VSUN Solar Panels
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Everything you need to know about VSUN solar panels
Written by Max Kennerk, SolarCommission.Org
Updated 9-20-25
VSUN Solar Panels: Overview and Rating
Company History
Founded in June 2015 with investment from Fuji Solar Japan, VSUN is a solar solution provider headquartered in Japan. The company focuses on delivering reliable, high-efficiency solar products globally. VSUN was listed on the Q3 2019 Bloomberg New Energy Finance Tier 1 Solar Module Manufacturers list, indicating its recognition as a reputable manufacturer in the solar industry.
Equipment Offerings
VSUN offers a range of monocrystalline solar panels, including bifacial models. A notable example is the VSUN410-144BMH-DG bifacial panel, which features:
Power Output: Up to 415W
Efficiency: Up to 20.36%
Technology: PERC (Passivated Emitter and Rear Cell) technology
Durability: Certified for wind loads up to 2400 Pa and snow loads up to 5400 Pa; resistant to salt and ammonia corrosion
Warranty: 12-year material and workmanship warranty; 30-year linear power output warranty
These specifications highlight VSUN's commitment to producing durable and efficient solar panels suitable for various applications.
Pros and Cons
Pros:
High Efficiency: VSUN panels offer competitive efficiency ratings, with some models achieving up to 20.36%. This is a good efficiency rating, but other manufacturer’s have an efficiency in the 22% range.
Durability: The panels are designed to withstand harsh environmental conditions, including high wind and snow loads, as well as resistance to salt and ammonia corrosion.
Strong Warranty: A 12-year material and workmanship warranty, coupled with a 30-year linear power output warranty, provides long-term assurance for users.
Industry Recognition: Being listed as a Tier 1 manufacturer by Bloomberg New Energy Finance and receiving the "Overall Highest Achiever" award from the Renewable Energy Test Center (RETC) underscores the company's reputable standing in the industry
Cons:
Limited Brand Recognition: Despite industry accolades, VSUN may not be as widely recognized among consumers compared to more established solar panel brands.
Product Availability: Depending on the region, availability of VSUN panels might be limited, potentially affecting procurement and support.
Solar Commission’s Expert Rating: 85/100
Reasoning:
VSUN solar panels demonstrate a strong balance between efficiency, durability, and warranty offerings. The company's recognition as a Tier 1 manufacturer and accolades from industry bodies like RETC further affirm its commitment to quality. However, the brand's relatively lower consumer recognition and potential availability constraints may be considerations for prospective buyers. Overall, VSUN presents a compelling option for those seeking reliable and high-performance solar panels.
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