The Thai government is actively promoting rooftop solar adoption through tax incentives. Here’s what you need to know for 2025.
Tax Deduction Up to THB 200,000
Factory owners who install rooftop solar systems can claim an income tax deduction of up to THB 200,000 under the Electricity Development Plan (PDP2024).
Who Qualifies?
- Juristic persons (registered companies)
- Rooftop solar on factory buildings, warehouses, or commercial properties
- Must comply with Thai engineering standards
- System must be grid-connected or self-consumption
How to Claim
- Install with a certified installer
- Keep all invoices and payment records
- Claim in annual corporate income tax filing
- Provide documentation to the Revenue Department
Additional Benefits
BOI Promotion
Some solar projects may qualify for Board of Investment incentives including corporate income tax exemptions.
Accelerated Depreciation
Solar equipment may be eligible for accelerated depreciation schedules.
Green Credit
Some Thai banks offer preferential loan rates for solar projects.
