RSK Solar Energy

UTL vs Loom Solar panels

Loom Solar's SHARK 625 Wp TOPCon lists 23.25% efficiency against 23.32% on UTL's 630 Wp. Level for practical purposes. Loom lists 15 years of product warranty, UTL 10.

Updated 27 September 2026

Loom Solar is a Faridabad brand selling panels, batteries and inverters, including through its own website. The panels compare closely with UTL’s, so the rest of the purchase decides it: who installs the system, and who takes it through the subsidy paperwork.

At a glance

From each brand’s published figures, checked 27 September 2026
UTLLoom Solar
Module compared630 Wp G12R TOPConSHARK 625 Wp, N-type TOPCon G12R
Module efficiency23.32%23.25%
Performance warranty30 years (UTL TOPCon modules)30 years
Product warranty10 years (UTL’s 520 W DCR panel)15 years

Module efficiency of TOPCon panels, as published

  • UTL 630 Wp G12R TOPCon Bifacial 23.32%
  • Loom SHARK 625 Wp N-type TOPCon, G12R 23.25%
  • UTL 545 W TOPCon Bifacial 22.74%
The top two are a few hundredths of a point apart.
Show as a table
Module efficiency of TOPCon panels, as publishedEfficiency
UTL 630 Wp G12R TOPCon (Bifacial) 23.32%
Loom SHARK 625 Wp (N-type TOPCon, G12R) 23.25%
UTL 545 W TOPCon (Bifacial) 22.74%

Choose Loom Solar if

  • You want the longer product warranty, 15 years against UTL’s 10.

Choose UTL if

Where RSK Solar Energy fits

RSK Solar Energy is a UTL Solar distributor in Mohali and installs across the Tricity. We do not stock Loom Solar. The solar calculator gives the system size your bill needs, and we can quote it installed.

Sources

Questions we are asked

Which is more efficient, UTL or Loom Solar?

They are level for practical purposes. Loom's SHARK 625 Wp N-type TOPCon lists 23.25%. UTL's 630 Wp G12R TOPCon lists 23.32%.

What warranty do Loom Solar panels carry?

Loom lists a 15-year product warranty and a 30-year performance warranty on the SHARK 625 Wp. 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 Loom Solar?

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