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Thailand has successfully migrated from fossil energy to renewable energy at a rate of 13%. With such a large number, the Thai government has become more ambitious in educating the public about the importance of renewable energy. The Thai government has been educating the public about green energy in line with its mission to increase the use of green energy from 13% to 30% by 2037.
In this article, we will discuss the top 10 inverter manufacturers in Thailand and explore what inverter brands are most loved by Thai people today.
Top 10 Inverter Manufacturers in Thailand 2025
| Ranking | Manufacturers |
|---|---|
| 1 | Energy Reform Solar |
| 2 | Deye |
| 3 | DASS Tech |
| 4 | JOEYOUNG |
| 5 | Kontron Solar |
| 6 | AplhaESS |
| 7 | ThinkPower New Energy |
| 8 | Vestwoods |
| 9 | Foshan Top One Power Technology |
| 10 | Anern Industry Group |
Energy Reform Solar
| Established | 2005 |
|---|---|
| Official Website | https://energyreform-solar.com/ |
| Headquarters | Bangkok, Thailand |
Energy Reform Solar is a leading Thai manufacturer that has been in the renewable energy industry since 2005. It has its main office located in Bangkok, Thailand, and is currently expanding to compete in the global market. Energy Reform Solar specializes in the production of solar panels, solar lighting, and inverters.
Energy Reform Solar’s inverters are known to have a high efficiency level, reaching more than 98%. In addition, inverters from Energy Reform Solar have been coated with IP51 and IP21 protection degrees which make inverters able to survive in environments with very low water and dust levels. On the other hand, the inverter has also been integrated with a remote monitoring system through applications on smartphones and the web on PCs.
Deye
| Established | 2007 |
|---|---|
| Official Website | www.deyeinverter.com |
| Headquarters | NingBo, China |
Ningbo Deye Inverter Technology Co., Ltd. commonly known as Deye is a renewable energy manufacturer from China. Deye is one of the big brand name manufacturers in Thailand and its products are much sought after by the local community. Deye itself was established and has been operating since 2007 and currently, its main office is located in Ningbo, China. Deye itself specializes in the production of solar inverters and other solar accessories.
Deye’s inverter products are known for their reliability and have an efficiency rate of more than 97%. The protection system of the Deye inverter is also known to be very extraordinary, where the inverter has been coated by 15 protection features. The many protection features given to the Deye inverter can ensure that the inverter will be in a stable condition and prevent various electrical problems that could arise.
DASS Tech
| Established | 2006 |
|---|---|
| Official Website | www.dasstech.com/en/ |
| Headquarters | Choengju-si, Chungbuk, South Korea |
DASS Tech is a renewable energy manufacturer from South Korea that has now become one of the well-known brands in Thailand. DASS Tech also has a branch office in Thailand located in Klongtoey-nua, Wattana, Bangkok, Thailand. This manufacturer has been established and operating to produce renewable energy devices since 2006, while its headquarters and R&D plant are located in Choengju-si, Chungbuk, South Korea. DASS Tech itself specializes in the production of various solar devices, chargers, and batteries.
In the field of solar itself, DASS Tech produces a variety of products such as PV modules, solar power plant construction, and solar inverters. Where the solar inverter is known for its good reliability, which has an efficiency level of more than 97%. The inverter is also equipped with 8 protection features that protect the inverter from various electrical problems. In addition, the inverter also meets the criteria for outdoor installation as it is IP65 certified to be water and dust-resistant.
JOEYOUNG
| Established | 2007 |
|---|---|
| Official Website | www.solarinvertermanufacturers.com |
| Headquarters | Guangzhou, China |
JOEYOUNG is one of the renewable energy manufacturers that is currently expanding into the Asian market, especially Southeast Asia. JOEYOUNG is also one of the most sought-after brand-name manufacturers in Thailand. JOEYOUNG is basically a Chinese manufacturer and has its main office located in Guangzhou, China. JOEYOUNG has been operating in the renewable energy industry since 2007, so it has more than 17 years of experience producing various renewable energy devices.
JOEYOUNG is well known as a manufacturer that produces a wide range of solar inverters, from grid-tied inverters to off-grid inverters, microinverters, AC-DC inverters, and hybrid inverters. Each inverter produced by JOEYOUNG is known to have efficiency levels ranging from 90% to a maximum efficiency of over 97%. JOEYOUNG inverters are also known for their good safety system, which is coated with 8 protection features and has IP65 and IP67 certifications that can make the inverter survive in various weather conditions.
Kontron Solar
| Established | 1976 |
|---|---|
| Official Website | www.kontron-solar.com |
| Headquarters | Memmingen, Germany |
Kontron Solar previously known under the brand name Steca/ KATEK is one of the leading manufacturers in Thailand. It is basically a German company with its main office located in Memmingen, Germany. The beginning of this manufacturer was in 1976 with the initial name of Steca Elektronik GmbH, but currently, it has changed to Kontron Solar GmbH because it has been taken over by Kontron AG in 2024. Kontron Solar currently specializes in producing devices such as inverters and energy storage systems for PV systems.
Kontron Solar’s inverter products are known for their reliability. Its inverters have an efficiency level of more than 97% and can be installed indoors or outdoors because they have a protection degree of IP65. In addition, the inverter capacity offered by Kontron Solar also varies, so it can be used for various applications ranging from small to large systems.
AplhaESS
| Established | 2012 |
|---|---|
| Official Website | https://www.alphaess.com/ |
| Headquarters | Nantong, China |
AlphaESS is one of the best-known renewable energy manufacturers in Thailand. It originated from China and has its main office in Nantong, China. Since its inception in 2012, AlphaESS has distributed its renewable energy device products to more than 100 countries around the world. AlphaESS itself specializes in providing clean and smart green energy devices for residential, commercial, industrial, balcony, and portable power stations.
One of the devices produced by AlphaESS for residential applications is an inverter. Inverters from AlphaESS are known to have an efficiency level of more than 97% and have been integrated with a monitoring system via Wi-Fi/ Ethernet. The installation of the AlpaESS inverter can be done outdoors or indoors because the inverter has IP65 and IP21 certifications. In addition, because the AlphaESS inverter has a fairly large design, the installation is a permanent installation and cannot be carried portably.
ThinkPower New Energy
| Established | 2011 |
|---|---|
| Official Website | www.thinkpower.com.cn |
| Headquarters | China |
ThinkPower New Energy was first established in 2011 and currently specializes in R&D and manufacturing of various renewable energy devices. ThinkPower itself is a China-based manufacturer and to date has distributed its various products to more than 60 countries in the world, including distributing its products to Thailand massively. The products they offer focus on solar monitoring and also solar inverters.
The inverter products produced by ThinkPower itself are known to have an efficiency level of more than 97%. In addition, the inverter has also been coated with 6 protection features that can prevent the inverter from experiencing simple electrical problems.
Vestwoods
| Established | 2016 |
|---|---|
| Official Website | www.vestwoods.com |
| Headquarters | Hangzhou, China |
Vestwoods is a renewable energy manufacturer based in China and is one of the leading brands in Thailand. Vestwoods itself has distributed its products to more than 30 countries in the world, including Thailand. Vestwoods itself was first established in 2016 as a Li-ion battery supplier in Hangzhou, but now they have developed as a manufacturer of UPS and ESS providers. Vestwoods itself has its main office in Hangzhou, China, and currently has 6 branch offices across the world.
One of Vestwoods’ ESS products is an inverter, where the inverter is known to have an efficiency rate of 95%. In addition, inverters from Vestwoods are also known to have up to 11 protection features depending on the type of inverter, which can protect the inverter from various electrical problems. Meanwhile, the warranty period for inverter products provided by the manufacturer lasts for 5 years from the date of purchase.
Foshan Top One Power Technology
| Established | 2003 |
|---|---|
| Official Website | www.oneinverter.com |
| Headquarters | Foshan City, Guangdong, China |
Foshan Top One Power Technology is a manufacturer specializing in the production of inverters and controllers. It has been operating in the renewable energy industry for over 16 years and is better known by its brand name “One Inverter”. Foshan Top One Power Technology was first established in 2003 and currently has its main office located in Foshan City, Guangdong, China. Currently, it has explored several major markets in the world, such as the Europe market, North America market, South America market, Middle East market, and Africa market.
Inverter products from Foshan Top One Power Technology itself have various types, including low-frequency inverters, pure sine wave inverters, power inverters, solar pump inverters, hybrid inverters, and also high-frequency inverters. The average inverter produced by this manufacturer has an efficiency level of 93% and is equipped with 8 protection features. In addition, its inverter products also support system expansion of 6pcs in parallel.
Anern Industry Group
| Established | 2009 |
|---|---|
| Official Website | www.anern.com |
| Headquarters | Guangzhou, China |
Anern Industry Group is a Guangzhou, China-based manufacturer of renewable energy devices. It has been operating for approximately 16 years in the renewable energy space since 2009. Currently, Anern Industry Group specializes in the production of solar panels, solar inverters, lithium batteries, solar street lighting, storage systems, and solar accessories. Anern Industry Group has also distributed its products to more than 200 countries around the world, including Thailand.
Anern Industry Group’s renowned inverter products are known to have good system reliability. In addition, the inverters have also been designed to have a smart monitoring system that can be connected to Android and IOS smartphones with Wi-Fi and remote monitoring integrated with mobile applications.
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