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GCL vs Vikram Solar - solar panel manufacturer comparison

GCL
China Founded 1990 Tier 1
Read the GCL review
VS
Vikram Solar
India Founded 2005 Tier 1
Read the Vikram Solar review
At a glance

GCL has the broader catalog (232 vs 202 models). GCL leads on peak efficiency at 24.50%.

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
232 202
Highest power
740 Wp 735 Wp
Best efficiency
24.5% 23.7%
Average efficiency
22.0% 21.4%
Bifacial share
65% 74%
Average warranty
28 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
GCL

GCL is a global company focusing on green energy and high-efficiency photovoltaic materials. They are known for their innovation in polysilicon and wafer technologies, with a focus on low-carbon solutions. GCL is committed to building a low-carbon PV value chain and advancing global clean energy transformation.

Founded
1990
Headquarters
Suzhou/Hong Kong, China
Annual capacity
30+ GW/year
Employees
6000+
Tier 1 bankable
Yes
Vikram Solar

Vikram Solar Limited is a leading Indian solar photovoltaic (PV) module manufacturer and solar solutions provider. They offer engineering, procurement, construction (EPC), and operations & maintenance (O&M) services for solar plants. The company manufactures high-efficiency solar PV modules and has a pan-India...

Founded
2005
Headquarters
Kolkata, India
Annual capacity
9.5 GW/year
Employees
1,895
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric GCL Vikram Solar
Catalog & Power
Panel Models 232+30 202
Max Power 740 W+5 W 735 W
Avg Power 558 W+5 W 553 W
Efficiency
Max Efficiency 24.50%+0.81 pp 23.69%
Avg Efficiency 22.03%+0.58 pp 21.45%
Reliability & Warranty
Avg Temp Coefficient -0.320%/°C+0.014 -0.334%/°C
Bifacial Share 151 (65%) 150 (74%)+9 pp
Avg Warranty 28.4 yrs 28.6 yrs+0.3 yr

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

GCL skews to higher efficiency: 28% of lineup is 23%+

Power spread
Share of each catalogue in every power band

GCL offers more 600W+ panels (44% of lineup)

GCL cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (47%)

Vikram Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (75%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

GCL is a Chinese manufacturer founded in 2006 and headquartered in Suzhou, Jiangsu Province, operating under the umbrella of GCL Technology Holdings (listed on the Hong Kong Stock Exchange). The company built its position from the bottom of the solar supply chain upward, becoming one of the world's largest producers of polysilicon and silicon wafers before expanding into finished modules through its GCL System Integration subsidiary. Annual module capacity stands at approximately 30 GW, with shipments of roughly 25 GW recorded in 2024 - placing it among the top producers globally by volume. A significant caveat, however, is that GCL's module division does not appear on BloombergNEF's Tier 1 bankability list, which can complicate project financing in markets that treat that classification as a prerequisite. Vikram Solar, founded in 2005 and headquartered in Kolkata, India, presents a contrasting profile: it holds confirmed BloombergNEF Tier 1 status and earned a Top Performer designation in the 2025 PVEL Module Reliability Scorecard. Following major capacity expansions through 2025 - including the commissioning of a 5 GW facility in Tamil Nadu - Vikram Solar's total nameplate capacity reached approximately 9.5 GW. On institutional credibility and independent quality validation, Vikram Solar holds the stronger footprint.

GCL's current module portfolio has transitioned predominantly to N-type TOPCon, with its Lotus series supplanting the earlier GEMINI lineup. The company is also investing in perovskite PV at commercial scale, having commissioned a 1 GW perovskite module factory - an early-mover bet that distinguishes it from most peers. GCL's scale and vertical integration make it most compelling as a supplier for very large utility-scale ground-mount projects where upstream cost advantages translate directly into competitive module pricing. Vikram Solar's Eldora and Somera product families span a broader range of use cases, from residential rooftop installations through commercial and industrial (C&I) deployments to large utility-scale arrays. Manufacturing lines at its Indian facilities support both TOPCon and HJT cell technologies, giving buyers flexibility depending on site conditions and efficiency targets.

For most international buyers, Vikram Solar is the more bankable default choice. Its Tier 1 status removes a common obstacle in project finance, and its Indian manufacturing base positions it favorably in markets seeking to diversify supply chains away from Chinese producers - a growing consideration in Europe and other regions navigating tariff exposure. GCL remains a cost-competitive option for buyers who can manage the financing implications of its absent Tier 1 classification, particularly on very large utility-scale procurement where volume pricing carries the most weight. The two brands are not interchangeable: the financing and supply-chain calculus tips meaningfully toward Vikram Solar across most project contexts outside of pure cost-driven bulk utility procurement.

Generated by Claude Sonnet · 2026-05-28

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 6 GCL offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.