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Views: 0 Author: Site Editor Publish Time: 2025-10-15 Origin: Site
As Southeast Asia accelerates its energy transition, Thailand has set a target of 40% renewable energy share by 2036, Vietnam plans to reach 30GW of photovoltaic (PV) installed capacity by 2030, and the Philippines aims to increase its renewable energy share to 35% by 2030. The PV markets of these three countries have become the core of regional growth. As an enterprise with 15 years of deep expertise in the solar energy sector, Oceansolar leverages its 2GW automated production lines and customized solutions to provide users in Thailand, Vietnam, and the Philippines with efficient and durable solar panel options. This article will focus on the markets of these three countries and guide you in selecting the most suitable solar panels for 2025 from the perspectives of technical indicators, policy environment, and product adaptability.
The solar radiation in central Thailand, southern Vietnam, and Luzon Island (Philippines) reaches 1600-2000 kWh/m², making high-efficiency modules crucial for increasing power generation. When selecting solar panels in 2025, priority should be given to products with a conversion efficiency of ≥22.5%. Oceansolar’s N-TopCon series solar panels boast an efficiency of 22.5%-24.2%, increasing power generation by 10%-15% compared to traditional modules. They are particularly suitable for rooftop projects in sun-rich cities such as Bangkok (Thailand) and Ho Chi Minh City (Vietnam).
Roof resources in Vietnamese cities are scarce, and land on Philippine islands is limited. High-power-density modules can reduce the installation area. Among Oceansolar’s full-power-range products(550W-750W), the 630W distributed modules adopt 182mm cells, increasing the installed capacity per unit rooftop area by 8% compared to traditional modules. The 750W bifacial modules, on the other hand, are ideal for ground-mounted power plants in Thailand's Eastern Economic Corridor, delivering a significant increase in power generation per unit area.
The Philippines is hit by frequent typhoons from June to November, and central Vietnam is also affected by typhoons. Therefore, modules with a wind pressure resistance of ≥5400Pa should be selected. Oceansolar’s steel-framed series uses reinforced aluminum profiles, with a backside wind pressure resistance of 2400Pa. These modules have passed practical climate verification in coastal areas such as Cebu (Philippines) and Da Nang (Vietnam).
Thailand has an average annual temperature of over 30℃, and southern Vietnam and the Philippines experience humidity exceeding 90% during the rainy season, which can easily cause module degradation. Oceansolar’s N-TopCon technology ensures a first-year degradation rate of ≤1% and an annual degradation rate of ≤0.4%, guaranteeing stable power output for 25 years under the complex climates of the three countries.
The Thai government provides a 30% installation subsidy for residential PV systems and requires newly built PV projects to be equipped with Battery Energy Storage Systems (BESS) by 2025. When selecting modules, attention should be paid to compatibility with energy storage. Oceansolar modules support wide-voltage output and can seamlessly connect to Thailand’s mainstream 5-10kWh energy storage batteries, forming an integrated "PV + Energy Storage" system.
Vietnam mandates that PV modules must obtain certification and implements a tiered feed-in tariff (FIT) policy. Oceansolar’s products comply with Vietnam’s grid-connection standards. Its 700W+ high-power modules are compatible with local tariff policies in Vietnamese ground-mounted power plant projects, shortening the investment payback period to 5-6 years.
The Philippines implements a net metering policy for distributed PV, allowing excess electricity to be fed back to the grid to offset electricity bills. At the same time, many islands have off-grid power supply needs. Oceansolar’s 550W-630W modules are suitable for rooftop distributed projects in cities like Manila and can also be paired with inverters to form off-grid systems, providing stable electricity for islands such as Palawan (Philippines).
Surface temperatures in Thailand can reach 45℃ in summer, and increased operating temperatures of modules lead to efficiency loss. Oceansolar adopts a dual-glass and transparent backsheet design, which improves heat dissipation efficiency by 15%. In rooftop projects in Chiang Mai (Thailand), the summer power generation of these modules is 9% higher than that of traditional modules.
The humidity in the Mekong Delta (Vietnam) and Mindanao Island (Philippines) remains above 85% for a long time during the rainy season, making modules vulnerable to moisture erosion. Oceansolar’s modules use corrosion-resistant aluminum frames, and their junction boxes have an IP68 protection rating, making them suitable for long-term use in high-humidity environments.
The "agriculture-PV complementary" model is promoted in the agricultural areas of northeastern Thailand. Oceansolar’s 630W half-cell modules adopt a low-shading design, which not only ensures the light demand of crops but also achieves an annual power generation of approximately 12,000 kWh per mu of land. These modules have been widely used in rice field PV projects in Nakhon Ratchasima Province (Thailand).
Roof areas in Vietnamese cities such as Ho Chi Minh City and Hanoi are limited. This series of modules has optimized dimensions for installation on the rooftops of multi-story buildings. Paired with 3-5KW inverters, they can achieve an annual power generation of 6,000-8,000 kWh per household, meeting 80% of household electricity demand.
The power grid on Philippine islands such as Palawan and Boracay is unstable. Oceansolar’s 700W bifacial modules, when paired with energy storage systems, achieve a 20% power generation gain from the backside, enabling 24-hour off-grid power supply and solving the electricity problems of island tourist areas and residents.
Relying on the logistics hubs of Laem Chabang Port (Thailand) and Ho Chi Minh Port (Vietnam), Oceansolar’s products have passed third-party authoritative testing and fully comply with the grid-connection and safety standards of Thailand, Vietnam, and the Philippines. Complete compliance documents are available for customers to verify, and local delivery is achievable within 48 hours, significantly shortening project cycles.
Oceansolar provides localized technical services covering Thailand, Vietnam, and the Philippines, including installation plan design and power generation simulation. Its products come with a 12-year product warranty and a 25-year performance guarantee, supported by a 24-hour after-sales response team, ensuring fault handling within 72 hours.
Avoid purchasing "three-no products" (no certification, no manufacturer, no quality guarantee) that lack local certification in the three countries. Specifically: Thailand: Look for the TISI mark ，Vietnam: Require VNQA certification ，Philippines: Verify PS certification
Products strictly adhere to the certification standards of each country and can assist customers in completing local certification verification processes to ensure compliance with local grid-connection and safety requirements.
Do not pursue low prices blindly. Taking the Vietnamese market as an example: although the initial investment in Oceansolar’s 630W modules is 5% higher than that of ordinary products, their high efficiency and low degradation result in an 18% increase in total power generation over 25 years and a 22% increase in net income. In Philippine off-grid projects, high-durability modules can reduce maintenance costs by 30%.
To select solar panels in Thailand, Vietnam, and the Philippines in 2025, it is essential to align with the policy orientations and climate characteristics of the three countries, and choose products that are efficient, durable, and supported by sound localized services. With targeted product design and a mature localized system, Oceansolar has served numerous PV projects in these three countries. Whether you are a Thai farmer, a Vietnamese rooftop owner, or a Philippine island developer, you can contact us to obtain a customized solution and seize the dividends of Southeast Asia’s energy transition.
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Note: The author has tried his best to ensure the accuracy of the content above, but omissions are inevitable. Please contact ocean solar directly for consultation.
