You are here

Government subsidy programme halted

Submitted by Baerbel Epp on January 28, 2011

Thailand’s solar water heater subsidy programme in the commercial segment, which started in 2008, was halted in 2015 and 2016, although it was announced to continue until 2021 (see latest news). The programme administrators from the Department of Alternative Energy Development and Efficiency (DEDE) argue with the low oil price and will decide about a restart of the programme mid 2016. The following table showst the programme's regulation from 2014.



Name of programme

Government subsidy programme for 2014

Type of incentive

Initial investment subsidy

Eligible technologies

Flat plate and vacuum collectors

Applicable sectors

Commercial customers


Maximum of 2,800 Thai Baht (THB)/m2 depending on 4 main components:

  1. Solar collector: 1,596 THB/m2 with solar yield above 500 kWh/mper year
  2. Storage tank: 504 THB/m2 for stainless steel tank
  3. Hot water piping: 170-280 THB/m2 for copper stainless PPR-PN25
  4. Hot water pump, control system, data recording system, etc: 420 THB/m2

Note: Collector area calculated based on aperture area (flat plate) or gross area (vacuum tube)


Hybrid system (solar collector and waste heat from air conditioner, boiler, etc)

Requirements for installation

20 m2 minimum per project
Payback within 5 years
New projects
No defined maximum size per project

Finance provider

Department of Alternative Energy Development and Efficiency (DEDE), Thailand
Program is limited to 15,000 m2 in 2015

Total funds

THB 42 million in 2015

Funding source


Effective date

January 2015 was the official start of phase VI of the programme, which has been running since  15 august 2015

Expiration date

The programme is extended on an annual basis and suppose to run until 2021


Last review of this tabloid

June 2015


Mr Virach Maneekhao 
Phone: +66/2 223 0021 ext. 1481 
Fax: +66/2 221 7841


Effective Date: 
January 1, 2013