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EV Power Energy
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EV Power Energy
Yes. Thailand's Anti-Fake News Center checked with the Revenue Department, Ministry of Finance, and confirmed it is true, citing the Royal Decree issued under the Revenue Code on tax exemption (No. 805) B.E. 2569, dated 2 March 2026
Individuals can deduct the actual cost of buying and installing a solar power system from income tax, up to a total of 200,000 baht. For example, pay 150,000 baht and deduct 150,000 baht; pay 300,000 baht and deduct up to 200,000 baht
You can claim until 31 December 2028, once per tax year, for 1 system
A full electronic tax invoice (e-Tax Invoice) from the installer, and the system must be connected to the Metropolitan or Provincial Electricity Authority grid
No. The conditions require the system to be connected to the MEA or PEA grid (On-Grid), and anyone receiving duplicate benefits from other measures such as the BOI or the EEC cannot claim this one
Spending on energy conservation machinery, equipment or materials can be expensed at 1.5× the actual cost (an extra 50% of the expense exempt). For example, invest 1,000,000 baht in an installation and expense a total of 1,500,000 baht. Claimable until 31 December 2028
Tax benefits · Updated 19 September 2026
Royal Decree No. 805 (2026) lets individuals deduct the actual cost of solar power equipment and installation, up to a total of 200,000 baht, while companies can expense energy conservation equipment at 1.5× — claimable until 31 December 2028
Updated
Verified — this is real
Thailand's Anti-Fake News Center confirms this is true
The Anti-Fake News Center checked with the Revenue Department, Ministry of Finance, and stated that the news "installing solar in your home lets you deduct up to 200,000 baht in tax" is true, citing the Royal Decree issued under the Revenue Code on tax exemption (No. 805) B.E. 2569, dated 2 March 2026
Source: Anti-Fake News Center Thailand · Revenue Department
Your benefit
This set of measures covers both homeowners and businesses, but works differently: individuals deduct actual costs from income up to a cap, while companies expense more than they actually paid
Group 1
Deduct the actual cost of buying and installing a solar power system on your residential roof from personal income tax, up to a total of 200,000 baht
Enter your expected installation cost to see how much you can deduct and roughly how much tax you'll save
Your top personal income tax rate
Select the rate for your net income bracket — estimate only
This is an estimate based on the legal cap only. Your actual tax savings depend on net income, other deductions and your personal/business tax rate. Please follow the Revenue Department's announcements
Register for a free consultation!How to claim
Install a grid-connected solar power system on your residential roof
The system must be fully connected to the Metropolitan or Provincial Electricity Authority grid
Conditions
Fiscal impact
The Cabinet approved this draft Royal Decree on 26 November 2025, with the fiscal impact assessed in advance. The figures below come from a Thai PBS Policy Watch report
Sources
Every figure and condition on this page is cited from the three sources below. If the Revenue Department issues further announcements or clarifications, follow those
Request a full electronic tax invoice from your installer covering both equipment and installation
Deduct the actual equipment and installation costs from personal income tax, up to a total of 200,000 baht
These figures are cited from a Spacebar article as a market reference, not an EV Power Energy quotation — real prices depend on system size, equipment and site
Spacebar11 March 2026
Government backs rooftop solar with a 200,000-baht tax deduction, payback in 5–7 years