Thailand Solar Photovoltaic Market

Thailand Solar Photovoltaic Market Segmented By Product Type (Thin film, Multi-Si and Mono-Si), By Grid Type (On-Grid and Off-Grid) and By Application (Residential, Commercial and Utility), By Region, and By Competition, 2019-2029

Published Date: May - 2025 | Publisher: MIR | No of Pages: 320 | Industry: Power | Format: Report available in PDF / Excel Format

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Forecast Period 2025-2029
Market Size (2023) USD 2.63 Billion
Market Size (2029) USD 3.32 Billion
CAGR (2024-2029) 3.81%
Fastest Growing Segment On-Grid
Largest Market Central Thailand

Market Overview

With a 2023 valuation of USD 2.63 billion, the Thailand solar photovoltaic market is expected to grow at a strong rate during the forecast period, with a compound annual growth rate (CAGR) of 3.81% through 2029. The adoption of advantageous laws and financial incentives is the main way that the government shows its support.

Thailand Solar Photovoltaic Market

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For example, feed-in tariff (FiT) programs have been implemented in Thailand, which ensure that solar system owners receive fixed payments for the electricity they produce and feed into the grid. Solar energy is a desirable alternative for both individuals and businesses because of these competitive FiT rates, which also give solar investors a steady stream of income.

Key Market Drivers

Government Support and Incentives

Strong government support and incentives are among the main factors propelling Thailand's solar photovoltaic (PV) market's expansion. To encourage the use of solar photovoltaic systems and lessen the country's reliance on fossil fuels, the Thai government has put in place a number of laws and programs. The expansion of the industry has been significantly impacted by these actions.

The Thai government has first introduced a generous feed-in tariff (FiT) program. Owners of solar PV systems are assured of receiving set payments under this program for the electricity they produce and feed into the grid. In addition to drawing in both individual and corporate investors, this financial incentive guarantees a consistent flow of income for already-existing solar installations. Because of the competitive FiT rates, solar energy is a desirable investment choice.

For solar PV projects, the government has put in place tax breaks and incentives. Reduced corporate income tax, exemptions from import duties for solar equipment, and a value-added tax (VAT) waiver for transactions involving solar energy are all advantageous to investors. These financial incentives increase the financial appeal of solar photovoltaic projects and encourage investment in the industry.

The Alternative Energy Development Plan (AEDP), created by the Thai government, describes the nation's commitment to raising the proportion of solar and other renewable energy sources in the country's energy mix. A clear road map for the growth of the solar PV market is provided by the AEDP, which establishes precise goals for renewable energy capacity. In the upcoming years, it guarantees a steady demand for solar projects.

In conclusion, government incentives and support are crucial in propelling the expansion of Thailand's solar photovoltaic market. For both individuals and businesses, investing in solar energy is a profitable proposition due to the FiT program, tax incentives, and a clear renewable energy roadmap. In addition to lowering greenhouse gas emissions, these policies support sustainable development and energy security in Thailand.

Declining Solar PV Costs

One of the main factors propelling Thailand's solar energy market expansion is the falling prices of solar photovoltaic (PV) systems. The cost of solar PV technology has decreased dramatically over the last ten years, making it more and more accessible to both residential and commercial clients.

There are a number of reasons why solar PV costs have decreased. First, economies of scale have contributed significantly. Manufacturers have been able to increase production in response to the growing demand for solar panels and related equipment worldwide, which has reduced the cost of production per unit. Thailand has profited from this trend with its expanding solar market.

Second, solar panels are now more effective and efficient thanks to technological advancements. Solar PV systems are now a more alluring investment due to their higher energy conversion rates and enhanced durability. As a result, the price per watt of electricity produced has decreased, making solar energy a more affordable choice.

Manufacturers and installers have been forced to become more cost-competitive due to increased competition in the solar market. Customers gain from this competition's promotion of cost-cutting and innovative tactics, which also promotes the broader use of solar energy.

Another important factor is the falling cost of solar project financing. Interest rates and financing costs for solar installations have decreased as a result of investors' and financial institutions' increased comfort with the dependability and profitability of solar energy projects. This facilitates the purchase of solar PV systems by both individuals and companies.

In conclusion, one of the main factors propelling Thailand's solar energy market is the falling cost of solar PV systems. Due to lower costs brought about by economies of scale, technology improvements, heightened competition, and advantageous financing terms, solar energy is now more affordable and accessible for a larger spectrum of consumers, which has contributed to the industry's steady expansion.


Thailand Solar Photovoltaic Market

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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 approach has led to an increase in corporate solar installations and power purchase agreements (PPAs) with renewable energy providers.

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.

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.

Key Market Challenges

Grid Integration and Energy Storage

The successful integration of solar energy into the current power grid and the deployment of energy storage solutions are two of the biggest obstacles facing the Thailand solar photovoltaic (PV) market. Although solar PV systems are becoming more and more popular, the grid may experience reliability problems due to the sporadic nature of solar power generation.

The main purpose of Thailand's power grid was to support centralized power generation from conventional sources like natural gas and coal. Significant investments and upgrades are needed to integrate a significant amount of decentralized solar generation into the grid. The variable output of solar panels can cause grid instability and possible blackouts if appropriate grid infrastructure improvements are not made.

In order to store extra solar power produced during the day for use at night or on overcast days, energy storage solutions are necessary. One problem is the dearth of widely available and reasonably priced energy storage solutions. Lithium-ion batteries can be costly, and they might not be widely available. To guarantee a steady and dependable energy supply from solar PV, it is essential to implement efficient energy storage systems.

Research and development of cutting-edge energy storage technologies, large investments in grid infrastructure, and regulatory changes to support the integration of renewable energy sources will all be necessary to address the challenges of energy storage and grid integration. To fully utilize solar energy in Thailand, these obstacles must be removed.

Policy and Regulatory Uncertainty

Uncertainty in policy and regulations is a major obstacle to investment and long-term industry planning in Thailand's solar PV market. Regular modifications to laws and regulations may cause investors and project developers to become uneasy, which would ultimately impede market expansion.

The sporadic modifications to the feed-in tariff (FiT) program are one illustration of this uncertainty. The Thai government has changed FiT rates multiple times in recent years, despite the fact that FiT programs are intended to encourage the development of solar energy. These modifications may have an effect on solar projects' financial sustainability and raise investor uncertainty, making it challenging to forecast return on investment.

Furthermore, complicated approval and permitting procedures for solar projects may result in higher expenses and delays. Project developers may encounter different requirements and procedures when expanding their solar PV installations due to inconsistent regulations across different regions of Thailand.

Thailand needs more stable and predictable laws and policies that support sustained solar energy investment in order to overcome this obstacle. To draw and keep investors in the solar PV market, clear and uniform rules for permitting, grid integration, and FiT programs are crucial.


Land Use and Environmental Concerns

In Thailand, locating land for solar PV installations presents a number of difficulties. Land resources are under stress due to the nation's fast urbanization and conflicting land uses, and environmental issues also need to be addressed.

Solar PV projects frequently need a large amount of land, which may cause conflicts with residential or agricultural land uses. Thailand is a country with a wealth of agricultural land, and the conversion of productive farmland into solar farms may lead to conflicts between the demand for food production and the need for renewable energy.

It is necessary to address worries about how solar PV installations will affect the environment. Soil degradation, habitat disruption, and water resource consumption can result from poorly designed or managed solar projects. Large-scale solar installations may have more negative environmental effects than positive ones if proper regulations and oversight are not in place.

Thailand must implement sustainable land use planning that takes ecological systems, wildlife habitats, and agricultural land preservation into account in order to meet these challenges. Minimizing environmental impact can be achieved through the use of creative installation methods, such as floating solar farms on reservoirs, and careful site selection. For Thailand's solar PV market, striking a balance between the preservation of essential natural resources and the demand for renewable energy is a difficult but necessary task.

Key Market Trends

Distributed Solar Energy and Rooftop Installations

The growing acceptance of distributed solar energy generation, with an emphasis on rooftop solar installations, is a significant trend in the Thailand solar photovoltaic (PV) market. In contrast to centralized solar farms, distributed solar energy is the production of electricity from solar panels placed on rooftops in homes, businesses, and industries. Numerous factors are driving this trend, which is predicted to keep accelerating.

The decline in the price of solar PV technology is one of the main factors propelling the expansion of distributed solar energy in Thailand. Rooftop installations are now more financially feasible due to the significant decline in the cost of solar panels and related equipment over time. Solar energy is now a financially appealing choice for both residential and commercial customers as a result of this cost reduction.

The Thai government's encouragement of distributed solar energy is another important element. The government has put policies and incentives in place to promote rooftop solar installations, such as feed-in tariff schemes and net metering programs. While feed-in tariffs offer fixed payments for electricity produced by rooftop systems, net metering enables customers to export excess electricity back to the grid and receive credits on their electricity bills. Because of these regulations, rooftop solar energy is now both economically and environmentally advantageous.

Thailand's sustainability objectives and its aim to lower greenhouse gas emissions are also in line with the trend toward distributed solar energy. The nation can significantly advance its renewable energy goals by enabling businesses and individual consumers to produce their own clean energy.

These factors are contributing to the increasing number of residential and commercial installations in the Thailand solar photovoltaic market. As the shift to distributed solar energy generation is fueled by favorable policies, growing environmental consciousness, and technological advancements, this trend is anticipated to continue.

Integration of Smart and IoT Technologies

The growing integration of smart and Internet of Things (IoT) technologies to improve the efficiency, management, and monitoring of solar installations is a noteworthy trend in the Thailand solar photovoltaic (PV) market. These innovations are revolutionizing the production, storage, and use of solar energy and offer a number of advantages to both private citizens and commercial enterprises.

The creation of intelligent solar inverters and monitoring systems is a significant component of this trend. Advanced features like real-time monitoring and communication are included in smart inverters. Owners of solar systems can use these gadgets to monitor the efficiency of their panels, spot problems, and maximize energy output. Additionally, they make remote monitoring possible, which is especially useful for commercial solar installations that might be spread across several locations.

IoT technologies are also contributing to solar system predictive maintenance. Solar system operators can foresee and resolve possible problems before they result in system failures by evaluating data from multiple sensors and Internet of Things devices. Predictive maintenance improves the overall dependability of solar installations by extending their lifespan and decreasing downtime.

More effective energy use is being made possible by the integration of energy management systems and smart meters. Customers can lower peak demand, better control how much electricity they use, and even sell extra energy back to the grid. In Thailand, where the government promotes energy efficiency and sustainable energy practices, this is particularly crucial.

Energy storage systems that are integrated with smart and IoT technologies are becoming more and more popular in Thailand's solar PV market. By enabling optimized energy storage and discharge, these systems boost solar-generated electricity self-consumption and lessen dependency on the grid during peak hours.

In conclusion, a major trend in the Thai solar PV market is the integration of smart and IoT technologies. A wide range of consumers and businesses find solar energy systems more appealing and feasible thanks to these technologies' improved monitoring, management, and efficiency. These technologies are anticipated to be vital to Thailand's solar PV market going forward as they develop further.

Segmental Insights

Application

Over the course of the forecast period, the Commercial segment is anticipated to grow rapidly. Applications for commercial solar installations are diverse and range from large industrial complexes to small and medium-sized enterprises. In recent years, the Thailand solar PV market's commercial segment has grown steadily. Solar PV installations have grown in popularity as companies look for ways to lower operating expenses and their impact on the environment. Government policies and incentives that encourage companies to use solar energy solutions also have an impact on the market's growth.

The potential for large cost savings is the main factor propelling the adoption of solar in commercial settings. By producing their own solar energy, businesses can lower their electricity costs. Lower operating costs and an alluring return on investment are the outcomes of this. Businesses can generate extra income by selling excess electricity back to the grid through feed-in tariff programs and net metering.

Commercial solar adoption has been significantly accelerated by Thai government policies and incentives. Tax breaks, feed-in tariffs, and other financial incentives increase the appeal of solar investments for companies. The use of renewable energy in the commercial sector is further encouraged by the Alternative Energy Development Plan (AEDP) and the Power Development Plan (PDP).

Grid independence can be improved by commercial solar installations, especially in places where power outages occur frequently. Businesses can guarantee a dependable power supply even in the event of grid disruptions by implementing energy storage solutions. T

Regional Insights

Over the course of the forecast period, Central Thailand is anticipated to dominate the market. Due to its advantageous geographic location and economic importance, central Thailand is a key player in the Thailand solar photovoltaic (PV) market. Thailand's economic center is central Thailand, especially the Bangkok metropolitan area. There are many companies, industries, and commercial buildings in the area, all of which have high energy requirements. Businesses looking to lower their electricity costs and show environmental responsibility have a great opportunity to adopt solar PV due to central Thailand's high energy consumption.

Policies from the national government that encourage the use of solar PV are advantageous to the central region. Residential, business, and industrial consumers can benefit from feed-in tariff (FiT) programs and net metering agreements. The central region's sustainability objectives are in line with the government's pledge to lower greenhouse gas emissions and support renewable energy.

There are issues with air pollution and air quality in central Thailand, especially in the Bangkok metropolitan area. Installing solar photovoltaic systems helps to improve air quality and lower emissions. Due to the region's high level of environmental consciousness, solar energy has the potential to improve air quality while also meeting energy needs.

The integration of solar PV installations into the current energy system is made easier by Central Thailand's comparatively advanced infrastructure and grid connectivity. The rapid expansion of solar PV capacity may still present grid integration challenges, requiring grid infrastructure upgrades.

Central Thailand is a key region in the Thailand solar photovoltaic market because of its economic importance and environmental difficulties. The area has special opportunities and problems, such as air quality issues, high energy demand, urbanization, and space constraints. Central Thailand's solar PV market is expanding due to government support, policy incentives, and growing environmental consciousness, positioning it as a major contributor to the country's switch to renewable energy sources.

Thailand Solar Photovoltaic Market

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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. The facility will be one of the largest solar PV projects in Thailand.

Key Market Players

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

Table of Content

  • Executive Summary

    • 1.1 Market Snapshot

    • 1.2 Key Insights and Trends

    • 1.3 Strategic Recommendations

  • Introduction

    • 2.1 Report Objectives and Scope

    • 2.2 Research Methodology

    • 2.3 Definitions and Assumptions

  • Market Overview

    • 3.1 Overview of the Solar PV Industry in Thailand

    • 3.2 Evolution of Renewable Energy Policy

    • 3.3 Solar PV’s Role in Power Development Plan (PDP 2022–2037)

    • 3.4 Industry Value Chain and Ecosystem

  • Market Dynamics

    • 4.1 Market Drivers

      • 4.1.1 Government Support and Incentives

      • 4.1.2 Declining Cost of Solar Technology

      • 4.1.3 Corporate Sustainability Goals and Rooftop PV Growth

    • 4.2 Market Restraints

      • 4.2.1 Land and Grid Access Constraints

      • 4.2.2 Policy Uncertainty and Permit Delays

    • 4.3 Opportunities

      • 4.3.1 Hybrid and Off-Grid Applications in Islands and Remote Areas

      • 4.3.2 Solar + Storage and Smart Inverter Integration

    • 4.4 Challenges

    • 4.5 SWOT and Porter’s Five Forces Analysis

  • Technology Landscape

    • 5.1 Crystalline Silicon Modules (Mono-Si, Multi-Si)

    • 5.2 Thin Film Technologies

    • 5.3 Floating Solar PV (Hydro-Solar Projects)

    • 5.4 Inverters, Mounting Systems, and Tracking Technologies

  • Market Segmentation

    • 6.1 By Installation Type

      • 6.1.1 Ground-Mounted

      • 6.1.2 Rooftop (Residential, Commercial, Industrial)

      • 6.1.3 Floating Solar

    • 6.2 By End-User

      • 6.2.1 Utility

      • 6.2.2 Commercial & Industrial

      • 6.2.3 Residential

      • 6.2.4 Agricultural and Rural Electrification

  • Regional Analysis

    • 7.1 Central Thailand

    • 7.2 Northeastern (Isan)

    • 7.3 Northern Thailand

    • 7.4 Southern Thailand

  • Market Size and Forecast (2020–2030)

    • 8.1 Installed Capacity Growth

    • 8.2 Revenue Forecast by Segment

    • 8.3 Growth Outlook by Technology Type

  • Competitive Landscape

    • 9.1 Market Share of Leading Developers and EPCs

    • 9.2 Profiles of Key Players

      • 9.2.1 BCPG

      • 9.2.2 SPCG

      • 9.2.3 Gunkul Engineering

      • 9.2.4 Global Players Active in Thailand

    • 9.3 Recent Projects, Acquisitions, and Partnerships

  • Policy and Regulatory Environment

    • 10.1 Feed-in Tariff (FiT) Programs and Net Metering

    • 10.2 Licensing and Approval Process

    • 10.3 PDP and AEDP Policy Frameworks

  • Sustainability and Innovation Trends

    • 11.1 ESG and Green Energy Certifications

    • 11.2 Bifacial and High-Efficiency Modules

    • 11.3 R&D and Digital Monitoring Platforms

  • Conclusion and Strategic Outlook

  • Appendices

    • 13.1 Glossary

    • 13.2 Research Methodology

    • 13.3 Sources and References

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