I Was Called a Jerk for Saying This in 2014. Maharashtra Just Proved Me Right.
Policy & Regulation

I Was Called a Jerk for Saying This in 2014. Maharashtra Just Proved Me Right.

Maharashtra's solar banking ban and BESS mandate proves what Kunwer Sachdev warned in 2014 — battery storage is non-negotiable for India's solar future. Here's why it matters now.

4 May 2026
Expert Insight: Why 2026 Is the Best Year to Go Solar in India — Hybrid Systems, PM Surya Ghar Subsidies & the Right Inverter Choice
Solar & BESS

Expert Insight: Why 2026 Is the Best Year to Go Solar in India — Hybrid Systems, PM Surya Ghar Subsidies & the Right Inverter Choice

Why 2026 is the best year to go solar in India — hybrid systems, PM Surya Ghar subsidies and how to pick the right inverter. Expert guide by Kunwer Sachdev.

3 May 2026
IGBT vs MOSFET in Inverters: What the Technology Means for You
Expert Insight

IGBT vs MOSFET in Inverters: What the Technology Means for You

IGBT vs MOSFET inverters — what the technology difference actually means for reliability, efficiency and lifespan. Expert breakdown for Indian buyers choosing between inverter models.

2 May 2026
India Built Its First 3-Phase Solar System in 2006 — Su-Kam’s Story Is a Masterclass in Pioneer Engineering
Solar & BESS

India Built Its First 3-Phase Solar System in 2006 — Su-Kam’s Story Is a Masterclass in Pioneer Engineering

India's first 3-phase solar system was built by Su-Kam in 2006 — six years before solar went mainstream. Kunwer Sachdev tells the full engineering story behind this pioneer achievement.

2 May 2026
Lithium vs Lead-Acid Inverter Batteries in 2026: The Complete India Buyer's Guide
Expert Insight

Lithium vs Lead-Acid Inverter Batteries in 2026: The Complete India Buyer's Guide

Lithium vs lead-acid inverter batteries in 2026 — honest comparison of cost, lifespan, charging speed and ROI for Indian homes. Which battery is worth the money?

1 May 2026
How to Prevent Inverter Battery Explosions: Safety Guide for Indian Homes
Expert Insight

How to Prevent Inverter Battery Explosions: Safety Guide for Indian Homes

Why inverter batteries explode and 7 proven ways to prevent battery explosions at home. Essential safety guide for every tubular and lithium battery owner in India.

25 April 2026
Solar Off-Grid vs On-Grid vs Hybrid: Which System Is Right for India?
Solar & BESS

Solar Off-Grid vs On-Grid vs Hybrid: Which System Is Right for India?

Off-grid vs on-grid vs hybrid solar — which system is best for Indian homes in 2026? Expert comparison of cost, subsidy eligibility, backup time and ROI for each setup.

18 April 2026
Best Inverter UPS for Home in India 2026: Complete Buyer’s Guide
Expert Insight

Best Inverter UPS for Home in India 2026: Complete Buyer’s Guide

Complete buyer's guide to the best inverter UPS for Indian homes in 2026. Compare Luminous, Microtek, Su-Vastika — capacity, battery type, price and which brand suits your load.

11 April 2026
Brainy Eco: Solar hybrid PCU That Changed Home Power in India
Solar & BESS

Brainy Eco: Solar hybrid PCU That Changed Home Power in India

Brainy Eco Solar Hybrid PCU — how Kunwer Sachdev's invention changed home power backup in India. The story of the first solar hybrid UPS built for Indian homes.

27 June 2025
“Solar PCU Invented in 2005 by Kunwer Sachdev Paved the Way for India’s Energy Future”
Solar & BESS

“Solar PCU Invented in 2005 by Kunwer Sachdev Paved the Way for India’s Energy Future”

How Kunwer Sachdev invented the Solar PCU in 2005 and set India on the path to energy independence — the untold engineering story behind India's solar revolution.

27 June 2025