The Global PV Bus-bar (Bus Ribbon) Market was valued at USD 1.23 Billion in 2023 and is projected to reach USD 2.15 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 8.3% during the forecast period (2024–2030). This significant growth is primarily driven by the global expansion of solar energy capacity, increasing demand for high-efficiency photovoltaic modules, and technological advancements in bus-bar designs that enhance power output and durability.

As the solar industry accelerates toward achieving global renewable energy targets, the critical role of PV bus-bars—the conductive ribbons that interconnect solar cells—is more important than ever. These components are essential for maximizing energy harvest and ensuring the long-term reliability of solar panels. In this blog, we profile the Top 10 Companies in the PV Bus-bar (Bus Ribbon) Industry—a group of material scientists, manufacturers, and innovators shaping the backbone of modern solar technology.

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🔟 1. Ulbrich

Headquarters: North Haven, Connecticut, USA
Key Offering: Precision flat wires, custom bus-bar alloys, Ultra Fine Ribbon (UFR)

Ulbrich is a globally recognized leader in precision metal strips and wires, supplying high-quality, custom-designed bus-bar materials to major solar module manufacturers. Their expertise in metallurgy allows them to produce bus-bars with exceptional conductivity and solderability, crucial for high-performance solar cells.

Innovation & Sustainability Initiatives:

• Development of low-temperature solderable coatings to reduce cell stress during manufacturing.

• Investment in advanced alloy research to improve electrical conductivity and thermal performance.

• Commitment to sustainable manufacturing practices and recyclable material sourcing.

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9️⃣ 2. Hitachi Cable (Part of Hitachi Metals)

Headquarters: Tokyo, Japan
Key Offering: High-conductivity copper ribbons, anti-corrosive coatings, Multi-Busbar (MBB) solutions

Hitachi Cable leverages its extensive experience in electrical conductors to produce premium PV bus-bars. The company is a key supplier in the Asian market, known for its rigorous quality control and development of bus-bars tailored for next-generation heterojunction (HJT) and TOPCon solar cells.

Innovation & Sustainability Initiatives:

• Pioneering ultra-thin and narrow ribbons for MBB technology, increasing cell efficiency.

• Focus on lead-free and environmentally friendly plating materials.

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8️⃣ 3. Sveck

Headquarters: Taoyuan City, Taiwan
Key Offering: Tinned copper ribbons, specialized bus-bars for shingled modules, interconnection ribbons

Sveck is a prominent manufacturer specializing in tinned copper bus-bars and ribbons for the global PV industry. The company has built a strong reputation for reliability and cost-effectiveness, serving a diverse client base from its manufacturing facilities in Asia.

Innovation & Sustainability Initiatives:

• Expansion of production capacity for shingled module bus-bars, a growing market segment.

• Implementation of automated production lines to enhance consistency and reduce waste.

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PV Bus-bar(Bus Ribbon) Market – View in Detailed Research Report

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7️⃣ 4. Suzhou YourBest New-type Materials

Headquarters: Suzhou, Jiangsu, China
Key Offering: Customized bus-bar solutions, high-efficiency ribbons, PV ribbon coating services

As one of China’s leading suppliers, Suzhou YourBest focuses on the research, development, and production of new-type conductive materials. The company plays a vital role in supplying the massive Chinese solar manufacturing ecosystem with advanced bus-bar products.

Innovation & Sustainability Initiatives:

• Strong R&D focus on improving the mechanical strength and electrical properties of ribbons.

• Strategic partnerships with domestic and international solar cell producers.

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6️⃣ 5. Kunming Sunlight Science and Technology

Headquarters: Kunming, Yunnan, China
Key Offering: Tin-coated copper strips, PV junction box ribbons, module interconnection strings

Kunming Sunlight Science and Technology specializes in the production of tin-coated copper-clad materials essential for PV modules. The company has established itself as a key player in the supply chain, emphasizing product consistency and performance for high-wattage panels.

Innovation & Sustainability Initiatives:

• Development of optimized coating processes to ensure uniform solderability.

• Investment in vertical integration to control material quality from raw copper to finished ribbon.

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5️⃣ 6. SHENMAO Technology

Headquarters: Taipei, Taiwan
Key Offering: Solder materials, tinned copper ribbons, conductive adhesives for PV

SHENMAO Technology is a world-leading manufacturer of soldering materials, and its expertise extends deeply into the PV sector. The company produces high-performance tinned copper bus-bars that are critical for durable and efficient cell interconnections.

Innovation & Sustainability Initiatives:

• Extensive R&D in solder alloy compositions to enhance reliability under thermal cycling.

• Global presence with technical support for module manufacturers worldwide.

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4️⃣ 7. Baoding Yitong PV Science & Technology

Headquarters: Baoding, Hebei, China
Key Offering: PV ribbons, bus-bars for mono PERC and bifacial modules, custom widths and thicknesses

Baoding Yitong is a dedicated PV materials company with a strong focus on the science behind interconnection. They provide tailored bus-bar solutions that help module makers optimize the balance between series resistance and shading losses.

Innovation & Sustainability Initiatives:

• Specialization in products compatible with advanced cell architectures like PERC and bifacial.

• Focus on improving yield and reducing silver paste consumption for cell manufacturers.

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3️⃣ 8. TonyShare Suzhou Electronic Material

Headquarters: Suzhou, Jiangsu, China
Key Offering: Electronic paste, PV bus-bars, conductive materials for new energy

TonyShare is an integrated supplier of electronic materials, including specialized bus-bars for the solar industry. The company benefits from its proximity to China’s manufacturing hub, allowing for responsive service and supply chain efficiency.

Innovation & Sustainability Initiatives:

• Investment in co-development projects with cell manufacturers to create application-specific solutions.

• Continuous improvement of production automation to maintain competitive pricing.

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2️⃣ 9. Wetown Electric Group

Headquarters: Nantong, Jiangsu, China
Key Offering: Enamelled wires, PV ribbons, magnet wires, and other electrical conductors

Wetown Electric Group applies its broad expertise in electrical conductors to the solar market, producing reliable and cost-effective bus-bar ribbons. The company’s large-scale production capabilities make it a significant supplier to the global PV industry.

Innovation & Sustainability Initiatives:

• Leveraging scale to offer competitive products for the mainstream PV market.

• Expansion into related areas of the solar value chain, such as junction box assembly.

Download FREE Sample Report:
PV Bus-bar(Bus Ribbon) Market – View in Detailed Research Report

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1️⃣ 10. Xi’an Telison New Materials

Headquarters: Xi’an, Shaanxi, China
Key Offering: Titanium materials,精密 metal strips, PV bus-bars

Xi’an Telison New Materials combines expertise in new material science with photovoltaic applications. The company focuses on producing high-precision bus-bars that meet the exacting standards of tier-1 solar module producers, particularly for high-end applications.

Innovation & Sustainability Initiatives:

• Research into alternative base materials and coatings to reduce costs and improve performance.

• Focus on developing bus-bar solutions for emerging cell technologies like IBC (Interdigitated Back Contact).

Get Full Report Here:
PV Bus-bar(Bus Ribbon) Market – View in Detailed Research Report

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🌞 Outlook: The Future of PV Bus-bars is Smarter and More Efficient

The PV bus-bar market is undergoing a rapid technological evolution. While conventional ribbons remain the volume leader, the industry is swiftly adopting Multi-Busbar (MBB), Ultra-Fine Busbars, and shingled cell interconnections to push module efficiencies beyond 22%.

📈 Key Trends Shaping the Market:

• Transition from 5BB to 9BB, 12BB, and even finer bus-bar designs to reduce shading and resistive losses.

• Growing demand for bus-bars compatible with high-density cell technologies like HJT and TOPCon.

• Increased automation in bus-bar soldering and tabbing processes to improve manufacturing throughput and yield.

• R&D into new conductive materials, including silver-coated copper and low-temperature solders, to enhance reliability and sustainability.

Get Full Report Here:
PV Bus-bar(Bus Ribbon) Market – View in Detailed Research Report

The companies listed above are not only supplying a critical component—they are enabling the next wave of solar innovation that will power a cleaner global energy grid.