RSK Solar Energy
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UTL vs Adani Solar panels

Adani Solar makes panels. UTL makes panels too, along with the inverters, batteries and charge controllers that go with them. On the panels themselves, the published figures are close.

Updated 15 September 2026

Adani’s Shine TOPCon series (610 to 640 Wp) lists up to 22.3% efficiency, a 30-year power warranty and 0.40% degradation a year, in DCR and non-DCR versions. UTL’s 630 Wp G12R TOPCon panel lists 23.32%, and its 545 W TOPCon panel 22.74% with a 30-year performance warranty. The bigger difference is what else each company sells. Adani Solar’s product page lists PV modules only, while UTL supplies the inverter, battery and charge controller as well.

At a glance

From each brand’s published figures, checked 15 September 2026
UTLAdani Solar
Model compared630 Wp G12R TOPCon; 545 W TOPConShine TOPCon series, 610 to 640 Wp
Module efficiency23.32%; 22.74%Up to 22.3%
Power warranty30 years performance (545 W)30 years on power, 0.40% degradation a year
DCRDCR TOPCon at 580 W and 625 WDCR and non-DCR offered
Also sellsInverters, PCUs, batteries, charge controllers, kitsPV modules only, on the product page we checked

Module efficiency of TOPCon panels, as published

  • UTL 630 Wp G12R TOPCon Bifacial, non-DCR 23.32%
  • UTL 545 W TOPCon Bifacial 22.74%
  • Adani Shine TOPCon 610 to 640 Wp 22.3%
About one percentage point separates the three. On a home roof that comes to a few square feet, and the system size stays the same.
Show as a table
Module efficiency of TOPCon panels, as publishedEfficiency
UTL 630 Wp G12R TOPCon (Bifacial, non-DCR) 23.32%
UTL 545 W TOPCon (Bifacial) 22.74%
Adani Shine TOPCon (610 to 640 Wp) 22.3%

Why a one-brand system can matter

When panels, inverter and battery come from one brand, the brand’s own kits match the voltages and currents, and one warranty process covers the lot. With Adani panels, the inverter and battery come from someone else, which works well as long as the installer matches them properly.

Choose Adani Solar if

  • You only need panels, and you already have an inverter and battery you are happy with.
  • A 610 to 640 Wp module suits your roof layout.

Choose UTL if

  • You want the whole system from one brand, matched in UTL’s own kits.
  • You want DCR TOPCon panels for a subsidised home system, alongside a UTL inverter.

Sources

Questions we are asked

Is Adani or UTL better for solar panels?

On TOPCon panels both list a 30-year power warranty. UTL's models list slightly higher efficiency, 23.32% and 22.74%, against up to 22.3% for Adani's Shine TOPCon series. Adani lists 0.40% degradation a year.

Does Adani Solar sell inverters?

Adani Solar's product page lists PV modules only, so a system built with Adani panels uses an inverter and battery from another brand.

Are Adani panels DCR?

Adani lists both DCR and non-DCR TOPCon modules. For the PM Surya Ghar home subsidy, the panel must be DCR and ALMM-listed.