UNDERSTAND YOUR SOLAR BEFORE YOU BUY YOUR SOLAR.
Solar education, digital tools and practical guidance designed to help India make smarter renewable energy decisions.
Free to start · No credit card required · Built for India
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Solar in India
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The basics every Indian solar buyer should know, written for Indian bills, roofs and rules. Fill a quick form and the PDF opens instantly.
Solar Starter Guide
Understand solar before you buy it: system types, components, the Indian rooftop journey, subsidies at a glance, a first size and savings estimate, and the questions that protect you.
How to Read Your Electricity Bill
Units, slabs, fixed charges, sanctioned load and net metering: turn your DISCOM bill into the numbers that size your solar and predict your real savings.
Sun, Site & Shade
Irradiance, peak sun hours, tilt, direction and shadows: how to judge an Indian roof or plot before a single panel is installed.
Electricity Basics for Solar
Volts, amps, watts, kW vs kWh, AC vs DC: the numbers on every bill, panel, inverter, battery and quotation, explained from zero for Indian homes and farms.
Showing 4 of 8 free guides. The Solar Library has 22 more in-depth guides from ₹49.
Open the Solar Library (30 guides)Get Paid to Go Solar
The Indian government offers massive subsidies for solar. Check what you qualify for — free, in 2 minutes.
PM Surya Ghar
Up to ₹78,000 subsidy for rooftop solar on your home. Central government scheme — apply directly through your DISCOM.
- First 2 kW: ₹30,000 per kW
- 3rd kW: ₹18,000
- Up to ₹78,000 (₹85,800 in hill and NE states)
PM-KUSUM
Solar pumps with the cost shared by the centre and your state: the farmer usually pays at most 40% (20% in hill and north-eastern states). No diesel, no pump electricity bill.
- Standalone and grid-connected pumps
- Apply only on official .gov.in portals
- Current phase ends 31 March 2027; PM-KUSUM 2.0 coming
State Subsidies
Some states add their own top-up on top of the central scheme. Rules change, so check your state before you sign.
- State top-ups where offered
- Net metering rules by state
- Accelerated depreciation for businesses
No sign-up needed · Instant result · 100% free
What Son of Surya Offers
Everything you need to go solar — from free guides to engineer-verified project reports.
Solar Digital Library
30+ expert guides covering every aspect of solar — from basics to advanced engineering.
Solar Calculator
Calculate your solar savings, system size, and payback period in minutes.
Solar Shop
Buy solar panels, inverters, pumps, and accessories — curated for Indian conditions.
Why Son of Surya?
We exist to make solar understandable, accessible, and actionable for every Indian.
Plain Language
No jargon. Every guide is written so a farmer in Vidarbha or a homeowner in a tier-3 town can understand it.
India-First
Dust, heat, monsoons, voltage fluctuations, PM Surya Ghar subsidies — everything is designed for real Indian conditions.
Honest & Transparent
We state our assumptions clearly, tell you what we don't know, and never exaggerate what our tools can do.
Three Ways to Go Solar with Us
Solar Digital Library
30+ practical guides covering rooftop solar, subsidies, EPC evaluation, solar pumps, and more — written for Indian conditions.
Solar & Energy Gadgets
Curated solar panels, inverters, pumps, and accessories — tested and recommended for Indian homes and farms.
Solar Project Passport
Quote on requestGet a free self-assessment or an engineer-verified project report with DISCOM-ready documents for your rooftop or farm.
Built for Every Indian Going Solar
Whether you're a farmer, homeowner, contractor, or student — Son of Surya has something for you.
Farmers
Solar pumps, agri-energy guides, and PM-KUSUM subsidy navigation.
Homeowners
Rooftop solar, PM Surya Ghar subsidies, and EPC quotation evaluation.
EPC Contractors
Design guides, plansets, and technical resources for installers.
Students & Researchers
Solar fundamentals, irradiance data, and renewable energy resources.
Featured Solar Products
Handpicked solar gadgets and equipment for Indian homes, farms, and businesses.
A renewable village economy, starting on the Konkan and Goa coast.
Energy, farming, water, skills and community work, built with local people and partners. Physical projects begin in mid-2027.
BUILDING THE SON OF SURYA COMMUNITY
Son of Surya is at the beginning of its journey. Genuine customer experiences and project stories will be published here as the community grows — with full permission from each contributor.
Transparent Methodology
Every calculation and estimate clearly states its assumptions and limitations. We never hide how we arrive at a number.
Structured Solar Education
Guides are built around a logical learning path — from understanding solar basics to evaluating EPC quotations and applying for subsidies.
Official-Source Subsidy Information
Subsidy details are sourced directly from MNRE, PM Surya Ghar, and state DISCOM portals — not third-party summaries.
Practical Checklists
Every guide includes actionable checklists so you know exactly what to do, what to ask, and what to watch out for.
Clear Assumptions & Limitations
Our tools provide estimates and guidance. We are clear about where professional verification or a site survey is still required.
Founder Transparency
Son of Surya is built by Ninad — a Mechanical Engineering graduate currently studying Renewable Energy Systems in Germany. No hidden team, no exaggerated credentials.
India-First Approach
Every guide, tool, and product recommendation is designed for Indian conditions — dust, heat, monsoons, voltage fluctuations, and the Indian subsidy landscape.
The Son of Surya App Is Coming
Get early access, exclusive solar tips, and a launch discount — straight to your inbox.
- Live solar savings calculator
- Personalised installation guides
- System performance monitoring
- Community of solar adopters
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New guides, scheme updates, and solar tips — delivered to your inbox.