Rooftop Solar Guides

Every ChhatSolar guide, grouped by subsidies, costs and sizing, and grid and upkeep.

These rooftop solar guides explain, in plain English, what a home in Noida or Greater Noida needs to know before going solar: the subsidies, the price, the application, net metering with NPCL and PVVNL, and upkeep. Each guide links to its official sources and shows when we last checked it.

Browse rooftop solar guides by topic

  • Subsidies: the central PM Surya Ghar subsidy, the UP state subsidy, and how to apply on the national portal.
  • Costs & Sizing: system prices after subsidy, panel counts, roof space and expected units.
  • Grid & Upkeep: net metering, on-grid versus off-grid systems, and cleaning and maintenance.

New to solar? Start with the PM Surya Ghar subsidy guide, then try the solar cost calculator with your own electricity bill. Every figure in these pages is recorded with its source and the date we checked it, and worked examples are labelled as illustrations rather than quotes. If you spot something out of date, please tell us through the Contact page.

Guides to the money available for home rooftop solar in Noida and Greater Noida: the central PM Surya Ghar subsidy, the Uttar Pradesh state top-up paid by UPNEDA, and a step-by-step walkthrough of applying on the official national portal. Every amount links to its official source and shows when we last checked it.

  • PM Surya Ghar Subsidy: How Much You Get and How It Is Paid

    The central rooftop solar subsidy pays ₹30,000 per kW for the first 2 kW and ₹18,000 for the third, up to ₹78,000. Here is who qualifies and how the money reaches you.

    Last reviewed

    In this guide

    • What the PM Surya Ghar subsidy is
    • PM Surya Ghar subsidy amount by system size
    • Who is eligible for the solar panel for home government subsidy
    • How and when the money reaches you
  • Solar Subsidy in UP: Central and State Amounts for Your Rooftop

    Uttar Pradesh homes can stack a state subsidy of up to ₹30,000 on top of the ₹78,000 central subsidy. We checked whether it was still being paid in 2026.

    Last reviewed

    In this guide

    • The two layers of rooftop solar subsidy in UP
    • Is the UP state subsidy still active in 2026?
    • How the UP state subsidy is paid
    • Solar subsidy in UP for 3kW: worked example (illustrative)
  • How to Apply for PM Surya Ghar Yojana: Step-by-Step Guide

    The ten stages of a PM Surya Ghar application on the official portal, from registering with your mobile number to redeeming the subsidy.

    Last reviewed

    In this guide

    • Before you start: what to keep ready
    • How to apply for PM Surya Ghar Yojana: the steps in order
    • PM Surya Ghar subsidy status check
    • Paying for it: loans through the portal

What a rooftop solar system costs in Noida and Greater Noida before and after subsidy, and how to size one: indicative prices per kW, net cost for common system sizes, the number of panels and the roof area you need, and the units a system can be expected to generate each day and year.

  • 3kW Solar System Price in India with Subsidy: 2026 Breakdown

    What a 3 kW rooftop system costs before and after subsidy, how many panels and how much roof it needs, how many units it makes, and an illustrative payback.

    Last reviewed

    In this guide

    • What a 3 kW system costs before subsidy
    • 3kW solar system price in India with subsidy: the net cost
    • How many solar panels are required for 3kW?
    • 3kW solar system unit per day: how much electricity to expect

How rooftop solar works with the grid and how to look after it: net metering rules for NPCL and PVVNL consumers under UPERC regulations, the differences between on-grid, off-grid and hybrid systems, and practical cleaning and maintenance advice for dusty NCR rooftops.

  • Net Metering in UP: How It Works with NPCL and PVVNL

    How UP's net metering rules credit the solar units you export, why surplus left on 31 March earns only ₹2 a unit, and what NPCL and PVVNL require.

    Last reviewed

    In this guide

    • Net metering meaning, in plain words
    • Who gets net metering in UP
    • How your bill is settled under net metering in UP
    • Net metering vs net billing
  • On-Grid vs Off-Grid Solar System: Which Suits a Noida Home?

    On-grid, off-grid and hybrid systems compared on subsidy, backup, batteries and cost, and why most Noida homes choose on-grid.

    Last reviewed

    In this guide

    • On grid vs off grid solar system: the short comparison
    • How an on-grid system works
    • How an off-grid system works
    • On grid vs off grid vs hybrid: where hybrids fit
  • Solar Panel Maintenance Cost: Cleaning and Upkeep Guide

    What upkeep a rooftop system needs, what the vendor must cover free for five years, how to clean panels safely, and what cleaning costs.

    Last reviewed

    In this guide

    • What maintenance a rooftop solar system needs
    • Solar panel maintenance cost in the first five years
    • After year five: costs that can come up
    • Solar panel cleaning: how to do it safely