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Solar 101

Residential Rooftop Solar

Learning Center

Your hub for all things Solar. From blogs and new articles to insights on applications, benefits and all topics under the sun.

Solar installers working on rooftop with solar panels

Solar Components: Quality & Impact

How Solar works. It's financial and environmental advantages.

Solar Basics
Residential house with solar panels on red-tiled roof

On-Grid & Off-Grid Solar System: What's the Difference and How to Choose the Best Setup for You?

How Solar works. It's financial and environmental advantages.

Solar Basics
Cost savings and ROI analysis for solar energy

Solar Cost & Savings Guide for Homes in India 2026

How Solar works. It's financial and environmental advantages.

Cost & Savings
5 kW solar system cost breakdown and pricing in Bangalore

How much does a 5 kW solar system cost in Bangalore in 2026?

Complete pricing guide for 5 kW systems: ₹1.9-3.5 lakh typical range, expected production & ROI.

Cost & Savings
3 kW solar panel price in Delhi with subsidy

3 kW Solar Panel Price in Delhi With Subsidy (2026 ROI Guide)

Complete guide to 3 kW solar pricing in Delhi with subsidy - ₹1.2-1.4L effective cost, monthly savings & ROI.

Cost & Savings
Government subsidies and incentives for solar energy

Government Subsidies for Solar Panels in India

Explore available government incentives and subsidies for solar installations.

Subsidies
Karnataka solar subsidy and government schemes guide

Karnataka & central schemes for home solar: what Bangalore homeowners should know (2026)

Complete guide to PM Surya Ghar subsidy, BESCOM net metering, eligibility criteria, and application process.

Subsidies
Solar system powering air conditioner in Bangalore

Can a 5 kW solar system run a 1.5-ton AC in Bangalore?

Simple calculations showing if 5 kW solar can power your AC - panel counts, battery sizing & practical advice.

System & Usage
Solar panel count calculator for 3-BHK homes and 10kW systems

How many solar panels do I need to run a typical 3-BHK house in Bangalore?

Panel count guide for 3-BHK homes (9-23 panels) and 10 kW systems (28-30 panels) with roof area estimates.

System & Usage
Solar battery sizing guide for Bangalore homes

How much battery do I need with a solar system in Bangalore?

Simple battery sizing guide with exact calculations - from basic backup (₹67k) to whole-home (₹3.7L).

System & Usage
Running AC on solar power - 2026 guide

Solar AC 2026: Can Your Home Run AC on Solar Comfortably?

Learn how many panels you need, system size, costs & tips to run 1–2 ton ACs comfortably on solar power at home.

System & Usage
Solar panel performance during Bangalore monsoon and seasons

Do solar panels work in Bangalore's monsoon and winter?

Seasonal performance guide - production drops in monsoon but systems still work. Get monthly expectations & maintenance tips.

Performance & Design
Solar panel angle and direction guide for India

Solar Panel Angle in India: What's the Most Efficient Direction?

City-wise tilt angles, south-facing orientation guide, seasonal adjustments & practical installation tips for maximum efficiency.

Performance & Design
Solar installation and maintenance process

Introduction to Arkahub's Digital Solar Process

Learn about the installation process and how to maintain your solar system.

Maintenance & Lifespan
Solar panel maintenance checklist and service guide

Solar maintenance checklist for Bangalore homeowners - keep panels productive for 25+ years

Simple monthly checks & annual inspections to keep your solar system running smoothly. DIY tips & AMC plans included.

Maintenance & Lifespan
Solar panel lifespan and warranty guide

How long do solar panels last, and what does a 20-year warranty cover?

25+ year lifespan explained - performance vs manufacturing warranties, degradation rates & claim process.

Maintenance & Lifespan
Solar Maintenance Guide for Summer 2026

Complete Solar Maintenance Guide Before Summer 2026

Get your solar panels summer-ready! Cleaning, inspections, inverter checks & tips to boost efficiency.

Maintenance & Lifespan
8 common solar panel mistakes and how to fix them

Why Your Solar Is Not Working Properly - 8 Common Mistakes

Discover 8 common mistakes that stop solar from working properly, and learn how to fix them for better generation & ROI.

Troubleshooting
Solar energy - India's fuel of the future

Why Solar Energy is Becoming India's Fuel of the Future

Discover why solar is rapidly becoming India's fuel of the future - falling costs, government support, climate goals & job creation.

Energy Future
On-Grid vs Hybrid Solar System comparison for Indian homes

On-Grid vs Hybrid Solar System: Explained for Indian Homes

Compare on-grid vs hybrid solar: costs, benefits, net metering & which is best for Indian homes in 2026.

Solar Basics
How to Pick the Right Solar Installer

How to Pick the Right Solar Installer (Red Flags Included)

Learn what to look for in a solar provider, key qualifications, and red flags to avoid before signing.

Solar Basics
Lithium-Ion vs Lithium Phosphate battery comparison for solar

Lithium-Ion vs Lithium Phosphate Batteries: What Should You Choose in 2026?

Compare Li-NMC vs LiFePO4 batteries for solar: cost, safety, lifespan & which is best for Indian homes.

System & Usage
5 kW Solar System ROI with PM Surya Ghar Subsidy

5 kW Solar System ROI - Real Savings After PM Surya Ghar Subsidy

Calculate your 5 kW solar ROI after subsidy: payback in under 5 years, ₹10-14 lakh lifetime savings for Indian homes.

Cost & Savings
3 kW Solar Panel Price in Bangalore 2026

3 kW Solar Panel Price in Bangalore With Subsidy (2026 Update)

Latest 3 kW solar pricing for Bangalore: ₹92K-1.2L after subsidy, BESCOM net metering, 3-4 year payback.

Cost & Savings
Why 2026 Is India's Biggest Rooftop Solar Year

Why 2026 Is India's Biggest Rooftop Solar Year Yet

Discover what's driving India's rooftop solar boom in 2026-subsidies, cheaper panels, supportive policies.

Energy Future
How to Finance Solar in 2026

How to Finance Solar in 2026 - Loans, BNPL, No‑Cost EMI Explained

Learn how to finance solar using green loans, BNPL, and no-cost EMI schemes to make clean energy affordable.

Cost & Savings
Future of Peer to Peer Energy Trading in India

Future of Peer to Peer Energy Trading in India

A big shift is unfolding in India’s power sector. Learn how P2P trading will allow homeowners to monetize surplus solar energy.

Energy Future
PM Surya Ghar subsidy guide 2026

PM Surya Ghar Subsidy 2026: How to Claim ₹78,000 for Your Home Solar Installation

Step-by-step guide to claim up to ₹78,000 under PM Surya Ghar Muft Bijli Yojana — eligibility, subsidy slabs, required documents, and how to apply.

Subsidies
Rooftop solar cost for villa and independent house India 2026

How Much Does Rooftop Solar Cost for a Villa or Independent House in India in 2026?

Actual system-wise pricing for 3–10 kW systems, component breakdown, net cost after subsidy, and payback period for villa and independent house owners.

Cost & Savings
On-grid vs hybrid solar system comparison for Indian homes

On-Grid vs Hybrid Solar: Which System Makes Sense for Your Home?

Real differences in cost, backup capability, ROI, and payback between on-grid and hybrid solar — with a clear decision framework for Indian homeowners.

Solar Basics
How to choose the right solar company for your home India

How to Choose the Right Solar Company for Your Home: 7 Questions to Ask Before You Sign

7 essential questions every homeowner must ask before choosing a solar installer — with red flags to watch out for and a summary checklist.

Solar Basics
Solar panel maintenance guide for Indian homeowners

Solar Panel Maintenance: What Actually Needs to Be Done and How Often?

Complete maintenance calendar for Indian rooftop solar — monthly, six-monthly, annual, and 5-year tasks, with DIY vs professional breakdown and AMC guide.

Maintenance & Lifespan
Rooftop solar for EV owners India - smartest upgrade after electric car

EV Owners: Why Rooftop Solar Is the Smartest Upgrade After Your Car

How net metering makes solar + EV the perfect pairing — real cost-per-km savings, combined savings calculator, and 3.5-year payback example for villa owners.

Cost & Savings
Net metering India - how solar panels earn you money

Net Metering in India: How Solar Panels Earn You Money Even When You’re Not Home

How net metering works, how billing credits reduce your electricity bill, and what Karnataka and Telangana homeowners need to know about the process.

Solar Basics
Custom rooftop solar mounting structures India

Custom Rooftop Solar Mounting Structures: Why the Right Frame Makes All the Difference

Guide to 5 mounting structure types for Indian homes — flat RCC, sloped, terrace, and specialty roofs — with cost comparison and site assessment checklist.

Performance & Design
Solar panels during India monsoon - performance guide

Solar Panels During India’s Monsoon: What Actually Happens to Your System?

Regional monsoon output data, how rain naturally cleans panels, temperature benefits, and the pre- and post-monsoon maintenance checklist for Indian homeowners.

Performance & Design
Solar ROI calculator and payback period India

Solar ROI Calculator: How to Calculate Your Payback Period and Real Returns

Step-by-step payback and ROI formulas with worked examples for 3, 5, and 8 kW systems — including tariff escalation impact and investment comparison table.

Cost & Savings
Bangalore homeowners comparing residential rooftop solar installer quotations

Best Residential Rooftop Solar Installers in Bangalore (2026): Reviews & Comparison

Compare confirmed Bangalore rooftop solar installers on BESCOM handling, warranty, maintenance, and real customer reviews—including what homeowners discuss on Reddit.

Solar Basics
Bangalore rooftop solar home with a bidirectional BESCOM meter

BESCOM Net Metering for Rooftop Solar in Bangalore: How It Works (2026)

Understand BESCOM's rooftop solar application, bidirectional meter, commissioning timeline, export settlement, and current Karnataka policy.

Solar Basics
Arkahub rooftop solar customer experiences in Bangalore

Arkahub Reviews: Real Bangalore Solar Customer Experiences

Read named Arkahub rooftop solar reviews from Bangalore customers and learn how to cross-check experiences across Reddit, Google, and Quora.

Solar Basics
Checklist for evaluating a residential rooftop solar installer in India

Residential Solar Installer Evaluation Checklist (MNRE, India 2026)

Six checks to run before you sign - MNRE registration, itemised quote, subsidy filing, warranties, maintenance and track record.

Solar Basics
Comparison of leading residential solar panel brands in India

Best Residential Solar Panel Brands in India (2026): Modules & TopCon Compared

Waaree, Tata, Vikram and Adani compared, plus TopCon vs Mono PERC - and why the installer matters more than the badge.

Solar Basics
Indian homeowner reviewing rooftop solar options with bill, roof plan, and quote comparison

How to Buy Rooftop Solar for Your Home in India

A homeowner framework for buying rooftop solar - size by bill, compare DCR vs non-DCR, check financing, and shortlist the right company.

Solar Basics
Homeowner reviewing rooftop solar size options for present use and future EV charging

How to size home solar for future EV charging

Size your system by monthly bill, then plan for EV charging - why 5 kW is often the practical starting point for EV ready homes.

System & Usage
Home rooftop solar setup planned for one or two AC loads

Best solar setups for running one or two ACs at home

One AC usually points to 3-4 kW, two ACs to 6 kW - sizing by bill, daytime cooling hours, roof area and inverter fit.

System & Usage
Homeowner comparing rooftop solar system sizes for an Indian home

How to choose 2 kW to 7 kW home solar in India

Match system size to your bill, roof area, family use and appliances - with a scoring matrix to settle 2 kW vs 3 kW vs 5 kW vs 7 kW.

System & Usage
Homeowner reviewing solar savings, payback, and EMI in one dashboard

Why Arkahub shows solar savings, payback, and EMI together

Why monthly savings, payback period and EMI belong in one view - and how to judge solar affordability before picking a system size.

Cost & Savings
Indian homeowner reviewing solar EMI plan options on a tablet at a kitchen table

Best practices for choosing a solar EMI plan that supports cash flow

How to pick a solar EMI plan that matches your electricity bill - tenure tradeoffs, down payment, subsidy timing, and red flags to avoid.

Cost & Savings
Indian homeowner reviewing solar financing options on a tablet with rooftop solar panels visible in the background

Best solar financing options for homeowners in India

Upfront purchase, no cost EMI, bank loans, or subsidy plus EMI - compare all four solar financing paths and find the one that fits your electricity bill.

Cost & Savings
Indian homeowner at a laptop applying for government solar subsidy with rooftop panels in the background

How to apply for government solar subsidy in India step by step

Step-by-step guide to the PM Surya Ghar subsidy - portal registration, MNRE vendor selection, DISCOM inspection, and how the subsidy is disbursed.

Subsidies
Hyderabad homeowner reviewing a rooftop solar proposal checklist on a sunny terrace

What Hyderabad homeowners should clarify before finalising a rooftop solar plan

A checklist for Hyderabad homeowners comparing rooftop solar proposals - sizing, approvals, roof use, output guarantees, and support before you sign.

Solar Basics
Indian homeowner comparing solar payment options on a tablet at a rooftop with solar panels

How to decide between paying upfront and choosing EMI for rooftop solar

Compare upfront payment vs EMI for rooftop solar in India - cash flow, payback period, subsidy timing, and total cost side by side.

Cost & Savings
Homeowner reviewing a solar proposal document with EMI and payback details on a table

The mistake of treating EMI affordability as proof that a solar proposal is sound

A low EMI does not prove a solar proposal is sound - check component quality, warranty ownership, and payback period before you sign.

Cost & Savings
Indian homeowner reviewing solar system sizing options on a rooftop

What size solar system do I need for my home in India

Find the right solar system size for your home using your electricity bill, appliance load, roof area, and future plans.

System & Usage
Indian home with rooftop solar panels and an electric car charging in the driveway at dusk

When a 5 kW home solar system is enough for light EV charging

A scenario-based guide to when a 5 kW rooftop solar system covers light EV charging in India, and when you need 7 kW instead.

System & Usage

Get the highest payback for the lowest amount.

Just a few quick details and we'll show you how to cut costs, not comfort.

How much was your last electricity bill?

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My electricity bill last month
₹5,000