Renewable Energy

From renewable energy systems to new cleantech innovations, Harder serves our clients as they work to reduce their environmental impact.

Delivering Complex Renewable Energy Solutions

We specialize in converting renewable energies into power. These complex conversion systems demand the same safety and quality as traditional power plants. Whether you’re converting biomass, harnessing the power of wind or water, or capturing sunlight, Harder has the right experience to plan and execute your project.

The Dalles Lock and Dam

Renewables have always been part of Harder's history. Completed in 1957, The Dalles Lock and Dam is one of the 10 largest hydropower dams in the United States.

Advancing Innovation in Cleantech

Renewable energies represent the fastest-growing segments of the energy sector. As the industry develops new methods of energy production, Harder applies its expertise to aid in the innovation.

We understand the complexities of power generation, both traditional and renewable. We translate our long-term focus on power generation into the constructability insight you need.

Advancing Innovation in Cleantech

Renewable Energy Services

Harder Mechanical offers a wide range of comprehensive services to meet the needs of our clients. Our Renewable Energy clients count on us to deliver a high-quality installation of their innovative new energy systems.

Concrete Installation

A rock-solid foundation for your project—any size, any place. Expert prep and pour for performance you can count on.


End-to-end mechanical installations, delivering the systems you need and the above-and-beyond service you deserve.

Design Services

In-house design-assist services lower costs, boost constructability, and reduce overall schedules for success from the very start.

Equipment Installation

Decades of experience with the most demanding equipment challenges means we get the job done—and we mean the whole job.


Specializing in complete single-source piping solutions that achieve optimal results. You name it, we build it.


Sophisticated, not complicated, for peak performance at any scale. Proven processes keep your projects on track.

Process Piping

Powering innovation and infrastructure for every industry. Specialized systems you can rely on for the long haul.

Service Department

Our dedicated service team will work with you to create a customized maintenance plan that satisfies the needs of your facility.

Sheet Metal

Harder's sheet metal division provides complete HVAC and industrial duct fabrication and installation for all major industries.

Skids & Modularization

Prefabrication reduces downtime and labor costs while minimizing the impact on your operations, no matter where you’re located.

Structural Steel

Strong, safe, secure—infrastructure that holds to the highest standards. Discover workmanship backed by 80 years of experience.

Tank Installation & Modification

Smooth, disruption-free service for every phase of your project. Our expertise guarantees safety and success.

Virtual Design & Construction

State-of-the-art tech for designs that deliver. We combine leading-edge tools with decades of experience to envision and execute with excellence.

Map of Harder locations

Where We Are

From our headquarters in Oregon to our newest offices in Texas, our teams are ready to deliver the highest quality in mechanical construction services wherever they’re needed.

Let Us Join You

Our Renewable Energy experts are ready to partner with you on your next project.