Surya Udyan Blog
Basics
Plain-language explainers on solar panel types, inverters, batteries, warranties and system types so you can read a quotation with confidence.
On-Grid vs Off-Grid vs Hybrid Solar: Which Is Right?
A plain comparison of on-grid, off-grid and hybrid solar systems: cost, battery needs, power cuts and subsidy eligibility for homes in Uttar Pradesh.
26 October 2026 · 6 min read · Read guide →
BasicsSolar Battery Sizing for Hybrid Systems: A Simple Guide
How to estimate battery size for a hybrid solar system: list essential loads, count running hours, and understand cost, life and what to back up.
17 October 2026 · 7 min read
BasicsSolar Warranty Explained: Panels, Inverter and Workmanship
Understand the four warranties that come with rooftop solar, product, performance, inverter and installation, and what to get in writing before you pay.
8 October 2026 · 7 min read
BasicsSolar Panel Types: Mono PERC, TOPCon and Polycrystalline
A plain comparison of monocrystalline, PERC, TOPCon and polycrystalline solar panels, and what actually matters when you compare quotations for your roof.
5 October 2026 · 7 min read
BasicsHow to Choose a Solar Inverter for Your Home
What a solar inverter does, how to size it against your panels, string vs micro inverters, and the warranty and service questions to ask before you buy.
20 September 2026 · 8 min read
BasicsRooftop Solar Safety: Earthing and Lightning Protection
Why earthing, surge protection and lightning arrestors matter for rooftop solar, and what to check in your installation before and after commissioning.
18 August 2026 · 8 min read
BasicsCommon Solar Myths and Facts for Indian Homes
Clear answers to common rooftop solar myths: cloudy weather, maintenance, power cuts, bills and lifespan, written for homeowners in Uttar Pradesh.
3 August 2026 · 7 min read