Ekarat Engineering

What Ekarat Engineering does

Ekarat Engineering Public Company Limited (SET: AKR) is a Thai manufacturer established in 1981 that specializes in two related product lines: electrical transformers and integrated solar energy systems. Its transformer portfolio spans 400 kVA to 8,000 kVA units and includes oil-immersed distribution transformers, Dry Type Cast Resin transformers (for high-security indoor installation in high-rise buildings and hotels), Special K-Factor (K20) transformers engineered for variable-frequency drives in the sugar/cane industry, and Compact Unit Substations for underground power distribution. The solar business encompasses proprietary solar panel manufacturing plus end-to-end solar rooftop and ground-mounted (solar farm) installation, with 3D design visualization, cost calculation, and investment planning services. Solar EPC work is supported by an Industrial Internet of Things (IIoT) monitoring system. All products are produced at the company's Chachoengsao (Bang Pakong) factory under an Energy Efficiency Label 5 framework.

Name

Ekarat Engineering

Legal name

บริษัท เอกรัฐวิศวกรรม จำกัด (มหาชน) | Ekarat Engineering Public Company Limited

Website

https://ekarat.co.th

Company type

Public

Founded year

1981

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Ekarat Engineering (SET: AKR) is a Thai manufacturer of electrical transformers (400 kVA to 8,000 kVA) and integrated solar rooftop and solar farm systems, serving industrial plants, factories, commercial buildings, hotels, and agricultural cooperatives, with a nationwide Thai service network and exports to 30+ countries.

Ownership category

akta.pro rank

Product category

Electrical Transformers and Solar Power Systems

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311), Electrical Equipment Manufacturing (3353)

SIC

Power, Distribution & Specialty Transformers (3612), Electrical Industrial Apparatus (3620), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Transformers (Power, Distribution, Instrument, Specialty) (IMAGAAAA)

akta.pro secondary industries

Power Transformers, Reactors & Auxiliary Power Systems (EUADACAJ), Distribution Substations & Switching Stations (MV) EPC (EUAEACAC), Power Plant Electrical Systems EPC (Switchyard, Transformers, Protection & Controls) (EUAEAAAM)

Keywords

• Electrical transformer manufacturing
• Solar rooftop installation
• Solar farm systems
• Power distribution equipment
• Industrial solar solutions

Headquarters

HQ city

Suan Luang

HQ country

Thailand

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. Electrical Transformer Manufacturing and Sales: Production and sale of electrical transformers including oil-immersed transformers, dry type cast resin transformers, power transformers, and distribution transformers. Full KVA production with international standard quality.
2. Solar Panel and System Sales: Manufacturing of solar panels and provision of solar power system installation services including solar rooftop and solar ground-mounted (solar farm) systems, from consulting through legal documentation, design, and installation.
3. After-Sales Service: Comprehensive after-sales service covering all regions of Thailand 24 hours with more than 70 service personnel and over 100 backup power transformers for rapid deployment support.
4. Design and Consulting Services: Building roof design consultation, solar panel layout planning, cost calculation, investment planning, and 3D design presentation for solar rooftop systems.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels6 records

Core offering

Ekarat Engineering Public Company Limited (AKR) manufactures electrical transformers, including oil-immersed transformers, dry type cast resin transformers, compact unit substations, and special K-factor transformers. The company also designs, supplies, and installs solar photovoltaic systems, including solar rooftop systems on factory and commercial building roofs and ground-mounted solar farms, and provides nationwide after-sales service and maintenance support.

Product overview

Ekarat Engineering Public Company Limited (AKR) is a Thai manufacturer specializing in two core product lines: electrical transformers and solar energy systems. The transformer portfolio includes standard Ekarat Transformers, Dry Type Cast Resin transformers (for indoor/safety-critical applications), Compact Unit Substations, and Special K-Factor Transformers. The solar business encompasses Solar Cell panels, Solar Rooftop systems with 3D design visualization, and Solar Farm ground-mounted installations. Beyond manufacturing, AKR provides comprehensive after-sales service with nationwide 24-hour support coverage. The company emphasizes quality manufacturing according to international standards, energy efficiency (Energy Efficiency Label 5), and environmentally friendly production processes aligned with circular economy principles.

Differentiator

Problem solved

Functional benefit

Brands

• Ekarat Transformer: Electrical transformers produced from quality raw materials by skilled personnel according to international standards
• Dry Type Cast Resin
• Solar Cell

Products and services

• Ekarat Transformer Standard electrical transformers produced from quality raw materials by skilled personnel according to international standards. Designed to reduce production costs, save electricity, and reduce environmental impacts. Full KVA production in every machine. Sold to industrial plants, factories, and commercial building operators.
• Dry Type Cast Resin Transformer Air-cooled dry type cast resin transformer with high security features, best suited for indoor installation in high-rise buildings, hotels, and locations requiring safety from explosion. Passed standard certification.
• Compact Unit Substation Underground power distribution system developed to provide stable, aesthetically integrated, and safe electricity distribution with attention to heat dissipation during use. Suitable for all regions and climates.
• Special K-Factor Transformer (K20) Special transformers designed for the sugar and cane industry with Variable Frequency Drives (VFD) for large special motors, rated K20 for handling harmonic-rich loads.
• Solar Cell / Solar Panels Manufactured solar panels providing complete solar energy solutions including installation of solar power systems on the ground (Solar Farm) and power generation on building rooftops (Solar Rooftop), from consulting through design and legal documentation.
• Solar Rooftop System Building-integrated solar power generation system with 3D design visualization, professional engineering installation that does not damage building roofs, cost calculation, and investment planning services for industrial and commercial building owners.
• Solar Farm Ground-mounted solar power plant systems for generating and selling electricity to Metropolitan Electricity Authority, including solar farm learning center areas open for visiting.
• After-Sales Service and Maintenance Comprehensive after-sales service with service centers covering all regions of Thailand, providing 24-hour service with more than 70 personnel and over 100 backup power transformers to support customers.

Quantifiable outcome

• 2,500,000 baht donated to Bhumibol Adulyadej Kidney Institute Hospital for medical equipment
• +4 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Ajethai Company Limited (AJE)coreStrategic or Co-development Partner · 1 March 2026AKR, represented by Dr. Asadayuth Mitsiri (Senior Manager, Solar Division), signed a Power Purchase Agreement (PPA) for a 2.67 MW solar rooftop power generation system with Ajethai Company Limited (AJE), represented by Mr. Juan Jose Lopez Vergara (Country Manager). This collaboration reflects a clear business direction toward practical clean energy adoption, enhancing energy stability, reducing long-term costs, and minimizing environmental impact.
• Siam Technology College (SiamTech)minorOthers · 1 January 2026Siam Technology College students and faculty visited the Bang Pakong Factory for a factory visit focused on transformer manufacturing process, providing hands-on experience and industry insights. AKR provides annual visit opportunities for educational institutions at all levels.
• Energy Conservation Network (Energy Beyond Standards 2025)minorStrategic or Co-development Partner · 1 January 2025AKR joined the Energy Beyond Standards 2025 initiative, a multi-institutional collaboration promoting energy conservation policies, net-zero GHG emissions, and carbon neutrality. Represented by Mr. Thammanoon Nanakhonpanom, Manager of Government Sales, Domestic Sales Department.
• Electricity Generating Authority of Thailand (EGAT)coreTechnology or Integration · 1 January 2024EKARAT electrical transformers joined the Energy Efficiency Label 5 project of EGAT. This partnership enables Ekarat to participate in Thailand's national energy conservation program, promoting high-efficiency electrical appliances and reducing greenhouse gas emissions throughout the product lifecycle.
• Bang Bua Thong Agricultural Cooperative LimitedcoreStrategic or Co-development Partner · 1 January 2017Bang Bua Thong Agricultural Cooperative Limited partnered with Ekarat Engineering in the construction of a ground-mounted solar power plant to produce and sell electricity to the Metropolitan Electricity Authority in 2017. The solar farm is currently operating as a learning center area open for visiting both the office and the solar farm. Dr. Wiwat Sangthian, Director of AKR, serves as chairman for the cooperative's Annual General Meeting.

Scale indicators6 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• Mitsubishi Electric: Japanese manufacturer of power systems equipment including transformers, switchgear, and solar solutions for global markets. Comparable in transformer manufacturing with a broader electrical equipment portfolio.
• Siemens Energy: Global energy technology company producing power and distribution transformers, grid technologies, and renewable energy solutions. Direct overlap with Ekarat's transformer and solar EPC businesses at materially larger scale.
• ABB: Global electrical equipment giant with extensive transformer, switchgear, and solar inverter offerings serving utility and industrial customers worldwide. Comparable as a broad incumbent competing with Ekarat across transformers and electrical equipment categories.
• Hitachi Energy: Global leader in power transformers, substations, and grid integration solutions. Direct comparable in the power and distribution transformer segment serving utility and industrial customers worldwide.
• Schneider Electric: Global specialist in energy management and automation with transformer, switchgear, and solar/storage product lines serving industrial and commercial electrification projects. Comparable as a broad incumbent competing for the same industrial customer base.
• Eaton: US-based power management company with electrical components, transformers, and solar inverters for industrial and utility customers. Comparable in industrial transformer and power quality segments where Ekarat operates.

Others

• Daihen Corporation: Japanese manufacturer of power transformers, power supply equipment, and welding systems with Asia-Pacific focus. Comparable as an electrical equipment and transformer peer in adjacent Asian markets with overlapping industrial customer base.

Direct peers

• TBEA: China-based leading transformer manufacturer producing power, distribution, and specialty transformers with global export reach. Closely comparable in product category, scale of operations, and international export focus.
• Hyundai Electric & Energy Systems: Korean manufacturer of power and distribution transformers with strong presence across Asia-Pacific and the Middle East. Comparable as a regional transformer specialist serving industrial and utility customers similar to Ekarat's core segments.

Regional players

• Fuji Electric: Japanese manufacturer of power electronics, transformers, and energy management systems primarily serving Asia-Pacific markets. Comparable as a regional transformer and power equipment manufacturer.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/EkaratEngineering
• LinkedInlinkedin.com/company/ekarat-engineering-pcl-akr-r-

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Ekarat Engineering