UTL vs Waaree Solar Panels: Efficiency and Warranty

Waaree’s 700 Wp TOPCon bifacial module lists a 12-year product warranty and a 30-year power warranty at 22.32% efficiency. UTL’s 545 W TOPCon bifacial panel lists a 30-year performance warranty at 22.74%, and its 630 Wp G12R TOPCon panel lists 23.32%. For a subsidised home system, DCR status matters more than either figure: the Waaree module we compared is non-DCR, and UTL lists DCR TOPCon modules at 580 W and 625 W.

At a glance

From each brand’s published figures, checked 15 September 2026
	UTL	Waaree
Model compared	545 W TOPCon bifacial; 630 Wp G12R TOPCon bifacial	700 Wp TOPCon bifacial
Module efficiency	22.74%; 23.32%	22.32%
Power warranty	30 years performance (545 W)	30 years power output
Product warranty	Not listed for these models; 10 years on UTL’s 520 W DCR panel	12 years
DCR	DCR TOPCon at 580 W and 625 W; the 630 Wp is non-DCR	The 700 Wp model is non-DCR
Also sells	Inverters, PCUs, batteries, charge controllers, kits	Inverters, accessories, rooftop kits

Module efficiency of TOPCon panels, as published

UTL 630 Wp G12R TOPCon Bifacial, non-DCR 23.32%
UTL 545 W TOPCon Bifacial 22.74%
Waaree 700 Wp TOPCon Bifacial, non-DCR 22.32%

The gap is about one percentage point. That saves a little roof space but doesn't change the system size.

Show as a table

Module efficiency of TOPCon panels, as published	Efficiency
UTL 630 Wp G12R TOPCon (Bifacial, non-DCR)	23.32%
UTL 545 W TOPCon (Bifacial)	22.74%
Waaree 700 Wp TOPCon (Bifacial, non-DCR)	22.32%

Choose UTL if

You want DCR TOPCon panels for a subsidised home system, from the same brand as your inverter and battery.
Roof space is tight, where the higher listed efficiency helps a little.

Choose Waaree if

You need a 700 Wp class module for a large commercial roof, and the product warranty term matters most to you.

Sources

UTL: 630 Wp TOPCon, 545 W TOPCon, 520 W DCR and the panels guide, from UTL’s specifications
Waaree: 700 Wp TOPCon bifacial module, checked 15 September 2026

Questions we are asked

Is UTL or Waaree better for solar panels?

On the TOPCon models we compared, both list a 30-year power warranty, and UTL's models list slightly higher efficiency: 23.32% and 22.74%, against 22.32% for Waaree's 700 Wp module. Waaree's module is the larger one, at 700 Wp.

Is the Waaree 700 Wp panel DCR?

The Waaree 700 Wp TOPCon module we checked is listed as non-DCR. For a subsidised home system, check that the exact model is DCR and ALMM-listed before buying.

Which panel is right for PM Surya Ghar?

Any brand's DCR panel on the ALMM list qualifies. UTL lists DCR TOPCon modules at 580 W and 625 W.