Installers size in pairs (2 panels minimum). At 550 W: 2 panels = 1.1 kW, 4 panels = 2.2 kW, 6 panels = 3.3 kW. Example 3-pair system: 6 panels (3.3 kW).
Free TNEB solar calculator for Tamil Nadu homes
UB Solars helps you size a rooftop solar system from your bimonthly TNEB bill or units. Get an instant kW recommendation, PM Surya Ghar subsidy estimate, EMI comparison, and post-solar bill savings — built for Tamil Nadu LT domestic tariffs. No signup required.
- Convert bill amount or units into recommended solar kW and panel count
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