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Jasper Solar Journal

Solar, explained for Kerala homes

Clear, practical guides on subsidies, KSEB net metering and choosing the right rooftop system, from our team in Thiruvananthapuram.

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Subsidy4 min read

How to apply for the PM Surya Ghar solar subsidy in Kerala

The seven steps from KSEB registration to the subsidy landing in your bank account, and exactly how much you can get.

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Buying guide3 min read

On-grid vs hybrid vs off-grid solar: which suits a Kerala home?

Highest savings, backup in power cuts or full independence. How to pick the right system for your house.

 Sizing3 min read

How to size a rooftop solar system from your KSEB bill

One simple formula, a ready reckoner table and the roof space you need, using your bimonthly KSEB bill.