Our Business
Engineering the future of energy — from coal systems to solar farms, we deliver
trusted EPC solutions that power progress across Thailand and beyond.
Business Overview
What We Do
At PWH (Thailand) Co., Ltd., we provide end-to-end engineering, procurement, and construction (EPC) services for the power and infrastructure sectors. With decades of experience and strong international partnerships, we deliver complex projects with precision — from coal and ash handling systems to high-voltage transmission lines, substations, and renewable energy developments.
Our capabilities span the full project lifecycle — from concept design and procurement to fabrication, construction, commissioning, and ongoing maintenance — ensuring reliable, efficient, and future-ready infrastructure across Thailand and the region.
Our Business
Comprehensive Solutions Across the Energy
and Infrastructure Spectrum
From high-voltage substations to general construction and solar energy systems, PWH Thailand delivers reliable, forward-looking solutions that support Thailand’s evolving energy and infrastructure needs.
Efficient and reliable systems for handling coal and ash in power plants, ensuring safe, environmentally compliant, and cost-effective operations.
Design, construction, and commissioning of substations that support stable and secure power distribution across the grid.
Comprehensive construction services for industrial and infrastructure projects, delivering quality and precision on time and within budget.
Innovative solar power solutions, including large-scale solar farms and rooftop installations, driving the transition to clean, renewable energy.
End-to-end engineering and construction of transmission lines, enabling efficient and reliable electricity transfer over long distances.
Project References
Proven Excellence Through Real-World Results
Explore our portfolio of successful projects across power systems, substations, renewable energy, and infrastructure — each one a testament to our commitment to quality, innovation, and client satisfaction.
FAQ
We provide full-scope EPC (Engineering, Procurement, and Construction) services across the power and infrastructure sectors, including:
- Coal and ash handling systems using belt conveyor technology
- High-voltage transmission lines (115 / 230 / 500 kV)
- Substations and switchyards
- General construction
- Renewable energy solutions (solar farms, rooftops, floating systems, and hybrid solar setups)
- Operation,maintenance, and system upgrades
We primarily serve the energy, power generation, and infrastructure sectors, including coal-fired power plants, utility companies, industrial facilities, and renewable energy developers.
Yes. Since our founding as a subsidiary of Germany’s PHB-Weserhütte A.G., we have worked with global partners including Kumagai Gumi (Japan), Hawker Noyes and PWH (Sydney) from Australia. These collaborations strengthen our capabilitiesin delivering international-standard projects.
Yes. We provide comprehensive turnkey EPC solutions — from concept design and engineering to procurement,construction, testing, and commissioning — ensuring end-to-end project delivery
Yes. We offer EPC services for solar energy projects including ground-mounted solar farms, rooftop solar systems, floatingsolar installations, and hybrid solar power setups. Our solutions are tailored for both utility-scale and small-scale applications.
We have extensive experience in the design and construction of 115 kV, 230 kV, and 500 kV power transmission lines, as well as associated substations and switchyards.
Yes, we also undertake general civil and industrial construction projects, providing structural, mechanical, and electrical works to support a variety of infrastructure developments.
While based in Thailand, we operate throughout the region and are open to cross-border projects. Our international experience and partnerships allow us to adapt to various project environments.
We follow strict international and local engineering standards, employ experienced project teams, and apply rigorous quality control and safety protocols throughout all project phases—from design to commissioning.
Our strength lies in over three decades of specialized experience, a commitment to quality, and strong global partnerships.We combine engineering expertise with project reliability, sustainability focus, and a deep understanding of the energy sector.
You can reach us via our Contact page, phone, or email. Our team is ready to discuss your project needs and provide a tailored solution backed by decades of expertise.
Sustainability
At PWH Thailand, sustainability is at the core of our operations — from advancing clean energy solutions to building environmentally responsible infrastructure. Discover how we’re shaping a more sustainable tomorrow.
Looking to partner on your next energy or infrastructure project?
Let our experts provide you with a tailored EPC solution that meets your goals.