Skip to content

Guide Articles

44 articles · solar inverter guide content from Qbits Energy.

Guide articles are practical, process-level walkthroughs for solar buyers and installers — how much electricity solar generates state-wise, EPC procurement and sourcing, on-grid vs hybrid vs off-grid decisions, reading your monitoring app, maximising output in Indian climate, and the tax and depreciation benefits available to commercial buyers. This is the category for readers who already understand the basics and need a complete, step-by-step answer to a specific real-world question, whether that's a CAPEX vs OPEX decision for a C&I buyer or how long solar batteries actually last under Indian heat and cycling conditions.

Guide articles

Guide June 5, 2026 19 min

How Does a Solar Inverter Work? 2026 Guide

A solar inverter converts DC electricity from solar panels into AC power your home uses. Learn the 5-stage conversion process, inverter types, and how MPPT maximises yield.

Guide June 5, 2026 16 min

How Long Do Solar Batteries Last in India?

How long solar batteries last in India depends on rated cycles at a stated depth of discharge, temperature and cycles per year. The 4-Factor Battery Lifespan Calculator, with two dated listings and a lead-acid heat rule.

Guide June 5, 2026 15 min

How Long Does Solar Installation Take in India?

How long solar installation takes in India: the six stages, who is responsible for each, and what to get in writing. Physical installation is short; DISCOM approval and the subsidy credit vary by DISCOM.

Guide June 5, 2026 16 min

How Much Electricity Does Solar Generate in India?

How much solar energy is generated in India varies by state. Rajasthan yields about 1,650–1,850 kWh/kW/year and Kerala about 1,140–1,370 kWh/kW/year at a performance ratio of 0.78. Use this state-wise guide to calculate your system's output.

Guide June 5, 2026 16 min

How Does a Solar Power System Work in India?

How does a solar power system work? Sunlight hits PV panels, DC flows through the inverter converting to 230 V AC, powers appliances, and surplus exports via the net meter to the grid.

Guide June 5, 2026 16 min

How to Read Your Solar Monitoring App

How to read your solar inverter monitoring app India: today's generation, grid export, self-consumption ratio, inverter temperature, MPPT voltage, and 6 daily numbers that matter.

Guide June 5, 2026 17 min

How to Maximise Solar Output in Indian Climate

Maximise solar output in India by tuning tilt angle for your latitude, cleaning at the right frequency, eliminating shade, and using AI monitoring to catch losses early.

Guide June 5, 2026 17 min

Off-Grid Solar Battery Bank Sizing for India

Size your off-grid solar battery bank in India with the 5-Step Battery Bank Formula: daily load × autonomy days ÷ DoD + 20% heat buffer. Worked example for a rural Indian home included.

Guide June 5, 2026 17 min

On-Grid vs Hybrid vs Off-Grid: Decision Guide

On grid vs hybrid vs off grid: choose the right solar inverter type for your home or business in India using our 3-Question framework and region-wise guidance.

Guide June 5, 2026 14 min

Solar CAPEX vs OPEX: Which Model Fits Your Business?

Own the system or buy its power under a PPA? A decision matrix, a worked 100 kW model with formulas, and the sensitivity to tariff, cost, tax position and PPA escalation that decide which model fits a business.

Guide June 5, 2026 17 min

Solar for Rented Homes: What Tenants Can Do

Solar for rented home India: tenants have 4 realistic options, portable kits, balcony panels, negotiating with the landlord, or a solar UPS. Standard rooftop solar needs landlord permission.

Guide June 5, 2026 16 min

Solar Investment vs Fixed Deposit, Which Wins?

Solar vs FD investment in India: a subsidised 3 kW system models at about 32% IRR at ₹8/unit (17% without subsidy) vs an FD's 7.5%, but FD is liquid and solar is not. The maths and trade-offs.

Guide June 5, 2026 17 min

Solar IRR and Payback for C&I in India, Real Math

Solar IRR calculation India for C&I: an illustrative 100 kW Karnataka system at ₹55 lakh capex shows about 17.7% IRR and a 5.7-year payback with 40% accelerated depreciation. Full 5-line business case inside.

Guide June 5, 2026 16 min

Solar Performance in Indian Winters, What to Expect

Solar performance in winter India drops 20–30% below summer peaks due to lower sun angles and shorter days, but cold air actually improves panel efficiency. Here is the full picture by region.

Guide June 5, 2026 17 min

Solar RESCO Model India: Guide for C&I Buyers

Solar RESCO model India lets C&I buyers get rooftop solar with zero upfront cost: the RESCO owns the system and you pay a PPA tariff below your grid rate. Full PPA guide inside.

Guide June 5, 2026 16 min

What to Expect in Year 1 of Solar Ownership India

Solar Year 1 in India: DISCOM delays in Month 1, first net metering bill in Month 2, monsoon dip in Month 6, and annual review in Month 12. The Solar Year-1 Calendar explained.

Guide June 5, 2026 16 min

What Is Solar Energy, Beginner's Guide for India

What is solar energy? It is electricity generated from sunlight using photovoltaic cells. India gets 300 sunny days a year, making solar one of the smartest investments for homeowners.

Guide June 5, 2026 18 min

Zero Cost Solar India: RESCO & OPEX Models

Zero cost solar India via RESCO: pay a PPA tariff below your grid rate with no upfront capex. Understand PPA contracts, OPEX models, and the RESCO Due Diligence Checklist.

Guide May 11, 2026 12 min

Solar Inverter Grounding, India EPC Safety Guide

Proper grounding protects equipment, people, and warranty validity in every solar PV installation. Here is the complete grounding framework aligned to IS 3043 and CEA Regulations 2013 - covering earthing fundamentals, conductor sizing, electrode design, SPD integration, hybrid system requirements, and the 8 mistakes that void warranties.

Guide May 11, 2026 12 min

Solar Inverter Integration, 7-Phase EPC Setup Guide

Grid instability, voltage fluctuations, and diverse state-by-state DISCOM regulations make proper inverter integration the make-or-break execution phase for every Indian solar project. Here is the complete 7-phase integration framework EPCs use to turn design into a reliable 25-year operational asset.

Guide April 8, 2026 12 min

Solar EPC India: Guide for Installation Companies

A full-lifecycle EPC playbook for Indian solar projects, covering site assessment, engineering design, procurement, installation, commissioning, monitoring, and warranty management.

Guide April 4, 2026 10 min

Solar Inverter Certifications: 9 Standards to Verify

BIS certification is mandatory. Skipping verification can cost ₹1–10 lakhs in penalties, blocked DISCOM connections, voided warranties, and lost subsidies. Here's the 9-standard verification framework.

Frequently Asked Questions

How is Guide different from Buying Guide?
Buying Guide focuses specifically on purchase decisions. Guide covers the broader set of practical, process-level questions that come up before, during, and after a solar installation.
Are these guides India-specific?
Yes — every guide is written for Indian grid conditions, climate, and regulatory context (state-wise generation data, IST-specific commissioning steps, Indian tax rules) rather than generic global content.