KNOWLEDGE HUB

Solar, Explained Honestly

Subsidy walkthroughs, engineering deep-dives, and real project economics — written by the team that builds the systems.

Brief

ALMM List-I vs List-II Decoded — What Each Rule Actually Requires

Two different ALMM lists, two different components, two different deadlines. A short, plain reference to which rule applies to your project — and which does not.

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Guide

Net Metering vs Gross Metering by State: MSEDCL, UPPCL, BESCOM & TANGEDCO Compared

The three metering models exist everywhere — but the capacity band, banking rules, and buyback rate your specific DISCOM actually applies decide what your solar exports are really worth.

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Guide

On-Grid vs Hybrid vs Off-Grid Inverters: Which One Actually Fits Your Power Cuts

Three fundamentally different architectures, not just three price points. The one most first-time buyers get wrong: assuming "on-grid" means backup power during a cut.

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Guide

Rooftop Solar Structural Safety: What the Wind-Load Numbers Actually Mean

A panel’s Pa rating and a structure’s km/h rating measure two different things — and the anchoring underneath both is usually the actual weak link.

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Guide

Is Solar Battery Storage Worth It in India? The Real Math

Net metering already banks your surplus solar with the grid in most states — so a battery is really paying for backup and timing, not extra bill savings. Illustrative numbers using a real, reviewed battery.

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Brief

Non-DCR Solar for Businesses: The 31 December 2026 Deadline

Commercial and industrial net-metering projects can use imported-cell panels only until 31 December 2026. From 2027, ALMM List-II applies.

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Brief

PM Surya Ghar Subsidy: Why the March 2027 Deadline Changes Your Timeline

The ₹78,000 central subsidy is sanctioned only through FY 2026-27. Here is what the 31 March 2027 window means for when you should actually apply.

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Guide

Accelerated Depreciation: The 40% Tax Lever Behind MSME Solar

A profitable business can write down 40% of a solar asset in year one. How accelerated depreciation reshapes commercial payback — and who can actually claim it.

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Guide

Net Metering, Gross Metering & Net Billing: Which One Applies to You

The metering model your DISCOM offers decides how much your solar exports are actually worth. The three models, in plain language.

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Guide

How to Read a Solar Quotation Without Getting Overcharged

Two quotes for “the same” 5 kW system can differ by ₹1 lakh. The line items that actually explain the gap — and the ones designed to hide it.

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Guide

PM Surya Ghar Muft Bijli Yojana: The Complete 2026 Guide

How Indian homeowners can claim up to ₹78,000 in central subsidy for rooftop solar — eligibility, documents, and the exact application flow.

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Guide

Why Housing Societies Are Switching to 100+ kW Solar Plants

Common-area electricity is the second-largest expense for most societies. A 163 kW rooftop array changes that equation permanently.

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Guide

Mono PERC Bifacial vs Standard Panels: What the 11% Gain Really Means

Bifacial modules harvest reflected light from their rear face. Here is when that translates into real generation — and when it does not.

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