Surya Udyan Blog
Solar Guides
Practical answers on rooftop solar, subsidy and savings for homes, shops and farms in Uttar Pradesh.
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
PlanningRooftop Solar Installation Process: Step by Step
From the first site survey to net metering and subsidy, here is how a rooftop solar installation works step by step for homes in Uttar Pradesh.
2 October 2026 · 7 min read
PlanningCommon Mistakes When Buying Rooftop Solar
Avoid the usual rooftop solar buying mistakes: choosing only on price, skipping the survey, unclear warranties and paying everything upfront.
29 September 2026 · 7 min read
PlanningRoof Assessment Checklist Before Installing Solar
A simple checklist to judge your roof for solar: usable area, shade, direction, strength, waterproofing and access, before you request quotations.
26 September 2026 · 10 min read
BusinessRooftop Solar for Shops and Small Offices
How shops, clinics and small offices can plan rooftop solar: daytime load, tariff, sanctioned load, DISCOM approval and rented-roof questions.
23 September 2026 · 8 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
MaintenanceSolar Panel Lifespan and Degradation in India
How long rooftop solar panels last, how much output they lose each year, what speeds up wear and how to protect your system over 25 years.
17 September 2026 · 7 min read
PlanningHow to Read Your Electricity Bill Before Going Solar
Learn which numbers on your electricity bill matter for solar sizing: units, sanctioned load, tariff slab, fixed charges and seasonal patterns.
14 September 2026 · 7 min read