Solar knowledge for Indian homes & businesses.
Guides, subsidy explainers and ROI know-how from our engineering team.
Harnessing the Power of the Sun: A Beginner's Guide to Solar Energy
A complete beginner's guide to solar energy in India — how photovoltaics work, the parts of a rooftop system, on-grid vs off-grid vs hybrid, net metering, real costs, subsidy and payback, and how to choose an installer.
Read article →Commercial & Industrial Rooftop Solar in Surat: A Buyer's Guide
A practical guide to commercial and industrial rooftop solar for factories and businesses in Surat and Gujarat — why C&I solar pays, demand charges, CAPEX vs OPEX, net metering, ESG value, how to size a factory roof, and what a turnkey C&I EPC actually delivers, with real local examples.
8 min readHow to Choose the Best Solar EPC Installer in Gujarat
Choosing the best solar EPC company in Gujarat? Here are the criteria that actually matter — true EPC accountability, ISO certification, ALMM/DCR compliance, bankable engineering, in-house teams, real track record and O&M — plus the red flags and the exact questions to ask before you sign.
8 min readHow AI-Optimised Design Gets More Power From Your Solar Roof
AI-optimised solar design simulates thousands of layouts to maximise yield per square foot and per rupee. Here's how SilInfra uses AI design, predictive O&M, drone-and-AI inspection and live monitoring to squeeze more generation out of every panel for 25 years.
8 min readRooftop Solar in Gujarat (2026): Costs, Subsidy, Net Metering & Payback
A complete 2026 guide to rooftop solar in Gujarat — system costs by size, PM Surya Ghar subsidy, Torrent and GEB net metering, generation, payback, residential vs C&I, and how to choose an installer. From a Surat-based solar EPC company.
7 min readSolar + Battery Storage for Businesses: Peak Shaving & Backup
Commercial battery storage (BESS) explained for Indian businesses — how peak shaving cuts demand charges (with a worked example), backup without diesel, round-the-clock renewables, microgrids, sizing to your load curve, the economics, and safety.
7 min readOpen Access Solar in Gujarat: Power Your Business from Off-Site Solar
A practical guide to open access solar in Gujarat for C&I consumers — how power wheeling works, who qualifies, the charges involved, how it compares to rooftop, and how to combine it with on-site solar and storage to cut industrial energy costs.
8 min readALMM List-II Explained: What the New Solar Cell Rules Mean for Indian Projects (2026)
ALMM List-II brings the Approved List of Models & Manufacturers down to the solar cell level. Here's what List-I vs List-II means for rooftop, C&I and utility solar in India and Gujarat — procurement, pricing, compliance and how to stay eligible.
6 min readSolar for Factories & Manufacturing Units: A Complete Guide
Industrial solar for factories and manufacturing units — cut energy costs, tame demand charges with storage, match generation to load, choose CAPEX or OPEX, meet ESG and export needs, and pick the right EPC. A complete guide for factories in Gujarat and across India.
8 min readDCR vs Non-DCR Solar Panels: What It Means for Your PM Surya Ghar Subsidy
DCR (Domestic Content Requirement) panels are mandatory for the PM Surya Ghar rooftop subsidy. Understand DCR vs non-DCR modules, where each is used, the cost difference, how DCR interacts with ALMM, and how to stay subsidy-eligible in Gujarat and across India.
6 min readGround-Mount vs Rooftop Solar: Which Is Right for You?
Ground-mount vs rooftop solar compared in depth — cost, generation and tilt, land vs roof, maintenance access, scale, subsidy eligibility, and when to combine both. A practical decision framework for homes, factories and land-owning businesses.
8 min readNet Metering in Gujarat: How It Works with Torrent & GEB
Net metering in Gujarat explained — how exporting solar to Torrent Power and GUVNL/GEB credits your bill, the bidirectional meter, system-size limits vs sanctioned load, the application process, billing examples and stacking with subsidy.
7 min readBattery Storage: Powering Solar Projects and Saving Costs
How battery energy storage (BESS) turns intermittent solar into firm, dispatchable power in India — peak shaving, demand-charge savings, backup, round-the-clock renewables, sizing and payback explained by a Surat solar EPC.
7 min readPM-KUSUM Scheme: Solar for Farmers & Agricultural Pumps Explained
PM-KUSUM explained for farmers — Components A, B and C, how to solarise irrigation pumps, set up grid-connected solar for extra income, who qualifies, subsidy support and how to apply. From a Gujarat solar EPC company.
7 min readCAPEX vs OPEX Solar: Which Model Is Right for Your Business?
CAPEX vs OPEX solar explained for Indian businesses. Compare upfront ownership against zero-investment PPA/RESCO models — depreciation, cash flow, 25-year savings, contract terms and which suits your balance sheet.
8 min readROI Calculation for Commercial Solar
A step-by-step guide to calculating ROI, payback and IRR for commercial and industrial rooftop solar in India — with a fully worked example, CAPEX vs OPEX, accelerated depreciation, and the impact on demand charges.
7 min readSolar Panel Maintenance (AMC): How to Protect Your Generation
A complete guide to solar O&M and Annual Maintenance Contracts (AMC) in India — what an AMC covers, cleaning frequency, monitoring, drone + AI fault detection, predictive vs reactive servicing, and how to choose the right contract.
8 min readWhat Is Turnkey Solar EPC? Engineering, Procurement & Construction Explained
Turnkey solar EPC means one partner handles engineering, procurement and construction end to end. Learn what each stage involves, why turnkey beats stitching together separate vendors, the full project lifecycle and timeline, and how contracts and warranties de-risk your solar investment.
7 min readSolar Myths Debunked
Solar doesn't work in the monsoon? Panels need constant maintenance? Payback takes decades? We bust ten of the most common myths about rooftop solar in India with real engineering facts.
6 min readWhat Is PM Surya Ghar Muft Bijli Yojana?
The definitive guide to PM Surya Ghar Muft Bijli Yojana — subsidy slabs, eligibility, a step-by-step application walkthrough, expected timeline, the DCR requirement, and how it works for homes and housing societies.
7 min read