Is Rooftop Solar Really Worth It in Bihar?
With Bihar enjoying over 300 sunny days a year and power tariffs steadily rising across SBPDCL and NBPDCL circles, rooftop solar is now one of the highest-yielding household investments available, delivering risk-free tax-free annual returns of 25% to 35% on invested capital.
On-Grid vs Off-Grid vs Hybrid: Which Should You Choose?
- On-Grid (Most Popular & Subsidy Eligible): Directly connected to the power grid without expensive batteries. 100% eligible for the ₹78,000 PM Surya Ghar subsidy. Best for urban and suburban areas with consistent grid availability.
- Hybrid: Grid-connected with lithium battery backup. Keeps lights and fans running during night blackouts while allowing grid net-metering.
- Off-Grid: Completely independent with lead-acid/lithium battery bank. Ideal for remote rural farmhouses without reliable DISCOM grid connectivity.
Panel Warranties: 25-Year Performance Guarantee
Premium mono PERC modules come with a 10 to 12-year product warranty and a 25 to 30-year linear power performance warranty (guaranteeing at least 80–84% efficiency after 25 years of continuous operation).
Maintenance & Panel Cleaning in Bihar’s Climate
Solar panels have no moving parts. The only routine maintenance required is washing the panels with clean water once every 10 to 14 days to remove dust and bird droppings. Shree Laxmi Traders includes a dedicated water connection tap in our installation layout.
How to Get Started Today
Contact our engineering desk at +91 9153941645 or book a free on-site roof survey to evaluate your roof structure, shadow profile, and electricity bill savings.