Report Description

Forecast Period


Market Size (2023)

USD 2.63 billion

CAGR (2024-2029)


Fastest Growing Segment


Largest Market

Central Thailand

Market Overview

Thailand Solar Photovoltaic Market has valued at USD 2.63 billion in 2023 and is anticipated to project robust growth in the forecast period with a CAGR of 3.81% through 2029. The government's support is primarily evident through the implementation of favorable policies and financial incentives. For instance, Thailand has established feed-in tariff (FiT) programs, which guarantee fixed payments to solar system owners for the electricity they generate and feed into the grid. These FiT rates are competitive and provide a predictable revenue stream for solar investors, making solar energy an attractive option for individuals and businesses.

Key Market Drivers

Government Support and Incentives

One of the primary drivers behind the growth of the Solar Photovoltaic (PV) market in Thailand is the strong support and incentives provided by the government. The Thai government has implemented various policies and initiatives to promote the adoption of solar PV systems and reduce the nation's dependence on fossil fuels. These measures have had a significant impact on the industry's growth.

First and foremost, the Thai government has introduced a generous feed-in tariff (FiT) program. Under this scheme, solar PV system owners are guaranteed fixed payments for the electricity they generate and feed into the grid. This financial incentive not only attracts individual and corporate investors but also ensures a steady revenue stream for existing solar installations. The FiT rates are competitive, making solar energy an attractive investment option.

Additionally, the government has implemented tax incentives and exemptions for solar PV projects. Investors can benefit from reduced corporate income tax, import duty exemptions for solar equipment, and a waiver of the value-added tax (VAT) for solar energy-related transactions. These fiscal incentives make solar PV projects financially appealing, stimulating investment in the sector.

Furthermore, the Thai government has established the Alternative Energy Development Plan (AEDP), which outlines the country's commitment to increasing the share of renewable energy, including solar, in the national energy mix. The AEDP sets specific targets for renewable energy capacity, which provides a clear roadmap for the development of the solar PV market. It ensures that there will be a sustained demand for solar projects in the coming years.

In conclusion, government support and incentives play a pivotal role in driving the growth of the Solar PV market in Thailand. The combination of the FiT program, tax incentives, and a clear renewable energy roadmap makes investing in solar energy a lucrative proposition for individuals and businesses. These policies not only reduce greenhouse gas emissions but also contribute to Thailand's energy security and sustainable development.

Declining Solar PV Costs

The decreasing costs of solar photovoltaic (PV) systems represent a major driver of the growth of Thailand's solar energy market. Over the past decade, the price of solar PV technology has dropped significantly, making it increasingly affordable for both residential and commercial customers.

The reduction in solar PV costs can be attributed to several factors. Firstly, economies of scale have played a substantial role. As the global demand for solar panels and associated equipment has increased, manufacturers have been able to ramp up production, leading to lower per-unit production costs. Thailand, with its growing solar market, has benefited from this trend.

Secondly, advancements in technology have improved the efficiency and effectiveness of solar panels. Higher energy conversion rates and increased durability have made solar PV systems a more attractive investment. This, in turn, has driven down the cost per watt of electricity generated, making solar power a more cost-effective option.

Furthermore, increased competition in the solar market has pushed manufacturers and installers to be more cost-competitive. This competition drives innovation and cost-saving strategies, benefiting consumers and encouraging wider adoption of solar energy.

In addition, the declining cost of financing solar projects is a significant driver. Financial institutions and investors have become more comfortable with the reliability and profitability of solar energy projects, which has led to lower interest rates and financing costs for solar installations. This makes it easier for individuals and businesses to invest in solar PV systems.

In summary, the decreasing cost of solar PV systems is a crucial driver for the solar energy market in Thailand. Lower prices, driven by economies of scale, technological advancements, increased competition, and favorable financing terms, have made solar energy more accessible and financially appealing for a wide range of consumers, leading to the industry's sustained growth.

Environmental Awareness and Sustainability Goals

Growing environmental awareness and sustainability goals in Thailand are driving the expansion of the solar photovoltaic (PV) market. As the nation grapples with environmental challenges and seeks to reduce its carbon footprint, solar energy has emerged as a clean and sustainable alternative.

Thailand, like many countries, is increasingly recognizing the importance of transitioning to renewable energy sources to mitigate climate change. With rising concerns about air pollution, deforestation, and water pollution, the public and private sectors are increasingly committed to reducing their environmental impact. Solar PV systems offer a practical way to reduce greenhouse gas emissions and dependence on fossil fuels.

Corporate sustainability goals are another key driver. Many businesses are setting ambitious targets for reducing their carbon emissions and embracing renewable energy sources. Solar PV systems align with these goals, allowing companies to meet their environmental commitments while reducing energy costs over the long term. This has led to an increase in corporate solar installations and power purchase agreements (PPAs) with renewable energy providers.

Moreover, the Thai government has endorsed sustainability as a key policy goal. The Alternative Energy Development Plan (AEDP) and the Power Development Plan (PDP) prioritize the expansion of renewable energy, including solar, in the nation's energy mix. These policy frameworks have created a supportive environment for sustainable energy development.

Thailand's solar PV market is also driven by the desire to reduce air pollution and its health impacts. With major cities like Bangkok facing air quality issues, the transition to cleaner energy sources like solar power is seen as a way to improve public health and the quality of life.

In conclusion, the increasing focus on environmental awareness and sustainability goals is a significant driver behind the growth of the solar PV market in Thailand. This trend is not only reducing the nation's carbon footprint but also encouraging individuals and businesses to invest in renewable energy sources, particularly solar power, for a cleaner and more sustainable future.

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Key Market Challenges

Grid Integration and Energy Storage

One of the foremost challenges facing the Thailand Solar Photovoltaic (PV) market is the effective integration of solar energy into the existing power grid and the implementation of energy storage solutions. While the adoption of solar PV systems is on the rise, the intermittent nature of solar power generation can strain the grid and create reliability issues.

Thailand's power grid was primarily designed to accommodate centralized power generation from traditional sources such as coal and natural gas. Integrating a large amount of decentralized solar generation into the grid requires substantial upgrades and investments. Without proper grid infrastructure improvements, the fluctuating output of solar panels can lead to grid instability and potential blackouts.

Furthermore, energy storage solutions are essential to store excess solar power generated during the day for use during the night or on cloudy days. The lack of widespread and cost-effective energy storage options poses a challenge. Batteries, like lithium-ion, can be expensive, and their availability may be limited. Implementing effective energy storage systems is critical to ensure a stable and reliable energy supply from solar PV.

Addressing grid integration and energy storage challenges will require significant investments in grid infrastructure, research and development of advanced energy storage technologies, and regulatory changes to facilitate the integration of renewables. These challenges must be overcome to unlock the full potential of solar energy in Thailand.

Policy and Regulatory Uncertainty

Policy and regulatory uncertainty in Thailand's solar PV market is a significant challenge that hampers investment and long-term planning for the industry. Frequent changes in government policies and regulations can create uncertainty for investors and project developers, ultimately hindering the growth of the market.

One example of this uncertainty is the intermittent changes to the feed-in tariff (FiT) program. While FiT programs are designed to incentivize solar energy development, the Thai government has adjusted FiT rates several times in recent years. These adjustments can impact the financial viability of solar projects and create uncertainty for investors, making it difficult to predict the return on investment.

Additionally, complex permitting and approval processes for solar projects can lead to delays and increased costs. Inconsistent regulations across different regions of Thailand further complicate matters, as project developers may face varying requirements and procedures when expanding their solar PV installations.

To overcome this challenge, Thailand needs more stable and predictable policies and regulations that encourage long-term investment in solar energy. Clear and consistent guidelines for permitting, grid interconnection, and FiT programs are essential to attract and retain investors in the solar PV market.

Land Use and Environmental Concerns

The allocation of land for solar PV installations in Thailand poses a multifaceted challenge. The country's rapid urbanization and competing land uses create a strain on available land resources, while environmental concerns must also be addressed.

In many cases, solar PV projects require substantial land, which can lead to conflicts with agricultural or residential land use. Thailand is an agriculturally rich nation, and the conversion of productive farmland into solar farms can create tensions between the need for renewable energy and the demand for food production.

Furthermore, concerns related to the environmental impact of solar PV installations must be addressed. Improperly planned or managed solar projects can lead to habitat disruption, water resource consumption, and soil degradation. Without appropriate regulations and monitoring, the environmental consequences of large-scale solar installations could outweigh their benefits.

To address these challenges, Thailand needs to adopt sustainable land use planning that considers the preservation of agricultural land, wildlife habitats, and ecological systems. Careful site selection and the use of innovative installation techniques, such as floating solar farms on reservoirs, can help minimize environmental impact. Balancing the need for renewable energy with the protection of vital natural resources is a complex but crucial challenge for Thailand's solar PV market.

Key Market Trends

Distributed Solar Energy and Rooftop Installations

A prominent trend in the Thailand Solar Photovoltaic (PV) market is the increasing popularity of distributed solar energy generation, with a specific focus on rooftop solar installations. Distributed solar energy refers to the generation of electricity from solar panels installed on residential, commercial, and industrial rooftops, as opposed to centralized solar farms. This trend is driven by several factors and is expected to continue gaining momentum.

One of the primary drivers behind the growth of distributed solar energy in Thailand is the reduction in the cost of solar PV technology. Over the years, the cost of solar panels and associated equipment has decreased significantly, making rooftop installations more economically viable. This cost reduction has made solar energy a financially attractive option for both residential and commercial consumers.

Another key factor is the Thai government's support for distributed solar energy. The government has implemented policies and incentives to encourage rooftop solar installations, including net metering programs and feed-in tariff schemes. Net metering allows consumers to export excess electricity back to the grid and receive credits on their electricity bills, while feed-in tariffs provide fixed payments for electricity generated by rooftop systems. These policies make investing in rooftop solar not only environmentally friendly but also financially beneficial.

The trend towards distributed solar energy also aligns with Thailand's sustainability goals and its desire to reduce greenhouse gas emissions. By empowering individual consumers and businesses to generate their own clean energy, the country can make significant strides in its renewable energy targets.

As a result of these factors, the Thailand Solar PV market is witnessing a growing number of residential and commercial installations. This trend is expected to continue as technology advancements, favorable policies, and increasing environmental awareness drive the transition toward distributed solar energy generation.

Integration of Smart and IoT Technologies

A significant trend in the Thailand Solar Photovoltaic (PV) market is the increasing integration of smart and Internet of Things (IoT) technologies to enhance the efficiency, management, and monitoring of solar installations. These technologies are transforming the way solar energy is generated, stored, and consumed, providing a range of benefits for both individual consumers and businesses.

One key aspect of this trend is the development of smart solar inverters and monitoring systems. Smart inverters are equipped with advanced features, including real-time monitoring and communication capabilities. These devices allow solar system owners to track the performance of their solar panels, identify issues, and optimize energy production. Moreover, they enable remote monitoring, which is particularly valuable for commercial solar installations that may span multiple locations.

IoT technologies are also playing a role in predictive maintenance for solar systems. By analyzing data from various sensors and IoT devices, solar system operators can anticipate and address potential issues before they lead to system failures. This predictive maintenance not only reduces downtime but also extends the lifespan of solar installations, improving their overall reliability.

Furthermore, the integration of smart meters and energy management systems is facilitating more efficient energy use. Consumers can better manage their electricity consumption, reduce peak demand, and potentially sell excess energy back to the grid. This is especially important in Thailand, where the government encourages energy efficiency and sustainable energy practices.

Thailand's solar PV market is witnessing an increase in the adoption of energy storage systems that are integrated with smart and IoT technologies. These systems allow for optimized energy storage and discharge, increasing the self-consumption of solar-generated electricity and reducing reliance on the grid during peak hours.

In summary, the integration of smart and IoT technologies is a significant trend in the Thailand Solar PV market. These technologies offer enhanced monitoring, management, and efficiency, making solar energy systems more attractive and viable for a wide range of consumers and businesses. As these technologies continue to advance, they are expected to play a crucial role in the future of the solar PV market in Thailand.

Segmental Insights

Grid Type Insights

The On-Grid segment emerged as the dominating segment in 2023. On-grid solar systems are connected to the national electricity grid, allowing excess energy to be fed back into the grid and often featuring net metering arrangements. The on-grid segment of the Thailand Solar PV market has experienced significant growth in recent years. The government's favorable policies and incentives, such as feed-in tariffs and net metering, have contributed to this expansion. Thailand's solar capacity has increased as businesses, industries, and homeowners invest in grid-connected solar systems to reduce their electricity costs and contribute to environmental sustainability.

The on-grid segment has witnessed growing adoption in residential and commercial sectors. Homeowners and businesses have increasingly embraced solar PV systems to reduce electricity costs, lower their carbon footprint, and benefit from net metering arrangements. The adoption of rooftop solar systems, particularly in urban areas, has become more prevalent due to the ease of installation and the availability of financing options.

On-grid solar installations offer economic benefits to consumers. The reduction in electricity bills and the potential to earn revenue through excess electricity exports to the grid provide a compelling financial incentive.

In conclusion, the on-grid segment of the Thailand Solar PV market is experiencing substantial growth, driven by favorable policies, increased adoption by residential and commercial customers, and expanding industrial and utility-scale projects. The continued development of the grid infrastructure and ongoing government support will be crucial in maintaining this growth trajectory and furthering Thailand's transition to renewable energy sources.

Application Insights

The Commercial segment is projected to experience rapid growth during the forecast period. Commercial solar installations encompass a wide range of applications, from small and medium-sized businesses to large industrial complexes. The commercial segment of the Thailand Solar PV market has seen steady growth in recent years. As businesses increasingly seek to reduce operating costs and environmental impact, solar PV installations have become an attractive investment. The market's growth is also influenced by government incentives and policies that encourage businesses to adopt solar energy solutions.

The primary driver for commercial solar adoption is the potential for significant cost savings. Businesses can reduce their electricity bills by generating their own solar power. This results in lower operational expenses and an attractive return on investment. Feed-in tariff programs and net metering allow businesses to sell excess electricity back to the grid and earn additional revenue.

The Thai government's policies and incentives have played a pivotal role in driving commercial solar adoption. Feed-in tariffs, tax benefits, and other financial incentives make solar investments more attractive for businesses. The Alternative Energy Development Plan (AEDP) and the Power Development Plan (PDP) further promote renewable energy use in the commercial sector.

Commercial solar installations can enhance grid independence, particularly in areas with frequent power outages. By incorporating energy storage solutions, businesses can ensure a reliable power supply even during grid disruptions.

In conclusion, the commercial segment of the Thailand Solar PV market is on an upward trajectory, driven by the economic benefits, environmental considerations, government support, and technological advancements. As more businesses recognize the value of solar installations in reducing operational costs and demonstrating environmental responsibility, the commercial sector is poised for continued growth in the adoption of solar energy solutions.

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Regional Insights

Central Thailand is expected to dominate the market during the forecast period. Central Thailand, with its economic significance and favorable geographical location, plays a crucial role in the Thailand Solar Photovoltaic (PV) market. Central Thailand, particularly the Bangkok metropolitan area, is the economic hub of the country. The region hosts a large concentration of businesses, industries, and commercial establishments, all of which have substantial energy demands. The high energy consumption in central Thailand creates a significant opportunity for solar PV adoption as businesses seek to reduce their electricity costs and demonstrate environmental responsibility.

The central region benefits from national government policies that support solar PV adoption. Feed-in tariff (FiT) programs and net metering arrangements are available, providing incentives for residential, commercial, and industrial consumers. The government's commitment to reducing greenhouse gas emissions and promoting renewable energy aligns with the central region's sustainability goals.

Central Thailand, particularly the Bangkok metropolitan area, faces air quality challenges and environmental concerns related to air pollution. Solar PV installations contribute to reduced emissions and air quality improvement. The region's strong environmental awareness presents an opportunity for solar energy to address both energy needs and air quality improvement.

Central Thailand benefits from relatively developed infrastructure and grid connectivity, which facilitates the integration of solar PV installations into the existing energy system. Grid integration challenges may still arise due to the rapid growth of solar PV capacity, necessitating upgrades to the grid infrastructure.

In conclusion, central Thailand, with its economic significance and environmental challenges, plays a crucial role in the Thailand Solar Photovoltaic market. The region presents unique opportunities and challenges, including urbanization, limited space, high energy demand, and air quality concerns. Government support, policy incentives, and increased environmental awareness are driving the growth of the solar PV market in central Thailand, making it a key player in the nation's transition to renewable energy sources.

Recent Developments

  • In 2023, the Electricity Generating Authority of Thailand (EGAT) announced that it will develop a 778 MW solar PV park at the Bhumibol Dam. This will be one of the largest solar PV projects in Thailand.

Key Market Players

  • Energy Absolute Public Company Limited
  • Solairedirect Thailand
  • Superblock Public Company Limited
  • Tata Power Solar Systems Limited
  • Sharp Solar
  • Trina Solar
  • Hanwha Q CELLS
  • Solar Power Company Group (SPCG)
  • Gunkul Engineering Public Company Limited
  • Symbior Solar         

By Product Type

By Grid Type

By Application

By Region

  • Thin film
  • Multi-Si
  • Mono-Si
  • On-Grid
  • Off-Grid
  • Residential
  • Commercial
  • Utility
  • Central Thailand
  • Eastern Thailand
  • Southern Thailand
  • Northern Thailand


Report Scope:

In this report, the Thailand Solar Photovoltaic Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

  • Thailand Solar Photovoltaic Market, By Product Type:

o   Thin film

o   Multi-Si