RSK Solar Energy

UTL vs Goldi Solar panels

The two are close, with a small trade between them. UTL's 630 Wp TOPCon lists 23.32% efficiency, Goldi's 565 to 595 Wp TOPCon range runs from 21.87% to 23.03%, and Goldi lists 12 years of product warranty against 10 on UTL's.

Updated 27 September 2026

Goldi Solar is a Surat module maker selling TOPCon panels across India. Its efficiency depends on which wattage in the range you are quoted, so check the exact watt rating on the quote before comparing.

At a glance

From each brand’s published figures, checked 27 September 2026
UTLGoldi Solar
Module compared630 Wp G12R TOPCon144-cell TOPCon, 565 to 595 Wp
Module efficiency23.32%21.87% to 23.03%, rising with wattage
Performance warranty30 years (UTL TOPCon modules)30 years linear performance
Product warranty10 years (UTL’s 520 W DCR panel)12 years, material and workmanship

Module efficiency of TOPCon panels, as published

  • UTL 630 Wp G12R TOPCon Bifacial 23.32%
  • Goldi TOPCon, 595 Wp Top of the 565 to 595 Wp range 23.03%
  • UTL 545 W TOPCon Bifacial 22.74%
  • Goldi TOPCon, 565 Wp Bottom of the range 21.87%
Goldi's figure depends on the wattage quoted, so both ends of its range are shown.
Show as a table
Module efficiency of TOPCon panels, as publishedEfficiency
UTL 630 Wp G12R TOPCon (Bifacial) 23.32%
Goldi TOPCon, 595 Wp (Top of the 565 to 595 Wp range) 23.03%
UTL 545 W TOPCon (Bifacial) 22.74%
Goldi TOPCon, 565 Wp (Bottom of the range) 21.87%

Choose Goldi Solar if

  • You want the longer product warranty, 12 years against UTL’s 10.

Choose UTL if

  • You want the highest efficiency of the models compared here, or the panels, inverter and battery from one brand.
  • You need DCR panels for the PM Surya Ghar subsidy. See DCR and non-DCR panels for what the certificate means.

Where RSK Solar Energy fits

RSK Solar Energy is a UTL Solar distributor in Mohali. We do not stock Goldi, so we can quote the UTL side. Start with the solar calculator for the system size.

Sources

Questions we are asked

Which is more efficient, UTL or Goldi Solar?

On the models compared here, UTL, by a small margin. UTL's 630 Wp G12R TOPCon lists 23.32%. Goldi's 144-cell TOPCon range lists 21.87% at 565 Wp up to 23.03% at 595 Wp.

What warranty do Goldi Solar panels carry?

Goldi lists 12 years on product material and workmanship and 30 years on linear performance for its TOPCon range. UTL lists 10 years product warranty on its 520 W DCR panel and 30 years on performance for its TOPCon modules.

Does RSK Solar Energy sell Goldi Solar?

No. RSK Solar Energy is a UTL Solar distributor. We can quote UTL panels and help you compare them with a Goldi quote.