Best Energy Companies in Thailand
The 127 best Energy companies in Thailand in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Annex Power.
$36 million in disclosed funding across 127 Energy companies in Thailand tells you exactly where this market sits: early, fragmented, and moving. Annex Power accounts for $30M of that total on its own, which means the remaining 126 tracked companies are splitting roughly $6M between them. Gree Energy sits at $4M, Thai Biogas Energy Company at $2M, and the field drops fast from there. No unicorns yet. But the investor roster, Armstrong, Asia Cleantech Capital, the Asian Development Bank, BIO Invest, DBS Bank, reads like a patient infrastructure play rather than a speculative one, and patient capital tends to compound quietly.
So what's actually moving the needle here? Solar PV, EV battery technology, and energy management systems are the themes getting coverage, and energy source decisions are sharpening at the business level as costs become a competitive factor. Median install growth across energy apps is running at roughly 28% year-on-year, which I'd flag as a leading indicator for where enterprise demand is heading. Green energy is increasingly attracting AI and data investment, adding a demand layer that Thailand's distributed energy players are positioned to capture if funding depth catches up with the opportunity.
- International grid edge study reveals countries needs and readiness f
Our analysis of 441 Energy companies
$135.1b in tracked funding; 76% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Thailand
| # | Company | Disclosed funding | Revenue | Employees | Founder | Tech stack | Web popularity | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | BLCP Power Plant Provider of power generation solutions and asset management for real estate investments | — | $492M FY2022 | — | Yuthana Charoenwong Managing Director | RubyVimeoYouTube+17 | Top 5M | — |
| 2 | AI Energy Manufacturer of biodiesel, refined glycerin, and edible oils from palm oil | — | $237M FY2023 | — | Pimwan Thareratanavibool CEO & MD | PleskTinyMCEPHP+18 | Top 50M | — |
| 3 | Energy Absolute Independent solar and wind power developer | — | $234M FY2022 | 191 | — | ZohoBootstrapVuetify+18 | Top 5M | — |
| 4 | Banpu NEXT Provider of energy and clean energy services | — | $150M FY2022 | — | Somruedee Chaimongkol CEO | WordPressMySQLSalesforce+33 | Top 10M | — |
| 5 | CAZ Construction company offering engineering, procurement, and construction services | — | $91M FY2023 | — | Chung Hong CEO | WordPressMySQLPHP+14 | Top 5M | — |
| 6 | BBGI Holding company investing in and managing biofuel production and distribution. | — | $82M FY2023 | — | Kittiphong Limsuwannarot CEO | EChartsBootstrapVuetify+21 | Top 5M | — |
| 7 | ekarat engineering Ekarat Engineering offers commercial solar modules and installs solar plants and solar rooftop. | — | $66M FY2023 | 843 | — | WordPressMySQLPHP+15 | Top 5M | — |
| 8 | CR3 Provider of industrial maintenance, plant upgrade, revamp, and engineering services | — | $62M FY2023 | 4,500 | — | WordPressApple iCloud MailMicrosoft 365+14 | Top 5M | — |
| 9 | CUEL Limited Company is a contractor specializing in the fabrication of modules for offshore oil and gas facilities… | — | $60M FY2024 | — | — | PHPGoogle MapsBootstrap+6 | Top 10M | — |
| 10 | EGCO Engineering and Service Company Provider of engineering, construction, and plant operation maintenance services | — | $51M FY2023 | — | Sathit Thanomkul Managing Director | PHPBootstrapNginx+7 | Top 50M | — |
| 11 | Asia Biomass Company providing clean and renewable biomass energy solutions | — | $45M FY2023 | 194 | Tiyada Kuansataporn Managing Director | WordPressTypeScriptPHP+39 | Top 10M | — |
| 12 | CK Power Provider of renewable energy through hydroelectric, solar, and cogeneration power plants | — | $39M FY2023 | 54 | — | Windows ServerMicrosoft ASP.NETIIS+1 | Top 5M | 1 award |
| 13 | B Grimm Power Developer and operator of co-generation and renewable energy power plants | — | $31M FY2023 | 700 | Preeyanart Soontornwata CEO & President | — | — | — |
| 14 | Ensys Developer of transmission line project, power plant solutions, and other services | — | $29M FY2023 | — | Chumpol Patanukom Owner | PleskPHPWindows Server+10 | Top 10M | — |
| 15 | Cristalla Provider of biomass production services | — | $23M FY2023 | — | Charoen Siriwatthanaphakdi Chairman & CEO | WordPressMySQLPHP+22 | Top 5M | — |
| 16 | Fuel Pipeline Transportation Pipeline based fuel transmission service provider | — | $12M FY2022 | 11 | Charoen Charusalaipong CEO & MD | — | — | — |
| 17 | BIB Provider of biomass to energy services | — | $10M FY2023 | — | Isan Ratanamalaya CEO | — | — | — |
| 18 | Annex Power EPC company in solar, wind and biomass segment | $30M | $9M FY2014 | — | Daniel Gaefke Founder | — | — | — |
| 19 | Eagle Intertrans Provider of transporting LPG services | — | $6M FY2022 | — | Panusak Wongphimonporn Managing Director | — | — | — |
| 20 | Thai Biogas Energy Company Producer and distributor of biogas from palm oil and tapioca | $2M | $1M FY2022 | — | Gustaf Godenhielm ex-CEO | — | — | — |
| 21 | Global Technology Company Turnkey solutions provider | — | $307K FY2022 | — | Shunmuga Sundaram Owner & Chief Executive | — | — | — |
| 22 | Eternal Energy Agricultural products to ethanol production company | — | $95K FY2022 | 792 | — | — | — | — |
| 23 | Clean Energy Asia Renewable energy project developer | — | $967 FY2022 | — | Manfred Lafer Founder & Managing Director | — | — | — |
| 24 | Gree Energy Develops and installs third party biogas plants | $4M | — | 20 | — | WordPressMySQLPHP+18 | Top 50M | — |
| 25 | TIGER brand battery Offers energy storage batteries | $446K | — | — | — | — | — | — |
Top 10 Energy companies in Thailand
#1
Seed · Bangkok, Bangkok · founded 2013 · 20 employees$4.2Mraised▾
Gree Energy develops, installs, finances and operates industrial biogas-to-energy facilities in Southeast Asia. It turns agribusiness and food-industry waste - solid or liquid into energy. It works with industries such as tapioca starch, palm oil, brewery, ethanol production, animal farming or fruit processing. It procures machinery and technology from third party providers.
- Dec 2022Seed$3.2M
- May 2022Seed$250K
- May 2021Seed$720K
#2
Deadpooled · Bangkok, Bangkok · founded 2008$30Mraised▾
Annex Power is an EPC service provider for solar photovoltaic (PV), wind and biogas power projects and has an operational presence in Thailand, Philippines and Indonesia. Annex is a portfolio company of Asia Cleantech recently backed by Armstrong Asset Management. The company provides solar modules, solar on-grid kits and off-grid kits, wind hybrid kits, wind turbines and generators, solar charge controllers, inverters, solar mounting structures, solar thermal systems and heat pumps, photovoltaic modules, batteries and other such products.
- Sep 2013PE$30M
#3
Funding Raised · Bangkok, Bangkok · founded 2003$1.8Mraised▾
Thai Biogas Energy Company develops, owns and operates biogas plants. Owns and operates around six tapioca based biogas manufacturing plants and three other palm oil-based biogas manufacturing units across Thailand. Also, claims to offer services to methane production units which are further processed to produce natural gas. Projects have been awarded "Best Off-grid Biogas Projects" in Thailand Energy Awards, 2014.
- 2012Venture Debt$1.8M
#4
Deadpooled · Bangkok, Bangkok · founded 1928$446Kraised▾
Offers energy storage batteries
#5
Acquired · Bangkok, Bangkok · founded 1995 · 69 employees—raised▾
Provider of solar financing services
#6
Public · Bangkok, Bangkok · founded 1977 · 1448 employees—raised▾
Fuel distribution company
#7
Funding Raised · Pathum Wan, Bangkok · founded 1983 · 376 employees—raised▾
Subsea and offshore drilling services provider
#8
Public · Bangkok, Bangkok · founded 1878 · 700 employees—raised▾
Developer and operator of co-generation and renewable energy power plants. This company focuses on cleaner energy production, investing in and managing power plants to provide electricity. They prioritize sustainable practices and aim to contribute to infrastructure development and energy security. The company's operations encompass the entire lifecycle of power plant development, from initial planning and construction to ongoing maintenance and operation. A key aspect of their business model is establishing strong partnerships to facilitate growth and expansion.
#9
Public · Bangkok, Bangkok · founded 1982—raised▾
Gunkul is a large independent power producer with focus on renewable energy. The company has developed multiple projects in ground-mounted solar and rooftop mounted as well as wind power projects. Apart from renewable energy generation and project development, they are also working on developing distribution systems for electricity.
#10
Public · Chatuchak, Bangkok · founded 1978 · 59515 employees—raised▾
In 2022, the company recorded annual revenues of $96B and a net profit of $2.61B
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in Thailand
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 474 Thailand-affiliated papers.
- Ministry of Education193
- Chulalongkorn University57
- Ministry of Energy23
- Synchrotron Light Research Institute20
- Khon Kaen University20
- Electrochemistry1→41
- Battery (electricity)1→32
- Electrode1→19
- Graphene1→9
- Battery (electricity)1→45
- Supercapacitor2→31
- Electrolyte1→21
- Electrochemistry1→21
- Cathode1→18
- Nanotechnology1→4
Where energy storage is researched across Thailand
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.