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Phono Solar vs Vikram Solar - solar panel manufacturer comparison

Phono Solar
China Founded 2004 Tier 1
Read the Phono Solar review
VS
Vikram Solar
India Founded 2005 Tier 1
Read the Vikram Solar review
At a glance

Vikram Solar has the broader catalog (202 vs 174 models). Vikram Solar leads on peak efficiency at 23.69%. Vikram Solar leans bifacial (74% 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
174 202
Highest power
730 Wp 735 Wp
Best efficiency
23.5% 23.7%
Average efficiency
21.8% 21.4%
Bifacial share
43% 74%
Average warranty
27 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
Phono Solar

Phono Solar Technology Co., Ltd. specializes in the research, development, and manufacture of photovoltaic solar panels and is a global provider of solar products and services. The company is affiliated with SUMEC Group, a subsidiary of China National Machinery Industry Corporation (SINOMACH). Phono Solar has been...

Founded
2004
Headquarters
Nanjing, China
Annual capacity
3-4 GW/year
Employees
13000+
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 Phono Solar Vikram Solar
Catalog & Power
Panel Models 174 202+28
Max Power 730 W 735 W+5 W
Avg Power 515 W 553 W+39 W
Efficiency
Max Efficiency 23.50% 23.69%+0.19 pp
Avg Efficiency 21.77%+0.32 pp 21.45%
Reliability & Warranty
Avg Temp Coefficient -0.306%/°C+0.028 -0.334%/°C
Bifacial Share 74 (43%) 150 (74%)+32 pp
Avg Warranty 27.1 yrs 28.6 yrs+1.5 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

Phono Solar skews to higher efficiency: 11% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Vikram Solar offers more 600W+ panels (42% of lineup)

Phono Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (37%)

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...

Phono Solar is a Chinese manufacturer headquartered in Nanjing, founded in 2004 as a subsidiary of SUMEC Group Corporation, which is itself part of the state-owned China National Machinery Industry Corporation (Sinomach). This state-enterprise backing provides considerable financial stability, and the company has held BloombergNEF Tier 1 bankability status continuously since 2014 - a threshold that was raised in 2025 to require documented financing of projects of at least 10 MW. Annual module production capacity is estimated at approximately 3 to 4 GW. Vikram Solar, by contrast, is an Indian manufacturer founded in 2006 and headquartered in Kolkata, with production plants in West Bengal and Tamil Nadu. After commissioning a major 5 GW facility in Vallam, Tamil Nadu, Vikram Solar's total nameplate capacity reached approximately 9.5 GW in late 2025, making it one of India's largest solar module producers and a confirmed BloombergNEF Tier 1 manufacturer. In terms of sheer manufacturing scale and institutional momentum, Vikram Solar currently holds the stronger footprint.

Phono Solar's product range spans roughly 320 W to 730 W and covers both PERC and N-type TOPCon cell technologies. Their Draco N-TOPCon line, confirmed in distributor catalogues, targets the high-efficiency segment and is well suited to commercial rooftop and utility ground-mount applications, while lower-wattage PERC bifacial models remain available for residential use. Vikram Solar's portfolio is more diverse by technology mix, incorporating PERC, HJT, and TOPCon cells, with bifacial panels representing a large share of the overall catalogue. The Somera series covers the residential and small commercial rooftop segment with outputs in the 435-465 W range, while the Paradea line addresses larger commercial and utility-scale buyers at 580-605 W. Both manufacturers offer product and power output warranties broadly in line with industry norms, extending up to 27-30 years on performance.

For an international buyer sourcing panels today, both Phono Solar and Vikram Solar are credible, bankable options with confirmed Tier 1 status and mature quality-management processes. Phono Solar's state-owned parentage and long-established presence in Western markets can be an advantage where supply chain continuity and project financing familiarity matter most. Vikram Solar's rapidly scaling Indian manufacturing base appeals to buyers seeking to diversify away from Chinese supply chains - a consideration that has grown in importance given evolving trade policy discussions in Europe and North America. Neither brand is clearly superior across all dimensions; the better default depends primarily on regional supply availability, local distributor support, and the specific demands of the project at hand.

Generated by Claude Sonnet · 2026-06-19

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 5 Phono 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.