Technical guides
Solar knowledge centre
These notes explain how rooftop solar equipment behaves. They are for a homeowner who wants to ask better questions. They are not a design for your roof, and they are not instructions to open electrical equipment.
Solar panel technology
Cells, module types, efficiency, heat, degradation, and why DCR matters for the central scheme.
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Solar inverter guide
The inverter turns panel current into household current and decides what happens when the grid fails.
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Solar structure and mounting
The structure holds the modules to the roof. Its size is an engineering result, not a catalogue guess.
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Solar wiring and protection
Direct current from the roof and alternating current in the house are protected differently.
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Earthing and lightning protection
Three different jobs are often mixed up: equipment earth, functional earth, and a lightning path.
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Net metering
A way to account for electricity you still buy and electricity you are allowed to send out.
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Solar system maintenance
A short routine catches dust, loose parts, and a silent inverter before they become a lost year.
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Solar panel cleaning
Dust is a real loss in central India. The cleaning method should not crack the glass or electrify the roof.
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Solar system safety
The array is a power source whenever the sun is on it. Treat it that way.
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