Rooftop solar panel installation in Chennai for homes and businesses

Homeowners typically save 70–90% on electricity bills. Exact savings depend on consumption, system size and local tariffs. Sanacara customers usually see complete payback within 4–6 years.

Panels come with a 25-year performance warranty and typically last 25–30 years or more. They are built for hail, strong winds and temperature fluctuations, with performance degradation usually below 0.5% per year.

Panels continue to work on cloudy days at reduced efficiency, around 10–25% of peak output. Grid-tied systems automatically draw grid power when needed, while battery systems can use stored energy.

Battery backup is optional. A battery-free grid-tied system is more economical when the grid is reliable. Storage is useful where power cuts are frequent or when greater energy independence is a priority.

Allow roughly 100 square feet of unshaded roof area per kW. A typical 5kW home system needs about 500 square feet. The site survey determines the best final layout.

Solar needs minimal maintenance: monthly or bi-monthly cleaning and an annual professional inspection are normally sufficient. Sanacara offers cleaning, monitoring and technical-support packages.

Yes, provided roof space and electrical infrastructure allow it. Correctly sizing the system at the beginning is often more cost-effective, so Sanacara considers long-term needs during design.

Net metering lets you export surplus solar energy to the grid for electricity-bill credits. You import electricity at night or during low generation and pay only for the net energy consumed.

Residential installation normally takes 1–3 days. The complete process, including permits, approvals and grid connection, can take 4–8 weeks. Sanacara handles the paperwork and coordination.