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Radar · Energy in Bangkok

Best Energy Companies in Bangkok, Thailand

The 52 best Energy companies in Bangkok, Thailand in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Annex Power.

52companies tracked
$36.4Mdisclosed funding
0unicorns
3have raised
FLIAR INTELLIGENCE · ENERGY × BANGKOK

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.

441companies analysed
76%cloud-native stacks
2025funding peak (by rounds)
8unicorns
2013median founding year
143kcombined LinkedIn audience
64%of audience held by top 3
4companies hiring publicly (12 mo)

Ranked: Best Energy companies in Bangkok

#CompanyRevenueDisclosed fundingEmployeesFoundedFounderTech stackRecent signals
1IRPC
Crude oil processing and petrochemicals manufacturing industries
$9.2B
FY2023
—5,3251978—WordPressMySQLPHP+204 job openings
2sahamitr pressure container
Sahamitr Pressure Container Public Company Limited (SMPC) manufactures LPG cylinders for the domestic and…
$116M
FY2023
—4581981Surasak Urpsirisuk
CEO & MD
WordPressTypeScriptPHP+27—
3Sea Oil
Provider of oil trading, catering, and exploration services
$97M
FY2022
——2010Neeracha Panboonhom
President & CEO
——
4BBGI
Holding company investing in and managing biofuel production and distribution.
$82M
FY2023
——2017Kittiphong Limsuwannarot
CEO
EChartsBootstrapVuetify+21—
5Siam Power
Provider of waste management solutions converting landfill waste into fuel for energy production
$55M
FY2023
——2013Thawee Chongkavinit
CEO
——
6EGCO Engineering and Service Company
Provider of engineering, construction, and plant operation maintenance services
$51M
FY2023
——1995Sathit Thanomkul
Managing Director
PHPBootstrapNginx+7—
7Nippon Sanso
Manufacturer & sales of industrial gases and equipment
$48M
FY2023
——1977Nobutoshi Hayashi
Owner
——
8Thai Storage Battery
Developer of batteries
$43M
FY2022
——1986Toshinori Osumi
CEO
——
9CK Power
Provider of renewable energy through hydroelectric, solar, and cogeneration power plants
$39M
FY2023
—542011—Windows ServerMicrosoft ASP.NETIIS+11 award
10B Grimm Power
Developer and operator of co-generation and renewable energy power plants
$31M
FY2023
—7001878Preeyanart Soontornwata
CEO & President
——
11Sermsang
Producer and distributor of solar energy
$30M
FY2023
—242010—WordPressMySQLPHP+21—
12Ligman Lighting
Manufacturer of outdoor and indoor LED lighting solutions
$26M
FY2023
——1995—WordPressApple iCloud MailMicrosoft 365+39—
13Impress Ethanol
Bioethanol producer from cassava root
$24M
FY2019
—22007Thanika Chintanapunt
Founder & CEO
——
14Cristalla
Provider of biomass production services
$23M
FY2023
——2008Charoen Siriwatthanaphakdi
Chairman & CEO
WordPressMySQLPHP+22—
15IBCLNG
LNG distributor focusing on making clean energy
$22M
FY2023
——2017Mario Nawfal
Founder & CEO
——
16Solartron
Manufactures solar cells and solar modules
$13M
FY2024
——1986—Chart.jsBootstraptoastr+9—
17Fuel Pipeline Transportation
Pipeline based fuel transmission service provider
$12M
FY2022
—111991Charoen Charusalaipong
CEO & MD
——
18Annex Power
EPC company in solar, wind and biomass segment
$9M
FY2014
$30M—2008Daniel Gaefke
Founder
——
19Inter Far East Wind International
Developer of wind power projects
$3M
FY2022
——2009Sumet Sutthapakti
CEO
——
20JERA Power
Provider of power plant engineering, operation, and maintenance services
$3M
FY2022
——2003Tomonori Ishiguro
CEO & MD
——
21Thai Biogas Energy Company
Producer and distributor of biogas from palm oil and tapioca
$1M
FY2022
$2M—2003Gustaf Godenhielm
ex-CEO
——
22Global Technology Company
Turnkey solutions provider
$307K
FY2022
——2013Shunmuga Sundaram
Owner & Chief Executive
——
23Paralec
Company that designs and manufactures electrical products
$228K
FY2023
——2018Matthieu Zinck
Managing Director
DreamWeaverUbuntuBootstrap+7—
24Gussing Renewable Energy Asia
Developer of renewable biomass energy plants
$24K
FY2020
——2017Michael Messner
CEO
——
25Gree Energy
Develops and installs third party biogas plants
—$4M202013—WordPressMySQLPHP+18—
26TIGER brand battery
Offers energy storage batteries
—$446K—1928———

Top 8 Energy companies in Bangkok

#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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 8k LinkedIn followers — 5.7% of this cohort's audience
Funding rounds
  • Dec 2022Seed$3.2M
  • May 2022Seed$250K
  • May 2021Seed$720K
Investors
Impact Investment Exchange, Earthcare Group, Water Unite
Tech stack
CookieyesCore-JsElementorFlywheelFont AwesomeGoogle Analytics
#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.

Funding rounds
  • Sep 2013PE$30M
Founders & team
Daniel GaefkeFounder
Investors
Armstrong, Asia Cleantech Capital
#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.

Funding rounds
  • 2012Venture Debt$1.8M
Founders & team
Gustaf Godenhielmex-CEO
Investors
BIO Invest
#4
Deadpooled · Bangkok, Bangkok · founded 1928
$446Kraised
▾

Offers energy storage batteries

Investors
IFU
#5
Acquired · Bangkok, Bangkok · founded 1995 · 69 employees
—raised
▾

Provider of solar financing services

LinkedIn Pulse recent public activity · Jul 2026
Audience: 7k LinkedIn followers — 5.0% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: Design Engineer - Solar Projects
Activity: 3 partnerships (incl. Thailand Prime Minister Anutin Charnvirakul) announced in 12 mo
Founders & team
Franck ConstantCEO and founder
Investors
Olympus Capital Asia, Global Climate Partnership Fund, TMB Bank, HSBC
Tech stack
CloudflareCloudflare Bot ManagementCookieyesCore-JsElementorFacebook Pixel
#6
Public · Bangkok, Bangkok · founded 1977 · 1448 employees
—raised
▾

Fuel distribution company

Investors
Sinopec
#7
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.

Founders & team
Preeyanart SoontornwataCEO & President
Investors
Asian Development Bank
#8
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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 6k LinkedIn followers — 4.1% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: professionals
Investors
Siam Commercial Bank
Tech stack
AosApolloBootstrapCaddyCdnjsCloudflare

Funding & investor landscape

$36.4Mtotal disclosed funding
4companies funded
5disclosed rounds
0rounds last 90 days
Most active investors
Armstrong1 rounds
Asia Cleantech Capital1 rounds
Asian Development Bank1 rounds
BIO Invest1 rounds
Earthcare Group1 rounds
FE Global Clean Energy1 rounds
Global Climate Partnership Fund1 rounds
HSBC1 rounds
IFU1 rounds
Impact Investment Exchange1 rounds

Notable founders

Daniel Gaefke
Founder · Annex Power
Gustaf Godenhielm
ex-CEO · Thai Biogas Energy Company
Franck Constant
CEO and founder · ConstantEnergy
Preeyanart Soontornwata
CEO & President · B Grimm Power
Prism market signals · Thailand · country-scoped Prism corpus, 386,419 docs

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

RESEARCH FROM Bangkok · institutions

What Bangkok researches in energy storage

Bangkok's King Mongkut's University of Technology North Bangkok and peers dominantly advance electric vehicles, microgrids, and batteries with an optimistic, breakthrough-oriented stance concentrated post-2020.

17 papersstance +0.5612% breakthrough6% concern
breakthrough · advancement · concern
local research themes
Electric and Hybrid Vehicle TechnologiesMicrogrid Control and OptimizationAdvanced Battery Technologies ResearchFuel Cells and Related MaterialsElectric Vehicles and InfrastructureSupercapacitor Materials and Fabrication
top institutions
  • King Mongkut\'s University of Technology North Bangkok15
  • Bangkok University1
  • Southeast Bangkok College1

Common questions

How many Energy companies are there in Bangkok, Thailand?
Radar tracks 52 indexable Energy companies headquartered in Bangkok, Thailand that meet our profile-completeness bar.
What is the total funding raised by Energy companies in Bangkok, Thailand?
The Energy companies in Bangkok, Thailand on this list have raised a combined $36.4M in disclosed equity funding across 4 funded companies.
Which is the highest-funded Energy company in Bangkok, Thailand?
Annex Power is the highest-funded Energy company in Bangkok, Thailand, with $30M in disclosed equity funding.
How many Energy companies in Bangkok, Thailand are funded?
4 of the 52 Energy companies in Bangkok, Thailand on this list have disclosed at least one equity funding round.
How many Energy unicorns are there in Bangkok, Thailand?
None of the Energy companies in Bangkok, Thailand on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Bangkok, Thailand Energy companies?
The most active investors in Bangkok, Thailand Energy companies on this list include Armstrong, Asia Cleantech Capital, Asian Development Bank, BIO Invest, Earthcare Group.
Riya SenguptaFinancials

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.

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