Frequently asked questions
Find quick answers to the most common questions about our services and support.
We want to help you by giving frequently asked question
How much subsidy can I get for installing a rooftop solar system?
The Central Government offers up to 40% subsidy for systems up to 3 kW. Tamil Nadu also supports net metering, reducing your electricity bills further.
How long does it take to install a solar system in Tamil Nadu?
From approval to installation and commissioning, it usually takes 4–8 weeks, depending on paperwork and net meter availability.
Is net metering available for all customers?
Yes, residential, commercial, and institutional consumers can apply for net metering through TANGEDCO. You must submit an application and get approval before installation.
What is the lifespan of a solar panel system?
Good-quality panels last 25 years or more, with inverters typically lasting 8–12 years before replacement.
