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Goldi Solar vs Longi Solar - solar panel manufacturer comparison

Goldi Solar
India Founded 2011 Tier 1
Read the Goldi Solar review
VS
Longi Solar
China Founded 2000 Tier 1
Read the Longi Solar review
At a glance

Longi Solar has the broader catalog (255 vs 145 models). Longi Solar leads on peak efficiency at 25.00%. Goldi Solar leans bifacial (79% of lineup).

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
145 255
Highest power
715 Wp 670 Wp
Best efficiency
23.0% 25.0%
Average efficiency
21.2% 22.6%
Bifacial share
79% 40%
Average warranty
28 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
Goldi Solar

Goldi Solar is a leading Indian solar PV module manufacturer and EPC service provider committed to accelerating the transition to sustainable energy. Established in 2011 and headquartered in Surat, Gujarat, the company offers cutting-edge solar solutions that power industries, businesses, and communities across more...

Founded
2011
Headquarters
Surat, India
Annual capacity
15.2 GW/year
Employees
250-499 Employees
Tier 1 bankable
Yes
Longi Solar

LONGi Green Energy Technology Co., Ltd. is a world-leading solar technology company that manufactures monocrystalline silicon wafers and modules. The company is committed to providing high-efficiency and reliable clean energy solutions for large-scale power plants, various industries, and households. LONGi aims to be...

Founded
2000
Headquarters
Xi'an, Shaanxi, China
Annual capacity
85-90 GW/year
Employees
37,853
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Goldi Solar Longi Solar
Catalog & Power
Panel Models 145 255+110
Max Power 715 W+45 W 670 W
Avg Power 513 W 544 W+31 W
Efficiency
Max Efficiency 23.03% 25.00%+1.97 pp
Avg Efficiency 21.16% 22.65%+1.49 pp
Reliability & Warranty
Avg Temp Coefficient -0.326%/°C -0.291%/°C+0.035
Bifacial Share 115 (79%)+40 pp 101 (40%)
Avg Warranty 27.6 yrs 27.8 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

Longi Solar skews to higher efficiency: 43% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Longi Solar offers more 600W+ panels (38% of lineup)

Goldi Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (74%)

Longi Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>N-type</strong> (42%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Goldi Solar is an Indian manufacturer headquartered in Surat, Gujarat, founded in 2011 by Ishver Dholakiya and now India's largest solar PV module producer, with reported annual manufacturing capacity of approximately 15.2 GW across multiple plants in Gujarat. A 1.2 GW TOPCon cell line is targeted for commissioning by early 2026. The company earned BloombergNEF Tier 1 bankability status in 2020 and was named a Kiwa PVEL Top Performer in 2024, a designation shared by roughly 50 manufacturers globally. LONGi Solar was founded in 2000 in Xi'an, Shaanxi, China, and operates on a fundamentally different scale - it shipped over 125 GW of monocrystalline wafers and more than 67 GW of modules in 2024, and holds a rare double Tier 1 from BloombergNEF covering both modules and energy storage. Approximately one in every four solar panels deployed globally originates from LONGi's factories. By any institutional measure, LONGi is the dominant player.

Goldi Solar's product lineup addresses residential, commercial, and utility-scale markets. Its HELOC Pro series is built on mono PERC technology, the HELOC Plus series incorporates TOPCon cells, and its newest IBC back-contact modules reach efficiencies up to 24.6%. The company exports to more than 20 countries including the USA, Germany, and UAE, with India as its core market. LONGi's current flagships are the Hi-MO 9 - optimized for utility-scale ground-mount at up to 670 W and 24.8% efficiency using proprietary HPBC 2.0 back-contact technology - and the Hi-MO X10 for C&I and residential rooftop applications. A lightweight Hi-MO X10 variant targets structurally constrained commercial roofs, while the EcoLife series covers residential distributed generation. LONGi also holds world records in HIBC cell efficiency and silicon-perovskite tandem technology.

For most international buyers, LONGi is the more defensible default: its scale, sustained Tier 1 recognition, and consistent PVEL Top Performer scores make project financing and lender approval more straightforward. Goldi Solar is a compelling alternative for buyers where Indian-origin supply chains carry regulatory or tariff advantages - a genuine differentiator in certain procurement frameworks - or where competitive PERC and TOPCon pricing on mid-scale projects is the primary criterion. Outside those specific contexts, the two brands are not yet interchangeable, though Goldi Solar's rapid capacity growth and improving certification record are narrowing the gap.

Generated by Claude Sonnet · 2026-05-26

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 174 Longi Solar 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.