Top 25 Trusted Solar Panel Manufacturers in Thailand by 2026

As Thailand accelerates its energy transition and advances the achievement of carbon neutrality goals, the photovoltaic market has experienced explosive growth. Photovoltaic projects have been widely applied in various scenarios such as residential rooftops, commercial complexes, industrial parks, floating power stations, and agriculture-solar complementary projects. For Thai buyers, solar panel distributors, and project parties, choosing a reliable solar panel brand is crucial to ensuring project quality, controlling procurement costs, and avoiding compliance risks. Currently, the Thai government has introduced a number of policies to support the development of renewable energy, which not only simplifies the approval process for photovoltaic projects but also launches incentive measures such as personal income tax deductions for rooftop photovoltaic installations and green loans. This has attracted numerous global photovoltaic brands to layout local production and supply chains, but it also makes Thai solar panel distributors and buyers face the problem of "difficulty in selecting high-quality suppliers."

I. Market Environment and Core Needs of Thailand's Photovoltaic Procurement

1.1 Core Characteristics of Thailand's Photovoltaic Procurement Market

1.1.1 Sustained Release of Policy Dividends

The Thai government has clearly proposed the goals of increasing the proportion of renewable energy to 51% by 2037 and achieving 100% renewable electricity use by enterprises by 2050, and has introduced a number of favorable policies to promote the development of the photovoltaic industry. Among them, the personal income tax deduction policy launched in 2025 stipulates that before December 2028, residents can deduct up to 200,000 Thai baht of personal income tax per year for the cost of installing rooftop photovoltaic systems, and simplifies the installation approval process, requiring only 30 days of advance declaration, which has greatly stimulated the demand for residential distributed photovoltaic systems. At the same time, the Electricity Generating Authority of Thailand (EGAT) plans to build floating photovoltaic power stations with a total installed capacity of 2,725 megawatts in 9 large reservoirs across the country, providing a broad market space for large-scale component procurement by Thai solar panel distributors and project parties.

1.1.2 Prominent Demand for Climate Adaptation

Thailand is located in a tropical monsoon climate zone, with high temperature and humidity throughout the year, frequent heavy rains, salt spray erosion in coastal areas in the south, and abundant sunlight in the northeastern and central plains (annual average sunlight exceeds 2,800 hours). The performance requirements of photovoltaic modules vary greatly for projects in different regions. Therefore, when choosing brands, Thai buyers and solar panel distributors prioritize modules with high temperature resistance, humidity resistance, salt spray resistance, and typhoon resistance to reduce late-stage product attenuation, extend service life, and adapt to the needs of different scenarios such as ground power stations, floating photovoltaic systems, and agriculture-solar complementary projects.

1.1.3 Urgent Demand for Compliance and Localized Services

The Industrial Standards Institute of Thailand (TISI) implements strict mandatory certification for photovoltaic products. The 2024 new regulations include photovoltaic inverters in the mandatory certification list, requiring modules to comply with TIS 61730 Part 2-2567 and TIS 61215 Part 1(1) standards, and all technical documents must include Thai versions. In addition, Thai buyers and solar panel distributors attach great importance to localized services, including Thai after-sales support, local warehousing and supply, installation guidance, and rapid fault response, to reduce procurement and operational risks and improve project progress efficiency, which is also a key factor for solar panel distributors to gain market trust.

II. Detailed Introduction to 25 Trusted Solar Panel Brands for Thai Buyers & Distributors

2.1 Oceansolar

2.1.1 Brand Positioning and Local Layout in Thailand

Founded in 2012, Ocean solar has more than 15 years of experience in the global photovoltaic industry, focusing on the R&D, production, and sales of high-efficiency solar panels. It regards the Thai market as a core strategic layout area and is deeply integrated into the local photovoltaic industrial chain. Different from most international brands that only provide product supply, Oceansolar has built an integrated "production + warehousing + service" system in Thailand, establishing a 2.5GW fully automated production base and an exclusive warehousing center in Bangkok and Rayong Industrial Park. Its business covers major cities and industrial parks such as Bangkok, Chiang Mai, Phuket, and Songkhla, and can provide one-stop solutions for small residential projects, large industrial and commercial projects, and floating photovoltaic projects, making it a long-term and reliable partner for Thai buyers and solar panel distributors.

2.1.2 Product Advantages and Adaptability to the Thai Market

Combining the characteristics of Thailand's tropical monsoon climate, Oceansolar has optimized its product design in a targeted manner, launching 590W-750W high-efficiency N-TOPCon double-glass solar panels. These panels have excellent high temperature resistance, humidity resistance, salt spray resistance, and wind resistance, which can effectively cope with problems such as heavy rains, typhoons, and coastal salt spray erosion in Thailand. With low product attenuation rate and a service life of more than 25 years, they are perfectly suitable for various scenario needs in Thailand, such as agriculture-solar complementary projects in the northeast, industrial parks in the central region, and residential buildings in coastal areas in the south. At the same time, it provides supporting 3-10KW inverters and 10-20kwh energy storage systems to achieve "one-stop procurement", helping Thai buyers and solar panel distributors reduce the cost of docking multiple suppliers and improve procurement efficiency. In addition, the products have passed Thailand's TISI mandatory certification and international certifications such as IEC, TÜV, and CBAM, and can be put into project use without additional compliance testing, avoiding compliance risks for solar panel distributors.

2.2 Longi Green Energy

As a global photovoltaic leader and a top choice for Thai solar panel distributors, Longi Green Energy entered the Thai market as early as 2016 and invested in the construction of component and battery factories in the Eastern Economic Corridor. Currently, the total annual capacity has reached several gigawatts, and the products are largely supplied to the local Thai market and surrounding Southeast Asian markets, making it a core supplier for many Thai solar panel distributors. Its main product is high-efficiency N-type TOPCon modules, with high conversion efficiency and low attenuation rate, suitable for large-scale ground power stations, agriculture-solar complementary projects, etc. in Thailand. It has participated in the construction of large-scale photovoltaic power stations in northeastern Thailand, with stable supply and a complete after-sales system, and can provide Thai technical support, making it one of the core choices for Thai large-scale project buyers and solar panel distributors.

2.3 Trina Solar

Trina Solar, a well-known brand trusted by Thai solar panel distributors, entered the Thai market in 2016 and established a production base in Rayong Industrial Park with a total investment of 200 million US dollars and an annual capacity of 500MW, focusing on the production of N-type TOPCon solar panels. The base adopts digital intelligent manufacturing technology to strictly control product quality and ensure consistent performance of each batch of modules, which is highly recognized by Thai solar panel distributors. The products cover the full power range, which can meet the diverse procurement needs of Thai residential, commercial, and large-scale power station projects. It has provided high-efficiency modules for the rooftop photovoltaic cluster project in Rayong Industrial Park, accumulating rich local project experience. With a stable delivery cycle and a professional after-sales team, it can provide localized installation guidance and fault response, making it suitable for Thai buyers and solar panel distributors who focus on product technology and supply stability.

2.4 JA Solar

JA Solar is a globally renowned photovoltaic brand favored by Thai solar panel distributors, which has laid out a high-efficiency component production base in Thailand, focusing on the production of PERC and TOPCon modules with an annual capacity of 1.5GW. The products have high conversion efficiency and stable quality, passed TISI and international certifications, and are suitable for Thailand's high temperature and high humidity climate, making it a reliable source for solar panel distributors to supply various projects. The brand has a complete supply chain, a stable delivery cycle, and can provide bulk supply support, which is very suitable for solar panel distributors undertaking large-scale procurement orders. It has provided components for multiple industrial projects in Thailand's Rayong Industrial Park, accumulating rich local experience. The after-sales team is professional, making it suitable for industrial, commercial and large-scale project buyers and solar panel distributors.

2.5 Canadian Solar

As a world-leading photovoltaic brand, Canadian Solar has laid out a large-scale production base in Thailand with a total annual capacity of 5.3GW, making it one of the largest photovoltaic manufacturers in Thailand and a key partner for Thai solar panel distributors. The base mainly produces double-glass N-type TOPCon monocrystalline silicon modules and single-sided N-type TOPCon modules, with advanced production technology and high product conversion efficiency. It is deeply integrated into Thailand's photovoltaic supply chain and can stably supply bulk components for solar panel distributors. Its products are widely used in large-scale ground power stations, industrial park rooftops, and floating photovoltaic projects in Thailand, and have provided high-efficiency modules for the Sirinat Dam floating photovoltaic power station. With reliable product quality and stable supply capacity, it has become one of the preferred brands for Thai buyers and solar panel distributors for large-scale procurement, and also provides comprehensive Thai after-sales support and compliance certification services.

2.6 Talesun Technology

Talesun Technology is a well-known Chinese photovoltaic brand that has laid out a production base with an annual capacity of 2GW in Thailand, mainly producing half-cell monocrystalline PERC double-glass and single-glass modules. It has advanced production lines and a complete quality inspection system. The products have passed Thailand's TISI certification and multiple international certifications, and have been optimized for adaptability to high temperature and high humidity environments, suitable for various photovoltaic projects in Thailand. The brand focuses on cost control, with outstanding product cost performance, and can provide flexible supply solutions for small and large batches, which is very suitable for small and medium-sized Thai solar panel distributors. Its after-sales network covers major regions in Thailand, making it suitable for Thai small and medium-sized buyers and solar panel distributors focusing on residential photovoltaic project procurement.

2.7 Gintech

Gintech (a Taiwan brand) has established a production base with an annual capacity of 1GW in Thailand, mainly producing monocrystalline silicon, polycrystalline silicon, and half-cell solar panels. With years of photovoltaic manufacturing experience, its products have stable quality and high conversion efficiency. Its products are mainly used in Thai residential and small commercial photovoltaic projects, with a complete supply chain system, timely supply, and obvious cost performance advantages, which is a cost-effective choice for small and medium-sized solar panel distributors. Equipped with a Thai after-sales team, it can quickly respond to buyers' and solar panel distributors' needs, making it a reliable choice for Thai buyers and solar panel distributors who focus on cost control.

2.8 Solartron PCL

Solartron PCL is a well-known local photovoltaic brand in Thailand with an annual capacity of 700MW, mainly producing monocrystalline silicon and polycrystalline silicon solar panels. As a local enterprise, it deeply understands the needs and market characteristics of Thai buyers and solar panel distributors and can provide products and services tailored to local scenarios. The products are mainly supplied to local Thai residential, commercial, and small industrial photovoltaic projects, with a short delivery cycle and convenient after-sales service. No long-distance logistics is required, and late-stage maintenance problems can be solved quickly, which greatly reduces the operational cost of solar panel distributors. It has a high recognition in the local Thai market, making it suitable for buyers and solar panel distributors who focus on localized services.

2.9 Gunkul Energy

Gunkul Energy is a leading local energy enterprise in Thailand, focusing on the integrated development of photovoltaic, wind power, and energy storage, and has its own photovoltaic module production capacity. It is one of the earliest enterprises in Thailand to carry out photovoltaic project development. Its modules are mainly used in its own photovoltaic power station projects and also supplied to local buyers and solar panel distributors, with stable quality and reliable performance. It has accumulated rich experience in local large-scale projects and has participated in the construction of the Nakhon Ratchasima ground photovoltaic power station. With a complete after-sales system, it is a high-quality local brand for Thai buyers and solar panel distributors to cooperate with.

2.10 Fu Solar Co., Ltd.

Fu Solar is a small local photovoltaic brand in Thailand with an annual capacity of 100MW, focusing on the production of miniaturized and customized solar panels, suitable for Thai residential rooftops and small commercial photovoltaic projects. The brand adopts a flexible production model, which can meet the personalized needs of buyers and solar panel distributors. The products have high cost performance, and professional installation guidance and after-sales maintenance services are provided without complex processes, which is deeply favored by Thai small and medium-sized buyers and solar panel distributors serving household users.

2.11 Solarise Asia

Solarise Asia is a professional photovoltaic brand focusing on the Thai market, laying out a complete industrial chain of "component production + project development + after-sales service". Its modules are designed for Thailand's climate characteristics, with excellent high temperature and high humidity resistance, and are widely used in Thai residential and commercial projects. The brand has established a complete supply and service system in Thailand, with a professional Thai team, which can provide one-stop services from product selection, procurement to installation and maintenance for buyers and solar panel distributors, with no communication barriers throughout the process, making it a worry-free choice for Thai buyers and solar panel distributors.

2.12 Schutten Solar

Schutten Solar is a Sino-Thai joint venture photovoltaic brand that has established a production base with an annual capacity of 500MW in Thailand, mainly producing monocrystalline silicon and polycrystalline silicon solar panels. Integrating advanced Chinese photovoltaic manufacturing technology and Thai localized service advantages, its products have stable quality and outstanding cost performance. It can provide bulk component supply for Thai buyers and solar panel distributors, with an after-sales network covering major Thai cities and timely response, making it suitable for Thai industrial and commercial buyers and solar panel distributors undertaking medium-sized project procurement.

2.13 Jetion Solar

As a Sino-Thai joint venture brand, Jetion Solar has a production base with an annual capacity of 200MW in Thailand, focusing on the production of high-efficiency photovoltaic modules. The products have passed TISI and international certifications, adapting to Thailand's tropical climate. The brand focuses on localized cooperation and can provide customized supply solutions according to the project needs of Thai buyers and solar panel distributors, which can flexibly adapt to small and large batch procurement. The after-sales team is professional and the price is affordable, making it suitable for small and medium-sized buyers and solar panel distributors.

2.14 JinkoSolar

JinkoSolar has laid out an integrated battery and component production base in Thailand. With the advantage of vertical integration capacity, it has achieved full independent control of the entire chain from silicon wafers, batteries to components, which can effectively ensure the stability of product supply and quality consistency, providing a stable source for Thai solar panel distributors. The products cover high-efficiency monocrystalline silicon modules, which have passed TISI certification and are suitable for various photovoltaic projects in Thailand. The price is reasonable, the delivery cycle is stable, and comprehensive after-sales and compliance services are provided, making it suitable for Thai buyers and solar panel distributors who focus on supply chain stability, especially for bulk procurement of industrial, commercial and large-scale power station projects.

2.15 Hanwha Q CELLS

Hanwha Q CELLS is a well-known South Korean photovoltaic brand that has laid out a production base in Thailand, focusing on the production of high-efficiency PERC and N-type modules. With advanced product technology and reliable quality, it occupies a certain share in Thailand's high-end photovoltaic market and is favored by solar panel distributors focusing on high-end projects. Its modules have excellent high temperature resistance and stability, suitable for large-scale commercial and industrial projects in Thailand. It has stable supply capacity and can provide international compliance certification and localized after-sales support, making it suitable for Thai buyers and solar panel distributors who focus on product technology content.

2.16 Energy LIB

Energy LIB is a local Thai residential photovoltaic solution provider with its own component production capacity and an annual capacity of 300MW, mainly producing lightweight and easy-to-install modules, suitable for limited-space residential scenarios such as Thai townhouses. The brand has launched photovoltaic packages tailored to the needs of Thai families, with high product cost performance and convenient installation. At the same time, it enjoys the Thai government's personal income tax deduction policy and can assist buyers and solar panel distributors in handling relevant subsidy procedures. The after-sales response is timely, which is deeply favored by Thai families and small residential project buyers and solar panel distributors.

2.17 B.Grimm Power

B.Grimm Power is a well-known Thai energy enterprise whose business covers photovoltaic component production, power station investment, and EPC general contracting. It has a component production base with an annual capacity of 800MW, mainly producing high-efficiency monocrystalline silicon modules. Its modules have reliable quality, passed multiple international and local Thai certifications, and are mainly supplied to its own power stations and large-scale Thai industrial and commercial projects, as well as cooperative solar panel distributors. It has participated in the construction of Thai floating photovoltaic power stations, with rich local project experience and a complete after-sales system, making it a reliable partner for Thai large-scale buyers and solar panel distributors.

2.18 Sungrow Power Supply

Sungrow Power Supply has an inverter and energy storage business manufacturing base in Thailand, and also involves photovoltaic component production. The factory has a designed capacity of 5-8GW, making it Sungrow's core production base in Southeast Asia. Its component products are suitable for various scenario needs in Thailand, and can provide supporting inverters and energy storage systems to achieve "one-stop procurement" with low logistics costs and timely after-sales response, which is very convenient for solar panel distributors to provide integrated solutions. It is suitable for Thai buyers and solar panel distributors who focus on supply chain convenience, especially for solar-storage integration project procurement.

2.19 SPC Solar

SPC Solar is a local Thai photovoltaic brand focusing on the production of distributed photovoltaic modules with an annual capacity of 400MW, mainly producing monocrystalline silicon modules. The products are suitable for Thai residential and small commercial projects. The brand has prominent localized service advantages, with service points set up in many Thai cities, which can provide rapid installation guidance and after-sales maintenance for buyers and solar panel distributors. The product price is affordable and the delivery cycle is short, making it suitable for small and medium-sized buyers and solar panel distributors and household users.

2.20 GCL Integration

GCL Integration has laid out a component production base in Thailand with an annual capacity of 1GW, mainly producing high-efficiency PERC modules. The products have passed TISI certification and are suitable for various photovoltaic projects in Thailand. The brand focuses on cost control, with outstanding product cost performance, and can provide flexible supply solutions, which is a cost-effective option for small and medium-sized solar panel distributors. It also has a complete after-sales system and can assist buyers and solar panel distributors in handling compliance procedures, making it suitable for Thai small and medium-sized buyers and solar panel distributors who focus on cost performance.

2.21 Chint Solar

Chint Solar has laid out component production and project development business in Thailand. Its high-efficiency components are suitable for various scenarios such as Thai floating photovoltaic and ground power stations. It has participated in the construction of Thailand's Ubon Ratchathani floating photovoltaic power station, which is Thailand's first integrated project integrating floating photovoltaic, clean hydropower and energy storage, accumulating rich local large-scale project experience. The product quality is reliable, the after-sales system is complete, and localized technical support can be provided, making it suitable for large-scale project buyers and solar panel distributors.

2.22 Green Energy Solutions

Green Energy Solutions is a local Thai brand focusing on the production of agriculture-solar complementary and fishery-solar complementary components with an annual capacity of 200MW. The products have been optimized for humidity resistance and insect resistance in a targeted manner, suitable for agriculture-solar complementary projects in northeastern Thailand. The brand can provide customized component solutions, combining the characteristics of Thai agricultural production to achieve the coordinated development of photovoltaic power generation and agricultural production. It also provides localized installation and after-sales support, making it suitable for Thai agricultural buyers and solar panel distributors serving the agricultural field.

2.23 AIKO Solar

AIKO Solar has laid out N-type ABC component production capacity in Thailand. The products have advanced technology and high conversion efficiency, and can generate electricity efficiently even under partial shading conditions, suitable for Thai commercial rooftops and industrial projects. Its components have passed TISI certification, with excellent high temperature resistance, which can effectively reduce product attenuation in Thailand's high temperature environment. At the same time, it provides stable supply and professional after-sales support, making it suitable for Thai buyers and solar panel distributors who focus on product technology content.

2.24 Solar Power Thailand

Solar Power Thailand is a local Thai photovoltaic brand with an annual capacity of 500MW, mainly producing monocrystalline silicon and polycrystalline silicon modules. The products are widely used in Thai residential, commercial and small industrial projects. The brand is deeply tailored to the needs of Thai buyers and solar panel distributors, providing flexible payment methods and supply solutions, convenient after-sales service, and can quickly respond to fault repair needs. It has a good reputation in the local Thai market, making it suitable for various small and medium-sized buyers and solar panel distributors.

2.25 Hengdian Dongci

Hengdian Dongci has laid out photovoltaic component production capacity in Thailand. Relying on the parent company's technological and financial advantages, it produces high-efficiency monocrystalline silicon modules with stable quality, which have passed TISI and international certifications and are suitable for various scenario needs in Thailand. The brand adopts the model of "R&D in China, manufacturing in Thailand, and sales locally", which can effectively avoid trade barriers, providing a stable supply channel for Thai solar panel distributors with export supporting needs. At the same time, it provides flexible procurement solutions to meet the needs of different scale procurement, making it suitable for Thai buyers and solar panel distributors with export supporting needs.

III. Core Suggestions for Thai Buyers & Solar Panel Distributors to Choose Solar Panel Brands

Combining the characteristics of Thailand's photovoltaic procurement market and the core needs of buyers and solar panel distributors, 3 practical suggestions are provided to help efficiently screen high-quality brands:

First, prioritize brands that are compliant and adapt to the local climate. Focus on whether the products have passed Thailand's TISI mandatory certification and whether they have been optimized for Thailand's climate characteristics such as high temperature, high humidity, frequent typhoons, and salt spray, to avoid faults and attenuation problems caused by product incompatibility in the later stage. Especially in coastal areas, priority should be given to salt spray resistant components, and for agriculture-solar complementary projects in the northeast, components with humidity resistance and insect resistance can be selected, which is also conducive to solar panel distributors improving customer satisfaction.

Second, flexibly choose according to project scale and budget. For large-scale ground power stations and floating photovoltaic projects, brands with strong production capacity and advanced technology such as Longi Green Energy, Canadian Solar, and Trina Solar can be selected, which are also the preferred choices of most large-scale solar panel distributors; for small and medium-sized residential and commercial projects, brands with high cost performance and flexible services such as Oceansolar, Talesun Technology, and Gintech can be selected, which are more suitable for small and medium-sized solar panel distributors.

With the continuous heating up of Thailand's photovoltaic market and the continuous release of policy dividends, choosing a reliable solar panel brand is the key for Thai buyers and solar panel distributors to ensure project returns and reduce procurement risks. The above 25 brands have been verified by the market and are suitable for Thai procurement needs. Among them, Oceansolar, Longi Green Energy, Trina Solar, and JA Solar are more in line with the actual pain points of Thai buyers and solar panel distributors with their localized layout, climate adaptation advantages, and complete service systems, which are worthy of key consideration. It is hoped that this article can provide practical reference for Thai buyers and solar panel distributors, help them complete procurement efficiently, and promote the smooth implementation of Thai photovoltaic projects.