General Construction

Service Overview

Building with Purpose. Delivering with Integrity.

PWH (Thailand) offers complete general construction services for a wide range of sectors including energy, industrial, and infrastructure.

As a trusted EPC contractor, we manage every phase — from civil and structural work to MEP systems and finishing — with safety, quality, and timeline as our top priorities.

Our proven expertise ensures that every project, whether a utility building or an industrial facility, is delivered to spec, on time, and ready for long-term performance. With in-house capabilities and international standards at our core, we build with confidence — so you can operate with certainty.

Project Showcase

Explore our general construction portfolio —
from industrial buildings and support structures
to site infrastructure and utility facilities.

FAQ

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What services does PWH (Thailand) Co., Ltd. offer?

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

What industries does PWH Thailand serve?

We primarily serve the energy, power generation, and infrastructure sectors, including coal-fired power plants, utility companies, industrial facilities, and renewable energy developers.

Does PWH Thailand have experience with international partnerships?

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.

Are your services turnkey?

Yes. We provide comprehensive turnkey EPC solutions — from concept design and engineering to procurement,construction, testing, and commissioning — ensuring end-to-end project delivery

Do you provide renewable energy solutions?

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.

What voltage levels does PWH Thailand handle in transmission projects?

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.

Is PWH Thailand involved in general construction projects?

Yes, we also undertake general civil and industrial construction projects, providing structural, mechanical, and electrical works to support a variety of infrastructure developments.

What regions does PWH Thailand operate in?

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.

How does PWH Thailand ensure quality and safety?

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.

What sets PWH apart from other EPC contractors?

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.

How can I contact PWH Thailand for a project inquiry or proposal?

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.

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.

Coal and ash handling...

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Substation

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General Construction

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Renewable Energy Solutions

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Transmission Line

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Looking to partner on your next  energy or infrastructure project?

Let our experts provide you with a tailored EPC solution that meets your goals.