report generation daily through a standard API, and identify themselves by IMEI over an encrypted link. Monitoring has stopped being an optional extra.
23 August 2026
Technology / Updates
17,094 households were asked about rooftop solar. Awareness is no longer the problem
CEEW's June 2026 survey across 22 states found general solar awareness had reached 90 per cent, and households that installed reported an average 71 per cent cut in electricity bills. The barriers that remain are not about knowing solar exists.
23 August 2026
Technology / Updates
The maintenance nobody quoted for: what neglect does to a rooftop system
CEEW research published in June 2026 models what happens when residential rooftop systems are not maintained: payback periods stretching past 25 years, lifetime savings falling to zero, and as much as 80 per cent of capital subsidy wasted.
23 August 2026
Technology / Updates
Is a 5 kW Solar System Right for Your Home?
What 5 kW actually describes, what a rooftop system is made of, and the site and usage factors that decide whether this size suits your home.
18 August 2026