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23 Sep 2025

Industry

Summary of tax deduction benefits for household solar panel installation (Current Issue No.3604 Full ed.)

คะแนนเฉลี่ย
  • The tax deduction measure for solar rooftop installation allows a maximum deduction of THB 200,000 per year until the end of 2027. The middle-income group (earning THB 120,000-180,000/month) benefits the most, saving approximately THB 50,000 in tax per year. However, low-income earners do not qualify, while those with high incomes often use larger systems that are not covered by the measure. 
  • Installing solar panels can reduce electricity bills by an average of 50 percent per month, allowing for a faster payback period of 3-4 years if utilizing tax deductions and benefiting from lower installation costs due to market trends. After that, there will be continuous profit for more than 20 years before the panels must be replaced. 
  • Although the measure has stimulated the domestic market to some extent, it is still insufficient to offset the pressure from US import tariffs of 300-900 percent, which affects the competitiveness of Thai exporters in the overall solar cell industry.

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Industry