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Solar, explained by the people who install it
Bills, sizing, generation, subsidy and net metering, from real roofs in Bengal.
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How to choose a solar company in Siliguri and North Bengal
Twelve checks that separate a solar company you will still be glad to call in year ten from one you will not. Use them on every quotation, ours included.
Read the articleFrom ingot to cell: how a solar panel is made, and where India stands
Sand to silicon, silicon to wafer, wafer to cell, cell to panel. Which steps India already runs at scale, which it still imports, and what changes for your roof.
Read the articleHow to read your electricity bill before you go solar
Your bill already holds most of the answers about solar. Where to look, what each box means, and the parts of the bill solar will never touch.
Read the articleHow long does a rooftop solar installation take?
The work on the roof is the quick part. Where the time really goes, step by step, and the four things behind most delays.
Read the articleLooking after solar panels through Bengal's seasons
Dust in winter, storms in April, rain in July, fog in December. What each season does to your plant, and the short list of checks that keep it earning.
Read the articlePM Surya Ghar in West Bengal: how it actually works, step by step
The subsidy is generous, but the order of steps matters. The process from portal to payment, and the six mistakes we see most often.
Read the articleRooftop solar for housing societies: what the committee needs to know
Lifts, pumps and corridor lights run on the society's bill. How a common-area plant works, what the subsidy covers, and how to get it through a members' meeting.
Read the articleHow many kW of solar does my home need?
Start with the bill in your drawer, not the size of your terrace. The simple method we use, a ready table, and the mistakes we see most often.
Read the articleHow much electricity does a 1 kW solar plant produce in Bengal?
The honest number, not the brochure number: units per day, month and year for common plant sizes, and why December looks so different from April.
Read the articleDCR vs Non-DCR solar panels: which is right for you?
Pick the wrong one and a home loses its subsidy, or a factory pays for nothing. A one-table answer for every kind of buyer.
Read the articleHow much roof space do you need for a 3 kW, 10 kW or 100 kW solar plant?
Square feet per kW for flat roofs and metal sheds, what eats into usable space, and when an elevated structure saves the day.
Read the articleSizing a factory solar plant in West Bengal: start with your time-of-day bill
For a factory on a time-of-day tariff, when you use power matters as much as how much. Why the peak block is out of solar's reach, and what that does to plant size.
Read the articleNet metering in West Bengal: why a bigger solar plant isn't always better
West Bengal rewrote its rooftop solar rules in 2025. What changed, and the one rule that should decide the size of your plant.
Read the articleHave a question we haven’t answered?
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